Recommendation for difficult test suite

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Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Recommendation for difficult test suite

Post by Dann Corbit »

peter wrote: Wed May 07, 2025 2:43 pm Thanks, Dann!
BTW, in the 256 pasted here
viewtopic.php?p=978556#p978556
, nr. 137 is missing a second one solution 1.(28.) Bg7, which was the original one, when it was used as Eret nr. 84. In your .epd now it's nr.109, and in the commented version both moves are mentioned. 1.(28.) Bg7 and Bg5 are both about as equally as for their WDL- chances to be evaluated and so both should be given in syntax of bm and counted as correct solutions as well.
The position originally derives from the corr. game Persson- Teichmeister 2009, regards
For: 4r1k1/1r1np3/1pqp1ppB/p7/2b1P1PQ/2P2P2/P3B2R/3R2K1 w - -
I have:
Bg5=695 @d=68
Bg7=267 @d=48
And nothing else worth mentioning.

My notes are in here:
4r1k1/1r1np3/1pqp1ppB/p7/2b1P1PQ/2P2P2/P3B2R/3R2K1 w - - acd 68; bm Bg5; ce 695; c0 "http://talkchess.com/forum3/viewtopic.p ... 79#p827379"; c1 "Hard-Talkchess-2020.080"; c3 "Bg7"; c4 "Persson, Conny; pm=Bg7; 1-0;"; c5 "2018.12.11; ERET 084; Annotater C,P;"; pm Bg5; pv Bg5;

Looks like I was missing the date 2009
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
peter
Posts: 3393
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Recommendation for difficult test suite

Post by peter »

Dann Corbit wrote: Thu May 08, 2025 4:30 am For: 4r1k1/1r1np3/1pqp1ppB/p7/2b1P1PQ/2P2P2/P3B2R/3R2K1 w - -
I have:
Bg5=695 @d=68
Bg7=267 @d=48
After some Forward- Backward of the lines after the two moves, SF dev with 16x3.5GHz and 32G hash has > 3 pawns advantage for White in depth 46 for both of them, the position is rather time to depth- consuming, about 20 minutes for Bg5 and even about 30' with Bg7.

Without MEA- like rewarding points, I'd give both in bm- syntax for automatically adjudicated suites, with MEA I'd split the points between the two moves in relation of about 70 and 50 percent of maximum, that I'd give for the most difficult positions in suite, so e.g with 7 points for Bg5 and 5 for Bg7, if maximum of points for a single best move was 10.

Here's the game, the position is derived from, it's reached before move nr.28:

Peter.
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Recommendation for difficult test suite

Post by Dann Corbit »

I like to use this test set to check engine solving power.
It is not the harest possible, since every position can be solved without backward and forward on my machine (just analyzing the root) with some engine after a reasonable amount of time. And there are some easy problems so that it won't just crush all the engines.
I give it one minute per problem. Three of Eduard's engines solve 110 out of 120 and the bleeding edge Crystal from source control gets 109/120.

Code: Select all

1B2b2k/7q/4n2p/3Np1PQ/8/1p6/5N1P/1K1B4 w - - bm g6; id "TTT2.014";
1B4n1/p2Pp2q/4Pp2/bP3Pp1/6Pp/7k/4B3/7K w - - bm b6; id "ACT1-B.157";
1K5k/1p4pP/1p3bP1/1Pp5/2P1P3/8/2P1P1P1/8 w - - bm Ka7; id "ACT4.053";
1K6/RP3pk1/4p3/2rbP1P1/8/8/P7/8 b - - bm Rc2; id "TTT2.031";
1R6/p4p2/2k1pP2/2nr4/2p2P1P/1p4P1/1Pq5/1R2Q1K1 b - - bm Nd7; id "TTT2.086";
1b2b1BN/2r1pp1n/2qpR2p/r1Np1Rnk/p5p1/Q5Kp/8/4B3 w - - bm Qf3; id "ACT3.089";
1b2r1r1/5p1k/3pb1pB/2pnP1Q1/q2P1N2/p1P5/1p3PP1/1R2R1K1 w - - bm Re4; id "TTT1.050";
1b3K2/1p6/P1P2pp1/kN2n3/8/P7/P7/8 w - - bm a7; id "ACT1-B.056";
1b6/r2p1k2/8/1R1b3R/8/1n1K4/8/1nB5 w - - bm Bb2; id "ACT1-B.057";
1k1r1b1r/ppnqp1pp/b3Rp2/4n3/2Pp1B2/N5PB/PP3P1P/3QNRK1 w - - bm Nd3 Nf3; id "TTT1.014";
1k2b3/4p1rP/1P1pK3/1Pp2P2/Rp2P3/p2P4/2P5/b7 w - - bm Ra8+; id "ACT1-B.012";
1k5b/p2K3P/P6p/p4pp1/1p6/4B3/2P5/8 w - - bm Bc1; id "ACT3.084";
1k5r/pbq2p2/4pP2/p1P3P1/5P1r/2p1Q3/P3B1P1/3R1RK1 w - - bm Rb1; id "TTT1.026";
1k6/1P2bp2/PpP1p2P/N2p4/2p5/1p4KP/2b1BpPn/5R2 w - - bm h7; id "ACT3.067";
1kb5/R7/1Pp4p/2N1pp2/2P2np1/2K5/P4r1P/3B4 b - - bm e4; id "ACT4.011";
1q1r4/pp1b1k1p/4pppP/Q2n4/1B1P4/1P3PP1/4R1K1/2R5 w - - bm Qxd5; id "TTT2.061";
1qQ4r/p2Kpk2/5p2/1B2PPp1/6Pp/7P/P7/8 w - - bm Qxh8; id "ACT3.033";
1qrr1b2/6p1/ppkn1P2/3pP3/1PP5/2BP1pP1/BQ3P2/1RRN1n1K b - - bm Be7; id "TTT1.011";
1r3rk1/1pp2p2/1b1pbq2/p3n3/P2NP1pP/1BP1N3/1PQ2PP1/3R1RK1 b - - bm Bxd4; id "TTT2.071";
1r4k1/3N2p1/8/P1q1p3/4P3/2p2RPP/4n1K1/Q7 b - - bm Qd4; id "TTT1.047";
1r4kb/4pr2/Qppp2q1/6p1/2PP1p2/P1N5/1P1RbPB1/R3B1K1 b - - bm Bh5; id "TTT2.060";
1r5k/5P1r/2pR2pp/7P/3P4/8/1B3K2/8 w - - bm Rd8+; id "ACT1-B.021";
1r5k/6pp/p2P2Q1/p3p3/b6q/3B2P1/3P1R2/6K1 w - - bm Qf5; id "ACT5.054";
1r6/1b6/1P2k3/4Np2/2R2PpP/2K1p1P1/8/8 w - - bm Rc7; id "TTT2.008";
1r6/4rnpk/1p6/p1p1Pp1q/3p1P1P/1P1Q1RR1/P3N1P1/6K1 w - - bm Rg5; id "TTT2.024";
1rb2rk1/2q3pp/p2ppbP1/n1nB4/1p1NP2P/2N1B3/PPP1Q3/2KR2R1 w - - bm Nf5; id "TTT1.036";
1rk1br1q/1pbp1n2/5p2/4P3/PpQR1PPN/4R1p1/1PK4n/6B1 w - - bm Rc3; id "ACT2.045";
1rrb1n2/1q5k/p3pPbN/3pP1Q1/1pnP2P1/8/4RPB1/1R5K w - - bm f4; id "TTT1.012";
2B4n/p4p1P/n1p2Pp1/p1P3P1/P1q1NN2/4K3/P2P4/5k2 w - - bm Bxa6; id "ACT4.087";
2B4n/p4p1P/r1p2Pp1/p1P3P1/P1q1NN2/4K3/3P4/5k2 w - - bm Bxa6; id "ACT5.010";
2K3b1/8/pPP1p1P1/2p1k2N/2P1pN1P/6PP/n1pQ2p1/1q3r2 w - - bm Kc7; id "ACT3.048";
2K5/4NB2/3k1B2/ppp2p2/2p1p1pp/6rr/2N5/8 w - - bm Ng6; id "ACT2.093";
2K5/p1p4k/p1p5/2p3p1/6Pb/6p1/p5P1/B7 w - - bm Kd7 Kd8; id "ACT4.094";
2N3q1/pp1N4/5K2/7k/7P/3Q4/1P6/r7 w - - bm Ne7; id "ACT5.100";
2N3qk/1p6/1p4pr/6N1/8/pR2Q3/2pp2K1/4b3 w - - bm Ne7; id "ACT2.070";
2R3bk/K3p1rp/6pb/4B1p1/6P1/8/8/8 w - - bm Ra8; id "ACT2.069";
2b2B1r/3p4/pbpp4/5nR1/kp2p3/N2P1p1p/PPP3Nn/K7 w - - bm b3+; id "ACT3.054";
2bR4/N3n1Pq/p2n1rB1/1PR2p2/KP1k4/3Ppr2/2Ppp3/4B3 w - - bm Bh4; id "ACT1-B.180";
2k5/1p2K3/1B6/8/8/P7/1N2b3/8 w - - bm Ba7; id "ACT5.075";
2k5/K1P1p3/1p1PpP2/2P5/4P3/8/pP6/8 w - - bm d7+; id "ACT1-B.150";
2k5/Q1np1N2/2p2Bpp/1p1P4/pPP1p2P/P5q1/8/1K6 w - - bm Qxc7+; id "ACT4.035";
2k5/p2p4/1P6/P3p3/1q2N3/2p5/8/2K4Q w - - bm Nd6+; id "ACT3.015";
2n1n1r1/1qp2R1B/bp4N1/1p1rP3/1p1b2p1/6R1/P2p1p2/3K1k1N w - - bm Nh4; id "ACT3.079";
2n3R1/5p2/P7/5P1k/4BK1p/2q3Pp/7P/8 w - - bm Rh8+; id "ACT1-B.067";
2n5/6pB/6p1/2N2k1b/2NBprpK/P3ppP1/rP1P4/5n2 w - - bm Bxg7; id "ACT2.053";
2nB1k2/6pp/3p2p1/n2K4/3Qp1N1/1Np4R/rb1p4/1Rq3r1 w - - bm Ke6; id "ACT2.074";
2nk4/6p1/2P5/1P6/p5K1/7p/1P5B/8 w - - bm Kf3; id "ACT5.096";
2q1k1b1/7p/4p1r1/Pp1pP2Q/1P1P2PB/2P5/1KP5/8 w - - bm Qxg6+; id "ACT4.066";
2r2rk1/1q3p2/3p2p1/2nPpPPp/ppR1P2P/5QN1/PP4K1/5R2 w - - bm Rxc5; id "TTT1.091";
2r3k1/b5pp/3n4/p2Pp3/P3P2q/2NP1P1P/3Q1pK1/1R3R2 b - - bm h5; id "TTT1.018";
2r5/3Np2q/r5Rp/3p1p2/2pNkB1b/p3P3/K3B2p/8 w - - bm Nf3; id "ACT1-B.162";
2r5/pb2kp2/6r1/8/3p2pP/1P4P1/P1B2P2/2Q3K1 b - - bm Bf3; id "ACT4.065";
2rq1rk1/5p2/4pP1B/4P3/1pp3Pp/p2P4/4Q1P1/5R1K w - - bm Rf5; id "TTT1.037";
3B4/2p1PpP1/2P3pN/R2P3k/p3q3/8/P5pK/8 w - - bm e8=Q e8=R; id "ACT2.041";
3K1R2/8/8/4B2p/8/6pp/6kp/7b w - - bm Bb8; id "ACT2.023";
3R1nk1/6pr/3K1b1p/7P/4P1P1/p6B/P7/8 w - - bm g5; id "ACT4.004";
3bn3/p6b/2R5/R1pN4/2p4p/6kP/ppn3P1/6BK w - - bm Raa6; id "ACT1-B.176";
3k4/8/2p5/4P2P/2pp4/b7/P1B1K3/8 w - - bm Kf3 Bb1; id "ACT5.062";
3k4/8/p4ppp/Pp1p4/1Pp2PPP/P1P5/8/3K4 w - - bm a4; id "ACT4.007";
3q2k1/1pr3pp/5P2/6pP/2p1B2r/4QP1P/R5bP/6K1 w - - bm Bd5+; id "ACT2.049";
3r1k2/pp4pp/5p2/3P1R2/5P2/1PP4P/5P2/1K6 b - - bm Rd6 b6; id "ACT4.024";
3r1rk1/1bqn1pp1/1p1bp3/p1n1N1PQ/2PB4/1PN5/3R1P1P/3R2K1 w - - bm Rd3; id "TTT1.033";
4B3/1pk1p3/q3p3/1nP1Pp2/PPQ2P2/PK2P3/4b3/8 w - - bm Qxb5; id "ACT3.021";
4K3/1B1p4/pn1Npb2/k3p3/P1pn4/P7/7B/3N4 w - - bm Bc6; id "ACT3.029";
4N3/pp3np1/6Rn/4p1pr/1P1p4/1K3p1p/1b3R2/1k6 w - - bm Rf1+; id "ACT1-B.160";
4R3/4P1Pp/2p1p3/7p/2p1B1rk/6p1/7p/5K2 w - - bm Bh1; id "ACT4.010";
4k2q/p4p1B/1pp3pP/2N2pP1/2P2P1N/8/PP2P3/2K5 w - - bm Nxg6; id "ACT5.011";
4k3/2p4p/8/p2n1p2/5P1P/4BP2/1PN1K1nP/8 b - - bm Ngxe3 Ndxe3; id "ACT3.055";
4k3/5pBr/4b1pP/3pP1P1/2Pp4/P7/1PP5/1K6 w - - bm cxd5; id "TTT1.078";
4n1k1/8/1b1P3P/1qB3Np/6PK/7Q/p2p1p2/8 w - - bm h7+; id "ACT5.049";
4n3/8/8/8/4pNp1/8/1p2K1pk/B2Q3b w - - bm Nh3; id "ACT3.005";
4r3/1ppk2p1/3pr2p/5B2/p3RP2/2P5/P2P2PP/7K w - - bm c4; id "TTT2.090";
4rkr1/1b2np2/q4Bp1/6P1/2Q5/pP6/K1P3B1/2R5 w - - bm Bxb7; id "ACT4.001";
5B2/2Q1p3/6R1/1Pr5/2n5/8/4P1bp/3K2kq w - - bm Qf4; id "ACT5.038";
5B2/8/Q2pq2p/2p3p1/5p1k/2P1nP1P/P5PK/8 b - - bm h5; id "ACT2.066";
5K1k/rp6/8/3Pppp1/4p1p1/3p4/5p2/1Q1n4 w - - bm Qb6; id "ACT3.017";
5K2/1Pk5/1pP4n/8/2Np3b/4pB2/8/8 w - - bm Ne5; id "ACT1-B.044";
5K2/kp3P1p/2p5/2Pp4/3P4/r7/p7/6R1 w - - bm Ke7 Ke8; id "TTT2.010";
5KR1/QB4pk/P2p3B/1p5p/3b4/5nPp/q2pp3/7n w - - bm Rh8+; id "ACT1-B.084";
5Kbk/4B1pp/3N1R2/p3P2n/3P2p1/2P2p2/1P1pP1r1/1B4n1 w - - bm Rh6; id "ACT2.047";
5N1r/5n1n/ppp3R1/5K2/7k/6p1/6PN/8 w - - bm Rg4+; id "ACT3.049";
5N2/rp6/pB1p1N2/pb2k1K1/3p2p1/1R2pp2/4B1n1/6bn w - - bm Rc3; id "ACT3.011";
5b2/8/q3n3/4k3/7R/1p4R1/bP2P2B/K7 w - - bm Ra4; id "ACT2.021";
5bb1/8/P1p1P3/BN2p1p1/1p4P1/pK1P1p2/P2R4/4r2k w - - bm Nd4; id "ACT3.010";
5brk/2p1p1p1/4P1p1/3K2P1/2p5/8/2P5/1B6 w - - bm c3; id "ACT3.022";
5k1q/1rp2P2/1p3p2/1P1N4/5K2/1P3PQ1/8/8 w - - bm Qg8+; id "ACT4.062";
5k1r/7p/2p3P1/2p5/1p4PK/p6R/7P/4B3 w - - bm Kg5; id "ACT3.047";
5k2/3b4/8/5PQ1/1KPP1PpP/PP5p/2R5/3q4 b - - bm Qe1+; id "ACT2.024";
5k2/p7/3p4/1p1B1p1p/1P3P2/P1rP3P/6P1/n1BK4 w - - bm Bb2; id "TTT2.040";
5kbQ/pp4p1/n3p2p/3p2r1/7N/2PPP2P/PP3PP1/4n2K b - - bm Rxg2 Nxg2; id "ACT5.029";
5qk1/pp4p1/4ppp1/2Q3P1/7P/P1P5/1P4P1/6K1 w - - bm Qxf8+; id "TTT2.073";
5r1k/p2b1pR1/3p3B/2p1pP2/4P2q/8/PPP5/1K3Q1n w - - bm Qg1; id "TTT1.052";
5r2/NBk4P/8/8/1P2K3/pp6/1p6/1N6 w - - bm Bd5; id "ACT5.095";
5rqk/4R2p/5Pp1/1p4P1/4Q3/2p3P1/6K1/8 w - - bm Qe5 Qc6 Qb7 Kg1; id "TTT1.064";
6B1/2N5/1n6/8/6p1/3b2p1/3K1prp/5kbQ w - - bm Na8; id "ACT2.090";
6B1/6K1/8/8/7N/8/P1PkN1pp/8 w - - bm Ng1; id "ACT5.069";
6K1/1N1N4/6p1/5p1p/1k6/1p1p4/1PP5/2B1q2B w - - bm Bd2+; id "ACT3.063";
6N1/8/2ppr3/2pNp3/2k5/5P2/1PP1K3/8 w - - bm b3+; id "ACT2.009";
6bk/5pp1/3N1p1b/8/6pN/5pPp/4pP1P/4K3 w - - bm Ng6+; id "ACT3.051";
6bk/8/5R2/8/7p/5NpP/4p1P1/5rBK b - - bm Kh7 Kg7; id "ACT3.060";
6k1/1N1p3p/8/4N3/r2pp1K1/p3p1B1/p1p5/6R1 w - - bm Bf4; id "ACT1-B.091";
6k1/5pp1/7p/pBP5/P5K1/1P4P1/3Q1PbP/2r1r3 b - - bm Rcd1; id "TTT2.062";
6k1/6pp/2b5/P6p/3P1B1P/5PK1/8/8 w - - bm Bh6; id "ACT3.095";
6k1/8/ppp2pP1/4P1p1/7p/PPP1K3/8/8 w - - bm e6; id "ACT3.093";
6k1/P7/1n5P/p1p1K3/8/1p6/1N6/8 w - - bm Ke6 Kf6; id "ACT4.009";
6k1/ppp2pp1/8/1n1P4/3N2P1/2P5/P4P1P/6K1 b - - bm Nxd4; id "TTT2.098";
6nN/2p5/P1k2b2/2Bpp3/8/3bR3/8/K7 w - - bm Rxd3; id "ACT4.084";
6r1/ppk2p1p/2b5/2R1pPP1/4P2P/8/4BK2/8 w - - bm Bc4; id "TTT1.092";
6rk/2p1np2/1r1pb3/1p2p3/p1PPP1p1/1P2N1Pq/P1BQRP2/3R2K1 w - - bm Nf1; id "TTT2.085";
6rk/4qpr1/1b1p4/pp2p3/P3Pp2/2pR1Np1/P1B2PPN/3Q1R1K b - - bm Rh7; id "TTT1.071";
6rq/6p1/pQp1p1p1/P1p1P2p/p1Pk3B/N7/3K4/1b5n w - - bm Nc2+; id "ACT1-B.094";
7k/1p2B2p/1P2K1p1/3p3P/8/4b1P1/1pP2N2/8 w - - bm Kf7; id "ACT3.070";
7k/2p3pp/4pP2/4pb2/3p4/B2N2P1/3Pq1PQ/6K1 w - - bm Qh6; id "ACT1-B.053";
7k/6R1/8/8/2P2P2/P7/pP6/3K3B w - - bm Rh7+; id "ACT2.038";
7k/8/7K/p1n1p1p1/B7/4N1p1/5B2/8 w - - bm Bg1; id "ACT5.064";
7k/8/pp2p1p1/bN1p2pb/1p4p1/1P6/6P1/4K2R w - - bm g3; id "ACT4.051";
7k/Bp1R1b1p/1p2pK1n/8/4P1P1/6pB/4p3/8 w - - bm Bb8; id "ACT3.008";
7k/R7/7p/p7/2B5/K7/PPp5/3b4 w - - bm Bg8; id "ACT3.019";
7k/n4p1b/2R1PP2/8/8/2B2r1n/pK6/8 w - - bm Rc8+; id "ACT3.043";
7k/pp6/2r2n2/4p1PN/1K2p1P1/1P1PP3/5PB1/8 b - - bm Nxh5; id "ACT3.100";
I don't have early exit so at 60 seconds per problem it takes two hours.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Recommendation for difficult test suite

Post by Dann Corbit »

These are the three engines by Eduard that solve 110/120:
Big Leptir 260224
Rems M-091024
Sun 15
Like Crystal, they retain strong playing ability. The Huntsman, another good solver, is not good at actually playing chess.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Recommendation for difficult test suite

Post by Dann Corbit »

Re-checking my notes, Crystal scored 106/120 not 109, but it did spend the least time to solution for any of the engines for the ones that it solved.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
Jouni
Posts: 3621
Joined: Wed Mar 08, 2006 8:15 pm
Full name: Jouni Uski

Re: Recommendation for difficult test suite

Post by Jouni »

Yes Huntsman is impressive solver even if it only search for mate! But mate is the goal of game. In rfdts.epd suite it solves 55% when Stockfish about 28% when I used 5 sec limit.
Jouni
peter
Posts: 3393
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Recommendation for difficult test suite

Post by peter »

Dann Corbit wrote: Thu May 08, 2025 5:04 pm I like to use this test set to check engine solving power.
Thanks, Dann.
These 120 seem to fit quite well to the 256 above, without the doublets that gives those 359, I added MEA- syntax to them:

Code: Select all

1B1r4/rp2npkp/2b1pbp1/1qp5/nPN1R3/1P1P1QP1/2P2PBP/5R1K w - - bm Qxf6+; c0 "Qxf6+=10"; id "HTC108, 2._Corbit, Dann_Tactical Insanity Nr.1, 1";
1nb3rr/2pp3p/p1k2P2/n1q1PN2/P1pR3N/b4PBp/1R2P3/1KQ5 w - - bm Rd6+; c0 "Rd6+=10"; id "TacticalInsanityNr.9_CorbitD_HTC108-5 S, 2";
1r1q1rk1/1p2b2p/pN6/P1pP1bp1/5p2/2B2Q2/1P4PP/R4RK1 w - - bm g4; c0 "g4=10, Rad1=2"; id "Carlsen, M._Caruana, F._HTC108-7 WM2018, 3";
1r1rb1k1/5ppp/4p3/1p1p3P/1q2P2Q/pN3P2/PPP4P/1K1R2R1 w - - bm Rxg7+; c0 "Rxg7+=10"; id "ACT-Suite, Nr.12_Dorsz, OpenChess_HTC108-8, 4";
1r2kb1r/p5p1/1np1p1N1/3pPnB1/1p1P2B1/qP6/2PQ1P1P/1K1R3R b k - bm Nc4; c0 "Nc4=10"; id "van Foreest, J._L'Ami, E._HTC108-9 Zug 24...Sideline, 5";
1r3rk1/3bbppp/1qn2P2/p2pP1P1/3P4/2PB1N2/6K1/qNBQ1R2 w - - bm Bxh7+; c0 "Bxh7+=10"; id "Konig?, CCC._Cornforth96?, CSS+Playchess_HTC108-11 Arasan, 6";
1r3rk1/5p1p/p2pb1p1/3Np1P1/2pRPR2/qP2Q1N1/P1PK3P/8 w - - bm Nf5; c0 "Nf5=10, Nf6+=2"; id "PoorFish, CostalbaM_Borderline, Dual_HTC108-12, 7";
1rb1qrk1/2b2pp1/p3pBn1/3pP1Pp/1ppP4/2P1QN2/PP3P1P/R2BR1K1 w - - bm Nh4; c0 "Nh4=10"; id "LC0, CCC._SF, CSS._HTC108-15 S, 8";
2bk2r1/5q2/1p2pP1Q/pP1pP1P1/P2P4/8/2RK4/8 w - - bm Kc1; c0 "Kc1=10"; id "AlphaZero, HTC108-21._SF_Game9 2017, 9";
2q2r1k/p1p1b1pp/br1p1n2/2p1N1BP/Q1P1P3/8/PP1N1PP1/2KR3R w - - bm Ng6+; c0 "Ng6+=10"; id "Gashimov, V._Azariov, S._2011 HTC108-23, 10";
2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - bm Rf4; c0 "Rf4=10"; id "CorbitD, CCC+Rybkaf_?_HTC108-25, 11";
2r2rk1/2q2p1p/p1p1nPpQ/3p4/4p1B1/8/PPP3PP/R4R1K w - - bm Rf5; c0 "Rf5=10"; id "Gusia_Barlov_Schweiz 1980 HTC108-28, 12";
2r5/prkpR1p1/2p1ppK1/P1p1N1B1/P1P1P3/8/8/8 w - - bm Bf4; c0 "Bf4=10"; id "Bondarenko, &Kuznezov_Glarean, PoorStockfish_HTC108-29, 13";
3B4/1r2p3/r2p1p2/bkp1P1p1/1p1P1PPp/p1P1K2P/PPB5/8 w - - bm Ba4+; c0 "Ba4+=10"; id "Rudolph, W.E._?_Studie 1912 HTC108-30 S, 14";
4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - bm Qxe5; hc0 "Qxe5=10"; id "Gusev, Y._Auerbach, E.25._HTC108-42, 15";
6br/1KNp1n1r/2p2p2/P1ppRP2/1kP3pP/3PBB2/PN1P4/8 w - - bm Bxc5+; hc0 "Bxc5+=10"; id "Van Essen, M._2004, #22._HTC108-48 (-9ZNr41) S, 16";
6k1/1qr1p2p/ppN5/3p1N2/6p1/1P1P2Pp/PP2PP1P/2RK4 w - - bm Ncxe7+; c0 "Ncxe7+=10"; id "Neghina, M._Stronghold, 2003?._HTC108-49 S, 17";
6k1/ppn2p2/8/2P2P1p/1P2K3/2N5/P7/8 w - - bm Nd5; c0 "Nd5=10"; id "Tunik_Duzhakov_2011 HTC108-52, 18";
7k/4PBNp/7P/2p5/2P5/2rq2Pp/1P3P1K/8 b - - bm Qxg3+; c0 "Qxg3+=10"; id "Neghina, M._Chase, Derived_HTC108-54, 19";
r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4; c0 "Nd4=10"; id "SolomonKing, ?CCC._2.g4, Hiarcs_HTC108-80 S, 20";
r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - bm Bg4; c0 "Bg4=10"; id "Nicolic, E._Fischer, R._HTC108-94 S, 21";
r5rk/1bq1bpp1/1p1ppn1p/pP5P/2P1P3/P1N2P2/1B1Q1P2/1K1R1BR1 w - - bm Nd5; c0 "Nd5=10"; id "Morozevich, A._Vitiugov, N._Reggio 2011 HTC108-100, 22";
3q3N/1p5k/5B2/8/1p2p1Rp/1P5K/p3PP2/8 w - - bm Rg7+ Rxh4+; c0 "Rg7+=10, Rxh4+=10"; id "M. Garcia - P. Krug, Studie 2015_Glarean_The Engine Crackers, 23";
k7/7p/2p5/2rp1PP1/pp6/7p/5K1P/4R3 w - - bm g6; c0 "g6=10"; id "Zepler, E.E._Studie, 1928._?, 24";
5N1n/3P1p1p/5P1k/1Pp1P2p/4KP1P/2p5/p4b2/5N2 w - - bm Ne3; c0 "Ne3=10"; id "Formela, Michal_Studie, 2019._Polski Zwiazek Szachowy, 25";
r1b2rk1/3n1pb1/2p1p1p1/p5P1/Pp2B1NQ/1q4P1/2R2P2/3R2K1 w - - bm Rxd7; c0 "Rxd7=10"; id "Stoofvlees_SF_TCEC 2019, 26";
8/1pp2k2/p2p3p/3n1KP1/5P1P/8/1P1B4/8 w - - bm Ke4; c0 "Ke4=10"; id "Lasker, Emanuel_Lipke, Paul_Nebenvariante 41.Ke4! MS, 27";
1r1q1r1k/5pp1/3p1b2/pp1BpPB1/1n2P1QP/1PN5/1PPK4/R7 w - - bm Ne2; c0 "Ne2=10"; id "Los, Andrii_Kubicki, Tadeusz_corr LIPEAD40 (PER), 28";
r1b2rk1/pp3p2/2p3pp/2n5/8/q3RN2/P4PPP/2RQ1BK1 b - - bm Qa4; c0 "Qa4=10"; id "PurePower_Exxon_Chessbase online, 29";
r2n1r1k/1pp5/3ppn2/P2Pp2p/2P1P1pq/1Q2R2P/R2N1PP1/4N1K1 w - - bm g3; c0 "g3=10"; id "Bauer, Robert_Zhak, Boris Mikhailovich_WC30/final, 30";
2b5/1pr4p/3bp1pk/1p6/1PpN2PP/K1P1n3/P3N1R1/3R4 w - - bm Nxb5; c0 "Nxb5=10"; id "Mihai Neghina_Desperation_White to move and draw S, 31";
3r2k1/p4pP1/1ppr4/5Bp1/P2qPnQP/4R3/5P2/5RK1 w - - bm e5; c0 "e5=10"; id "Tauber, Hans_Sikorsky, Horst_37.e5!, 32";
1q6/4p3/6Q1/2N1n3/p2P2P1/P2PP1k1/4Kp1p/2B5 w - - bm Ne4+; c0 "Ne4+=10"; id "Bondarenko+Gorgiev, Studie1959_BrillanterSchachzug, 17._?, 33";
7k/Bp1R1b1p/1p2pK1n/8/4P1P1/6pB/4p3/8 w - - bm Bb8; c0 "Bb8=10"; id "ACT3, ??._Festung_S, 34";
5N2/rp6/pB1p1N2/pb2k1K1/3p2p1/1R2pp2/4B1n1/6bn w - - bm Rc3; c0 "Rc3=10"; id "ACT3, ??._Studie?_?, 35";
Q3b3/1p2q3/1p6/bp5P/1p6/1p6/1P1N1PPp/4NK1k w - - bm Qd8; c0 "Qd8=10"; id "ACT3, ??._?_?, 36";
7r/p2b4/rp2p2p/kB6/8/2K5/1P6/4R3 w - - bm Re5; c0 "Re5=10"; id "ACT3, ??._Festung_?, 37";
8/qpp5/8/k1p1N3/2p5/P7/1PP1B3/K7 w - - bm Nc6+; c0 "Nc6+=10"; id "ACT3, ??._Festung_S, 38";
8/2q1k3/5N2/1p1P3N/p7/2P5/PBK5/8 w - - bm d6+; c0 "d6+=10"; id "ACT3, ??._Studie?_?, 39";
5k1r/7p/2p3P1/2p5/1p4PK/p6R/7P/4B3 w - - bm Kg5; c0 "Kg5=10"; id "ACT3, ??._Studie?_S, 40";
3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - bm Nd4; c0 "Nd4=10"; id "Neghina, M._GoldenerKäfig, 2009._S, 41";
8/p7/8/8/7P/1pk4P/P1P5/1K1Qbq1N b - - bm Bf2; c0 "Bf2=10"; id "Matous, Derived_ColoursExch_POW.38, 42";
4q1kn/2Bp1p2/1N1PpPp1/1P2P1P1/2N3b1/6p1/1P4Pb/7K w - - bm Na5; c0 "Na5=10"; id "Neghina, M._WhieTo, MoveAndWin_2018? S, 43";
8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - bm Bh5+; c0 "Bh5+=10"; id "Popov, Study_Glarean 2006, 1996?._HTC108-58, 44";
r1b1qk1r/pn3pp1/1p2p3/3pP1Bp/1bPN4/4Q1R1/P2N1PP1/R5K1 w - - bm Bf6; c0 "Bf6=10, N2f3=2"; id "Sikorsky, Horst_Novak, Joze_Sideline, 45";
8/5p2/1p1r2p1/1p1p1R2/1P3KN1/8/7p/3N2kr w - - bm Re5; c0 "Re5=10"; id "Krug, P._CCC, Paloma_S, 46";
8/3p4/p2kp1N1/p1r4p/P6P/5RK1/8/8 w - - bm Kf4; c0 "Kf4=10"; id "TCEC, Sammlung_Nr.8, j329_CCC, 47";
r2qr1k1/1b1n1pbp/pp2p1p1/7P/1B1PP3/R2BQN2/5PP1/1R4K1 w - - bm h6; c0 "h6=10"; id "TCEC, Sammlung_Nr.22, rj329_CCC, 48";
r1bqkb1r/3n1ppp/p3p3/8/Pp1B1n2/3B1N2/1P1NQPPP/R2R2K1 w kq - bm Qe1; c0 "Qe1=10"; id "Sikorsky, Horst_Vinchev, Simeon_corr GER, Hiarcs, 49";
r5b1/7P/p7/2B4p/rp6/4N1P1/p2R4/1k1K4 w - - bm Rb2+; c0 "Rb2+=10"; id "Zemljanski, Y.I._1move, cut_Tsjechover-90 S, 50";
3rqQ2/3ppppp/7k/R7/8/8/1PPP2K1/8 w - - bm Ra3; c0 "Ra3=10"; id "Study, ?._?_IQ 100, 51";
7k/1p2B2p/1P2K1p1/3p3P/8/4b1P1/1pP2N2/8 w - - bm Kf7; c0 "Kf7=10"; id "Study?, ?._?_ACT3, 52";
1K6/RP3pk1/4p3/2rbP1P1/8/8/P7/8 b - - bm Rc2; c0 "Rc2=10"; id "Study?, ?._?_TTT2 31, 53";
r1q3rk/p1p3b1/3p1nn1/2PPp2p/1P2Ppp1/2NN1P2/6PP/R1BQ1R1K b - - bm gxf3; c0 "gxf3=10, Bh6=2"; id "Semenikov+, D A._Sikorsky, H._corr. USA 2021, 54";
r1bq2rk/ppp5/3p1nnb/P1PPp1pp/1P2Pp2/2N2P2/3BBNPP/R2Q2RK b - - bm Qd7; c0 "Qd7=10"; id "Petrov, M._Sikorsky, H._CL/2021, 55";
4k2q/p4p1B/1pp3pP/2N2pP1/2P2P1N/8/PP2P3/2K5 w - - bm Nxg6; c0 "Nxg6=10"; id "Study, ?._CCC_ACT5 11, 56";
5kbQ/pp4p1/n3p2p/3p2r1/7N/2PPP2P/PP3PP1/4n2K b - - bm Rxg2; c0 "Rxg2=10"; id "Study, ?._?_ACT5 29, 57";
8/p2p4/r7/1k6/8/pK5Q/P7/b7 w - - bm Qd3+; c0 "Qd3+=10"; id "ERET 015_Endspiel D&B vs T&L&B_Becker 2015, 58";
8/7p/5P1k/1p5P/5p2/2p1p3/P1P1P1P1/1K3Nb1 w - - bm Ng3; c0 "Ng3=10"; id "ERET 032_Zugzwang_Fahrni 1922, 59";
1k6/bPN2pp1/Pp2p3/p1p5/2pn4/3P4/PPR5/1K6 w - - bm Na8 Rf2; c0 "Na8=10, Rf2=4"; id "ERET 037_Zugzwang_Garcia 2000, 60";
8/4nk2/1p3p2/1r1p2pp/1P1R1N1P/6P1/3KPP2/8 w - - bm Nd3; c0 "Nd3=10"; id "ERET 046_Endspiel T&S vs T&S_Grandelius-Raznikov, Albena 2011, 61";
r4r1k/p1p3bp/2pp2p1/4nb2/N1P4q/1P5P/PBNQ1PP1/R4RK1 b - - bm Nf3+; c0 "Nf3+=10, g5=4"; id "ERET 050_Koenigsangriff_Hansen-Barua, Biel 1993, 62";
4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - bm f4; c0 "f4=10, Bd1=10"; id "ERET 090_Endspiel L vs L_Salai 2011, 63";
2b1r3/r2ppN2/8/1p1p1k2/pP1P4/2P3R1/PP3PP1/2K5 w - - bm Nd6+; c0 "Nd6+=10"; id "ERET 093_Endspiel T&S&B vs T&T&L_Simkhovich 1923, 64";
2k2Br1/p6b/Pq1r4/1p2p1b1/1Ppp2p1/Q1P3N1/5RPP/R3N1K1 b - - bm Rf6; c0 "Rf6=10"; id "ERET 094_Damenopfer_Sirobaba-Chaika, CorrGame 2011, 65";
6bk/5pp1/3N1p1b/8/6pN/5pPp/4pP1P/4K3 w - - bm Ng6+; c0 "Ng6+=10"; id "Fortress, Study?_?_ACT3-51 S, 66";
4rkr1/1b2np2/q4Bp1/6P1/2Q5/pP6/K1P3B1/2R5 w - - bm Bxb7; c0 "Bxb7=10"; id "ACT4, Nr.1_?_ACT4-1, 67";
8/8/p2B1R2/Pp2K3/1Pp3pp/2P3pq/4P1kp/7b w - - bm Bb8; c0 "Bb8=10"; id "Cyclic, ZZ?._?_ACT5-25 2, 68";
k1b5/1p1p4/p1bP4/PP6/8/6N1/8/K7 w - - bm b6; c0 "b6=10"; id "Blass, U.._CCC_ACT5-27 2, 69";
3n3k/8/6PK/5PP1/1b5p/2pp4/1qP5/Q7 w - - bm g7+; c0 "g7+=6"; id "Campioli, M._#14, ?._ACT5-28 2, 70";
5q2/1p6/P5p1/1P1p1pPk/B1p5/2N1pPP1/4P1K1/8 w - - bm f4; c0 "f4=10"; id "Krug, P._?_ACT5-30 2, 71";
5rk1/5p2/5R2/6PK/2b1N3/3N4/pQnp3n/8 w - - bm Rf1; c0 "Rf1=10"; id "KrugP, Garcia_HHdbVI.0044383.001, a.01968?_ACT5-31 1, 72";
8/8/p1Kp4/k6p/B1P2N1P/1R6/P7/3q4 w - - bm Ra3; c0 "Ra3=10"; id "Kos, V._?_ACT5-34 2, 73";
Q2q3r/4kp1n/pP2P1pp/3Pp3/K3B3/1PP4P/1P2r3/4B3 w - - bm Qa7+; c0 "Qa7+=10"; id "Sokka, H._HHdbVI.1076075.001, a.53387?_ACT5-36 1, 74";
rb6/k1p1n3/P5Q1/1K3p2/3p4/6B1/6p1/8 w - - bm Qc6; c0 "Qc6=10"; id "Sehwers, J?._HHdbVI.1643584.002a., 89051?._ACT5-ana, 75";
8/p1p1p1P1/P1P1P3/7p/8/P2p1K1P/pp1p4/krbB4 w - - bm g8=N; c0 "g8=N=10"; id "Zinar, M._HHdbVI.0210037.002a., 09076?._ACT5-44 2, 76";
8/1p3p2/8/1P1NP3/B4K2/1R6/p1Pp4/2k5 w - - bm Nb4; c0 "Nb4=10"; id "Nestorescu, V._HHdbVI.0708805.002a., 33432?._ACT5-46 1, 77";
3r4/1K3p1p/3P1p2/3k1P2/3B4/1P6/1P3P1P/8 w - - bm Bc5; c0 "Bc5=10"; id "Timman, J._HHdbVI.0033988.002a., 01480._ACT5-48 2, 78";
8/1p6/p4N2/q6p/Pp1kp3/1P3P2/3K2P1/2R5 w - - bm f4; c0 "f4=10"; id "Unknown, Author_?_ACT5-51 2, 79";
2r3bq/3N1prk/5Pp1/6P1/3P3B/RP2P1P1/6K1/8 w - - bm Ra4; c0 "Ra4=10"; id "Ivanov, V._?_ACT5-53 2, 80";
1b6/2P5/8/kP1P4/p7/P4p2/5Kpp/6B1 w - - bm cxb8=B; c0 "cxb8=B=10"; id "Bernhardt, G._?_ACT5-58 2, 81";
5b2/4p1p1/p2pP1P1/P3P3/4P1N1/5KP1/4p1pP/4Bbrk w - - bm Kf4; c0 "Kf4=10"; id "Unknows, Author_?_ACT5-61 2, 82";
6k1/6pp/3K2b1/6P1/4p2P/7P/P7/1B6 w - - bm h5; c0 "h5=10"; id "Naef, W._?_ACT5-63 2, 83";
K6n/1BR1p1N1/1P1kP1br/3pnp1q/p2P4/r1p4p/P7/2b1B3 w - - bm Bg3; c0 "Bg3=10"; id "#7, ?._?_ACT5-67 2, 84";
8/K3p3/5q2/5b2/1Np5/Bp6/p3Q3/k7 w - - bm Qf1+; c0 "Qf1+=10"; id "#9, ?._?_ACT5-68 2, 85";
6B1/6K1/8/8/7N/8/P1PkN1pp/8 w - - bm Ng1; c0 "Ng1=10"; id "SilhanJ, ZizkaL_?_ACT5-59 3, 86";
r6k/p2b2pp/q1n1p2n/3pPpB1/2pP4/2P2NQ1/2P1BPP1/1R4K1 w - - bm Bf6; c0 "Bf6=10"; id "Hiarcs, ?._?_TTT2 2, 87";
2bq1rk1/p1n1b1p1/1r5p/3pPp2/2pP1B1P/2P4N/P1B1QP2/2K3RR w - - bm Rg3; c0 "Rg3=10"; id "Hiarcs, ?._?_TTT2 6 2, 88";
1B2b2k/7q/4n2p/3Np1PQ/8/1p6/5N1P/1K1B4 w - - bm g6; c0 "g6=10"; id "Derived, from_StavrietskyA, 2017._TTT2 14, 89";
2Br1r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 b - - bm bxc4; c0 "bxc4=10"; id "Midgame, ?._?._TTT2 23, 90";
rnbq3r/1p2b1k1/2pp1p1p/pP3pp1/2BP3N/P3P3/2P2PPP/RN1Q1RK1 w - - bm Ng6; c0 "Ng6=10"; id "TTT2.053_?_TTT2, 91";
5qk1/pp4p1/4ppp1/2Q3P1/7P/P1P5/1P4P1/6K1 w - - bm Qxf8+; c0 "Qxf8+=10"; id "TTT2.073_?_TTT2, 92";
6Bq/5pkp/4P2p/1nN1KP1P/7P/8/8/8 w - - bm f6+; c0 "f6+=10"; id "RoxlauM, GrushkoM_HHdbVI_ACT4 4 1, 93";
8/5bb1/N1r2k2/3p1p1p/p1pPpP2/PpP1P2P/1P5P/6RK w - - bm Nb8; c0 "Nb8=10"; id "Smyslov, V._?_ACT4-26 1, 94";
8/8/3k2p1/5ppb/3P4/1P6/1P3NP1/4K3 w - - bm g4; c0 "g4=10"; id "Smyslov, V._?_ACT4-41 1, 95";
2n3B1/6p1/2P2p2/1p3P1p/1p1nK2P/3P4/4N2p/7k w - - bm Ke3; c0 "Ke3=10"; id "JostenG_?_?, 96";
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/2R4P/2P1N1P1/q7 w - - bm Kd6; c0 "Kd6=10"; id "Study, ?._?_ACT4-59, 97";
2q1k1b1/7p/4p1r1/Pp1pP2Q/1P1P2PB/2P5/1KP5/8 w - - bm Qxg6+; c0 "Qxg6+=10"; id "Wotawa, A._?_ACT4-66 1, 98";
8/5P2/Np1q1k2/8/p1pP3P/2P2P2/P7/1KB5 b - - bm a3; c0 "a3=10"; id "Study, ?._?_ACT4-90 1, 99";
8/1p1k4/1Pp1p3/2P1p2N/4K1p1/p5N1/8/8 w - - bm Kd3; c0 "Kd3=10"; id "Bethge, F._?_ACT4-91, 100";
2K5/p1p4k/p1p5/2p3p1/6Pb/6p1/p5P1/B7 w - - bm Kd8 Kd7; c0 "Kd8=10, Kd7=10"; id "Blathy, O._?_ACT4-94 1, 101";
4K3/1B1p4/pn1Npb2/k3p3/P1pn4/P7/7B/3N4 w - - bm Bc6; c0 "Bc6=10"; id "Cortlever, N._HHdbVI_ACT3-29 1, 102";
n6r/b7/1R4R1/2k5/2pppppp/8/1PPPPPP1/r4NK1 w - - bm b4+; c0 "b4+=10"; id "Korolkov, V._?_ACT3-38, 103";
b1K2b1n/p1BNp2r/3pP1Nr/PB1Pppp1/Pk2P2n/8/PP6/8 w - - bm a6; c0 "a6=10"; id "Fortress, ?._?_ACT3-41 1, 104";
2K3b1/8/pPP1p1P1/2p1k2N/2P1pN1P/6PP/n1pQ2p1/1q3r2 w - - bm Kc7; c0 "Kc7=10"; id "Unknown, Author_?_ACT3-48, 105";
5N1r/5n1n/ppp3R1/5K2/7k/6p1/6PN/8 w - - bm Rg4+; c0 "Rg4+=10"; id "Kraemer, A._?_ACT3-49, 106";
8/6Qp/p5pP/P2n4/8/5p2/p2K1P2/1k2Bb2 w - - bm Qa1+; c0 "Qa1+=10"; id "Sivkov, N._#10, ?._ACT3-88, 107";
5B2/1p1nNp2/8/1P2R3/3p3q/8/p1K1P1Q1/k3b3 w - - bm Ng6; c0 "Ng6=10"; id "Timman=J_Glarean, Nightmare_?, 108";
1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - - bm Rb7 Rxb2; c0 "Rb7=10, Rxb2=4"; id "Boudy Bueno, J.L.._Szabo, L._Varna 1979 Txb2!? Eret 17, 109";
r1bqk1nr/pp1pnppp/1bp5/1B6/3PP3/5N2/PP3PPP/RNBQ1RK1 w kq - bm d5; c0 "d5=10"; id "Lc0-dev_Stockfish_ECO MegaMatch II! (1|1), 110";
2r4r/3n1pk1/pq1p1bp1/3B4/1p2P1N1/7P/PP1Q1PK1/3RR3 w - - bm Bxf7; c0 "Bxf7+=10"; id "Carlsen, M._L'Ami, E._Corus B VLH16 35, 111";
nq6/pPpB4/2K5/1P2BN2/3Pk2p/5p2/8/6bN w - - bm b6; c0 "b6=10"; id "Bazlo, Yuri_10moves, less_2019 HHdbVI 1, 112";
rn2kr2/1pp1b1p1/4p3/1Pp1P2p/p1P1NP1P/P7/1B4P1/3RR1K1 w - - bm g3; c0 "g3=10, Rf1=2"; id "Opening, Hiarcs_!, ?!._?, 113";
r4rk1/ppp1bppp/2p5/4P3/8/1q2B3/PPPR1PPP/3R2K1 w - - bm cxb3; c0 "cxb3=10"; id "TCEC, rj329_?_CCC, 114";
r1b5/1pk2pr1/1Rp1p1q1/p1PpPp1p/P2P1Q1P/4P1P1/4B1K1/3R4 w - - bm e4; c0 "e4=10"; id "TCEC, rj329_?_CCC Nr.5, 115";
3r1r2/pb2nkp1/1pnb1p1p/2pNpP2/q1P1P1PP/3P1N2/P3BR2/3RQ1BK w - - bm g5; c0 "g5=10"; id "Gleichmann, Matthias_Praznik, Niko_corr CT21/final, 116";
8/3p4/p3b3/P4p1p/4pP1P/2pP2Np/Q2P2kp/2N1K3 w - - bm Qb1; c0 "Qb1=10"; id "Yarmonov, I._Glarean_2020, 117";
2r1r3/1p2qppk/1Ppp1nnp/p3p3/P1PPP3/2NBPR1P/6PK/3Q1R2 w - - bm Ne2; c0 "Ne2=10"; id "Eman_SugaR_Glarean, 118";
7k/p1pp2pp/1p1p4/8/2P2B1R/q1PP4/8/3R2K1 w - - bm Rf1; c0 "Rf1=10"; id "Hobacle's, VersionOf_Walter Eigenmann's, Study_?, 119";
r1n5/k3pp2/2Rr4/1p6/1p6/p4pp1/QP4Pn/4RBK1 w - - bm Rec1; c0 "Rec1=10"; id "Krug, P.._Glarean, EngineCrackers2_2018, 120";
r1bqr1k1/pp1nb1p1/2n3P1/3pPp1p/1p1P3P/P4N2/3N1P2/RBBQK2R w KQ - bm Ng5; c0 "Ng5=10"; id "Gniazdowski, Marian_Rau, Johann_corr CL/2019/C8 Glarean, 121";
1r6/1n1R1b2/8/1p1p3k/pPpPp1p1/2P1P3/P2K1PP1/8 w - - bm Rxb7; c0 "Rxb7=10"; id "Illescas, Miguel_Glarean, EngineCrackers_?, 122";
2k5/1p3pp1/p1p1p1p1/2P1P1P1/PP1P1P1P/K7/8/8 w - - bm f5; c0 "f5=10"; id "Heinz, J._Glarean_Study 1981, 123";
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/R1n4P/2P1N1P1/3q4 w - - bm Rxc3; c0 "Rxc3=10"; id "Josten, G.._Glarean, EngineCrackers_Studie 2001, 124";
rb2n3/p3B3/1P5p/2P4K/5k2/1r4p1/3R2R1/8 w - - bm Rxg3; c0 "Rxg3=10"; id "Timman, J.._HHdbVI_?, 125";
8/1p4p1/1Np2pP1/1p6/6P1/P2kP1PK/P2P4/2b5 w - - bm Na8; c0 "Na8=10"; id "Gelly, M.._HHdbVI_Glarean, 126";
6K1/5p2/6p1/1N2qk1p/p6R/7P/Pp2N3/2B5 w - - bm Ned4+; c0 "Ned4+=10"; id "Krug, P._HHdbVI, Glarean_?, 127";
8/2p1N3/2p5/2p5/P1kb2R1/4p3/P3p1P1/1B2B2K w - - bm Be4; c0 "Be4=10"; id "Popov, G._#9_Der Standard 2006, 128";
2q2r2/3n1p2/p2p2k1/3PpRp1/P1n1P3/2P2QB1/1rB1R1P1/6K1 w - - bm Rxg5+; c0 "Rxg5+=10"; id "Arasan16.003_?_512, 129";
n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - bm Bc7; c0 "Bc7=10"; id "Matous_Derived_512, 130";
r1bqkb1r/ppp3pp/n3pn2/1N1p1p2/3P1B2/4P3/PPP2PPP/R2QKBNR w KQkq - bm c4; c0 "c4=10"; id "Hiarcs_Buch_512, 131";
r3kr2/pp2bpp1/2b4p/q3p3/2B1p1PP/1Q2B3/PPP2P2/2KR2R1 w q - bm g5; c0 "g5=10"; id "AM, Hiarcs_Wrong, Book_512, 132";
r7/1QP1N1Kp/pn2P1b1/Nnk2p2/7p/p4BP1/1rPPp2q/8 w - - bm Qxa8 Nd5; c0 "Qxa8=10, Nd5=7"; id "Unknown_Source_512, 133";
8/8/7K/8/p1p5/2Bp4/pn1N4/k3N3 w - - bm Nxd3; c0 "Nxd3=10"; id "Ulrichsen, J._#13_La Strategie/8 2003, 134";
r1k1n2n/8/pP6/5R2/8/1b1B4/4N3/1K5N w - - bm b7+; c0 "b7+=10"; id "ERET 036_?_512, 135";
rq6/5k2/p3pP1p/3p2p1/6PP/1PB1Q3/2P5/1K6 w - - bm Qd3; c0 "Qd3=10"; id "ERET 059_?_512, 136";
4r1k1/1r1np3/1pqp1ppB/p7/2b1P1PQ/2P2P2/P3B2R/3R2K1 w - - bm Bg7 Bg5; c0 "Bg7=10, Bg5=10"; id "ERET 084_?_512, 137";
4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - bm Kc8; c0 "Kc8=10"; id "ERET 103_?_512, 138";
1k1n4/1p1b1p2/1Bp1pPp1/1PP1P3/8/6P1/8/1K6 w - - bm Bc7+; c0 "Bc7+=10"; id "Hasek_?_512, 139";
1nrqr3/1b4bk/pp3pp1/3pPp1p/P1pP1P1P/2P1BN2/1PB2QP1/R4RK1 w - - bm g4 Nh2; c0 "g4=10, Nh2=6, Rae1=4"; id "Unknown_Source_triple doubt, 140";
1rb1nrk1/1p1qp2p/p1np1p1Q/3NPp2/2P5/3B1N1P/P2B2P1/R6K w - - bm e6 g4; c0 "e6=10, g4=8"; id "Hiarcs, Second_Book, Best_512, 141";
2R5/k1p1p1K1/P1p1Pp2/5P2/7P/pB6/2p5/2r5 w - - bm Rxc7+; c0 "Rxc7+=10"; id "Source?_?_512, 142";
2b1Bbk1/5ppp/p3p3/8/1r3P2/4P3/P4P1P/3Q2K1 w - - bm e4; c0 "e4=10"; id "Hard, Pos_2022, Dann_triple doubt, 143";
2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - bm f6; c0 "f6=10"; id "Smyslov, V._Derived_512, 144";
2b2r2/2r2pbk/4n1pp/pp1pP3/2pP3q/P1P1B2P/1P1QNRPK/1B3R2 w - - bm Rf6 Bc2; c0 "Rf6=10, Bc2=8"; id "Source?_Dann?_Double, 145";
2r1r1k1/2P2bp1/p1Q2pq1/2R3b1/1P6/4p1Bp/4B2P/3R3K w - - bm Qf3; c0 "Qf3=10"; id "Source?_Dann?_512, 146";
2r1r1k1/4bppp/1q4n1/3pP3/p1pP4/PnR2NBP/1P4P1/1B1QR2K w - - bm e6 Bf5; c0 "e6=10, Bf5=6"; id "Gaprindashvili_Bliss_Corr, Glarean, 147";
2r2rk1/1bpR1p2/1pq1pQp1/p3P2p/P1PR3P/5N2/2P2PPK/8 w - - bm Kg3; c0 "Kg3=10"; id "Timman, J._Short, N._Tilburg 1991, 148";
2r2rk1/2qp1p1p/p1p2Pp1/2b1p3/4n3/4B3/PPP1B1PP/R3QR1K w - - bm Bxc5; c0 "Bxc5=10"; id "Gusia_Barlov, D._Switzerland 1980, 149";
2r3k1/1r3p2/1qb1pPpR/3pP1N1/p1pP4/PpP5/1Pn1BB1P/3R3K w - - bm Rg1; c0 "Rg1=10"; id "Hard, Positions_2022, Dann_512, 150";
3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; c0 "Qa8=10"; id "Balasz, J._?_Magyar Sakkvilag#375, 151";
3q4/4k3/1p1b1p1r/p2Q4/3B1p1p/7P/1P4P1/3R3K w - - bm b4; c0 "b4=10"; id "arasan_19.120_?, 152";
3rr1k1/pb3p1p/qp2p1pB/2p4n/3pN3/2P2B1Q/PP5P/R2R3K w - - bm Qxh5; c0 "Qxh5=10"; id "Source?_Dann?_?, 153";
4kb1r/2q2ppb/p2pp2p/5P2/NrPB2P1/1P3Q2/1K1R3P/7R w k - bm fxe6; c0 "fxe6=10"; id "Soruce?_Dann?_?, 154";
4kr2/5p1K/3p1Q2/1p4P1/4P3/1PP5/7b/8 w - - bm Kh6; c0 "Kh6=10"; id "Reti, R._?_Shakhmaty#330, 155";
4r2r/pppkq1pp/2n1pn2/4p1B1/4N2Q/8/PPP3PP/4RRK1 w - - bm Nxf6+; c0 "Nxf6+=10"; id "Source?_?_?, 156";
4rrk1/p1q1bpp1/b1n1p2p/1pppP1N1/n4B1P/3P2P1/PPP1QPBN/R3R1K1 w - - bm Qh5; c0 "Qh5=10"; id "Source?_?_512, 157";
5kN1/3p1q2/5P2/5PP1/2pK4/1p1R4/1P6/8 w - - bm Rxb3; c0 "Rxb3=10"; id "Kliadskin, M._?_Izvestia#064, 158";
5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - bm c8=N; c0 "c8=N=10"; id "Randviir, J._?_Shakhmaty v SSSR 1974, 159";
5rk1/2p2Rpq/p2p2n1/2pPpQPp/4P2P/3P2N1/PP6/6K1 w - - bm Qe6; c0 "Qe6=10";; id "Source?_?_512, 160";
5rk1/8/pqPp1r1p/1p1Pp1bR/4B3/5PP1/PP2Q1K1/R7 w - - bm Rxg5+ Rah1; c0 "Rxg5+=10, Rah1=10"; id "Sedarpi_Noangami_Arasan multiple, 161";
6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - bm Bf8+; c0 "Bf8+=10"; id "Troitzky, A._?_Deutsche Schachzeitung#1050 1907, 162";
6b1/5p2/1p3Bp1/1P3pP1/5P2/pp1B2K1/pr4P1/k7 w - - bm Kh2 Kh3; c0 "Kh2=10, Kh3=9, Kf3=8"; id "Rusz, A._?_Glarean multiple, 163";
6k1/1pp2p2/3p4/p2P1Pp1/2P1n1Pp/4B1nP/PP4B1/4K3 w - - bm Bxe4; c0 "Bxe4=10"; id "Source?_?_512, 164";
6k1/p7/8/4B3/Pp3p1P/qP5P/P1Rb2K1/8 w - - bm Kf3; c0 "Kf3=10"; id "Salai_Derived_7moves cut, 165";
6r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - bm Qxg6+; c0 "Qxg6+=10"; id "Source?_#13_mulitple, 166";
7k/pp2Np1p/2p2P1N/5pP1/7K/P4n2/1q3Q2/5n2 w - - bm Kh5; c0 "Kh5=10"; id "Neghina, M._?_2 moves cut, 167";
7q/b1p5/1p1Npkb1/pPP2ppP/P1P5/3B2P1/5P1R/K3R3 w - - bm hxg6; c0 "hxg6=10"; id "Neghina, N._?_Detour, 168";
7r/pp3pk1/3p1N2/5PBp/1Pq1P3/2P4P/rP3RP1/4R1K1 w - - bm Kh2 Nd5; c0 "Kh2=10, Nd5=6"; id "Noble_Wellen_Multiple, 169";
8/1p1r2R1/p5p1/5bp1/2PB1k2/1PK5/P7/8 b - - bm Rxd4; c0 "Rxd4=10"; id "Svidler, P._Karjakin, S._Glarean, 170";
8/2p1q3/p3P3/2P4p/1PBP2kP/2N3P1/7K/8 w - - bm Be2+; c0 "Be2+=10"; id "Troitzky, A._?_Pravda#107 1928, 171";
8/2pPpP2/1P1qk1p1/1p4P1/1P4p1/1p1QK1P1/2PpPp2/8 w - - bm f8=Q d8=Q; c0 "f8=Q=10, d8=Q=8"; id "Source?_?_?, 172";
8/4K2p/6pr/5pk1/1pB2R2/p4PP1/8/8 w - - bm Rg4+; hc0 "Rg4+=10"; id "Evreinov, V._?_Shakhmaty v SSSR#187 1940, 173";
8/6pp/1K6/N5P1/3N4/8/npn1P3/k7 w - - bm Nab3+; c0 "Nab3+=10"; id "Lommer, H._?_4.hm Problemas (SEPA) 1962, 174";
8/8/8/2pK3p/8/5N2/1P4pq/5Rbk w - - bm Rb1; c0 "Rb1=10"; id "Guregenidze, D._Mitrofanov, L._1.p Molodoj Leninets (Kurgan) 1981, 175";
8/bB1p1p1k/Pr2nPpn/4P3/1PR3P1/2B4p/4K2P/8 w - - bm g5; c0 "g5=10"; id "Hard, Positions_Corbit, Dann_2022, 176";
kr1b4/p1p2B2/2p5/2p1p3/KpP1P3/1P4N1/8/7R w - - bm Rh6; c0 "Rh6=10"; id "Blundell, D._?_Bent JT EG 1989, 177";
q1r5/k3ppp1/2R5/PP1KP2r/2p4Q/2p1p3/5pP1/3R4 w - - bm Qd4+; c0 "Qd4+=10"; id "Kostadinov, D._?_Probleemblad#173 2005, 178";
q7/b1p5/kp1p4/p2PN3/PPP5/1K6/8/5B2 w - - bm c5+; c0 "c5+=10"; id "Neghina, M._Slowness_Componist#07 2012, 179";
r1b1k1r1/1p2np1p/p1n1pQp1/3p4/3NPP2/P2RB3/2PK2PP/q4B1R w q - bm Be2; c0 "Be2=10"; id "Hard, Positions_Corbit, Dann_2022, 180";
r1b3k1/ppp1q1pp/2n1p3/3pP2P/8/2NB2Q1/PPP3P1/2K2R2 w - - bm Bg6; c0 "Bg6=10"; id "Hector_So_Malmo 211, 181";
r1b3r1/5p1k/p1n2P1p/P1qpp1P1/1p1p4/3P2Q1/BPPB2P1/R4RK1 w - - bm Kf2 Bb3; c0 "Kf2=10, Bb3=6"; id "Efremov, A._Fischer, W._2012 Arasan Multiple, 182";
r1bq1rk1/1p1nbppp/p3p3/2ppP3/5B1P/2PBP3/PP1N1PP1/R2QK2R w - - bm Bxh7+; c0 "Bxh7+=10"; id "Hard, Positions_Corbit, Dann_2022, 183";
r1bq1rk1/pp1n1pp1/4pn1p/2p3B1/3P4/P1PB1N2/2P3PP/R3QRK1 w - - bm Qh4; c0 "Qh4=10"; id "Hard, Positions_Corbit, Dann_2012, 184";
r1bqn1nk/ppp4p/3p4/3Pp1r1/2P1Pp2/2NB1P2/PP2N3/2K1Q1RR w - - bm Rxh7+; c0 "Rxh7+=10"; id "Hard, Positions_Corbit, Dann_2012, 185";
r1bqr1k1/3n1ppp/p2p1b2/3N1PP1/1p1B1P2/1P6/1PP1Q2P/2KR2R1 w - - bm Qxe8+; c0 "Qxe8=10"; id "Nijboer, F._Winants, L._Hoogovens-B 1988, 186";
r2q1r2/1b2bpkp/p3p1p1/2ppP1P1/7R/1PN1BQR1/1PP2P1P/4K3 w - - bm Qf6+; c0 "Qf6+=10"; id "Asauskas_Malisauskas_Vilnius 2004 HTC, Arasan, 187";
r2q1rk1/ppp2p2/3p1np1/4pNQ1/4P1pP/1PPP4/1P3P2/R3K1R1 w Q - bm Qh6; c0 "Qh6=10"; id "Hard, Positions_Corbit, Dann_2022, 188";
r2qkb1r/3bpppp/p4nn1/3P4/1p1N4/1QN3B1/PP3PPP/R3KB1R w KQkq - bm Nc6; c0 "Nc6=10"; id "Hard, Positions_Corbit, Dann_2022, 189";
r2qrbk1/1b3p2/3p2pB/1p1P1N2/1np1P3/5NRP/1P3PP1/1B1Qn1K1 w - - bm N3h4; c0 "N3h4=10"; id "Hard, Positions_Corbit, Dann_2022, 190";
r3nrk1/5pB1/p2q1P1b/1p2P3/3p4/3B1N2/PPP5/5R1K w - - bm Bxh6; c0 "Bxh6=10"; id "Nijboer, F._Dao, T._Hoogovens-B 1977, 191";
r3r1k1/1bppq2p/1p1n1bp1/3P1p2/p4N1P/P1PB1P2/1P1Q1BP1/1K1R3R w - - bm g4; c0 "g4=10"; id "Hard, Positions_Corbit, Dann_2022, 192";
r3rbk1/ppq2ppp/2b1pB2/8/6Q1/1P1B3P/P1P2PP1/R2R2K1 w - - bm Bxh7+; c0 "Bxh7+=10"; id "Hard, Positions_Corbit, Dann_2022, 193";
r4r1k/1p1n1ppp/1qb1p3/2b1P3/2B3Q1/p1NR4/PPP3PP/1KB1R3 w - - bm Rh3; c0 "Rh3=10"; id "Hard, Positions_Corbit, Dann_2022, 194";
r4r1k/1p4qp/b1pNRbp1/2P5/3p1P1P/PQ4P1/3R2BK/8 w - - bm Rd1; c0 "Rd1=10"; id "Source?_Corbit, Dann_HardPositions 2022, 195";
r4rk1/4bppp/bq2p3/npnpP3/p2B1P2/P1PB1N2/1P2QNPP/R4RK1 w - - bm Bxh7+; c0 "Bxh7+=10"; id "Source?_Corbit, D._HardPositions 2022, 196";
r5n1/p1p1q2k/4b2p/3pB3/3PP1pP/8/PPPQ2P1/5RK1 w - - bm Qf4; c0 "Qf4=10"; id "Source?_Corbit, D._HardPositions 2022, 197";
8/8/8/5Bp1/7k/8/4pPKP/8 w - - bm Bg4; c0 "Bg4=10"; id "Source?_Fortress_HardPositions 2022 Corbit, 198";
8/4r1pk/2B5/1P3P2/2PrPb1p/6qP/1R1p2P1/3R2QK b - - bm Ra7; c0 "Ra7=10"; id "Lounek_DeOlivera_Corr 2016 Glarean, 199";
8/ppk2p1p/4pp2/4b3/4P3/PP6/4NPPP/5K2 b - - bm b5; c0 "b5=10"; id "Source?_Corbit, Dann_HardPositions 2022, 200";
1B4bk/p4n1p/6pP/3p4/7p/3Pp2P/1p2P1K1/bB6 w - - bm Bh2; c0 "Bh2=10"; id "Timman, J._Derived, -3m_New in Chess Magazine 2007, 201";
1N6/B2p1p1p/3P1P1P/2K5/pP6/p3p3/rpp1P2P/qkn4R w - - bm Nc6; c0 "Nc6=10"; id "Zinar, M._Derived, -4m_sp.p Zadachy i Etyudy#3671b 2010, 202";
1nq2r1k/p4ppp/P7/1p2R3/7n/1P2p2P/1B1bK1PN/1B3Q2 w - - bm Re8; c0 "Re8=10"; id "VonWilkonski, G._?_Berliner Lokal-Anzeiger 1913, 203";
2k5/8/8/1Q6/4p3/4pp1p/4prpr/4Kbnq w - - bm Qb6; c0 "Qb6=10"; id "Korolkov, V._?_3.p Problem#081 1959, 204";
2N5/p1R1B3/K2R4/1P6/kp6/8/1PPr1ppr/8 w - - bm Nb6+; c0 "Nb6+=10"; id "Wotawa, A._?_Deutsche Schachzeitung#641 1965, 205";
2q2B1b/6rp/4p2k/7P/1p1PPPP1/1p4K1/8/Q7 w - - bm Qa6; c0 "Qa6=10"; id "Rusinek, J._?_1.p Tidskrift for Schack#1724 1974, 206";
4k2r/3Rp1p1/1Kp1P3/Pp1P2b1/4R3/P4P2/1p4q1/1Q5r w k - bm Rh4; c0 "Rh4=10"; id "Pervakov, O._Stavrietsky, A._2011 Glarean, 207";
4N3/p1p5/P1P5/7p/5p1P/p2P1K2/rpp5/qkn1R3 w - - bm Nd6; c0 "Nd6=10"; id "Bron, V._Derived, -5m_Magyar Sakkelet#0563 1964, 208";
4R1K1/3p2p1/3k4/pP2p3/P6p/4B2P/1p3PP1/8 w - - bm Bf4; c0 "Bf4=10"; id "Kok, T._?_De Schaakwereld#418 1941, 209";
5b2/1Q2p1p1/4P1Pp/6p1/B7/3K4/1p5P/2k1q3 w - - bm Qc6+; c0 "Qc6+=10"; id "Becker, R._Derived, -1m_3.p Garcia JT 2013, 210";
6k1/p1p1p1p1/P5Pq/7P/8/5R2/1P1P4/5K1B w - - bm Rf5; c0 "Rf5=10"; id "Beyer, H._Derived, -1m_1982, 211";
6N1/p1p1p3/P1P1P3/3K4/8/5p2/pppP1P1P/rkn4R w - - bm Nf6; c0 "Nf6=10"; id "Zinar, M._Derived, -1m_2012, 212";
7r/1n1P2rp/1P3kp1/1q6/3p4/b7/p1RB1P2/3QR1K1 w - - bm Qg4; c0 "Qg4=10"; id "Josten, G._Derived, -1m_Humor Tourney EBUR#079 w2004, 213";
7R/q5p1/3B4/1pN4p/7k/p3P3/3P2PP/6K1 w - - bm Bf4; c0 "Bf4=10"; id "Josten, G._Derived, -1m_.c NONA 2005, 214";
8/3p2pr/1K1k2N1/p3RP1r/6p1/1Pp5/nb2P2n/4B3 w - - bm Bf2; c0 "Bf2=10"; id "Source?_POW29_?, 215";
8/4p3/4p3/4P1P1/2K3P1/Np3k2/1p6/qB6 w - - bm Kb4; c0 "Kb4=10"; id "Didukh, S._Derived, -3m_2.p NONA 2007, 216";
8/5p2/2pK2p1/1bR1Q1R1/1pPpPp2/2pkp3/1r1q1r2/N5N1 w - - bm Rd5; c0 "Rd5=10"; id "Source?_POW31_Glarean?, 217";
8/8/1p2p1p1/1p1p4/1P3KN1/8/7p/3N2kr w - - bm Nge3; c0 "Nge3=10"; id "Krug, P._Derived, -2m_1.c Olimpiya Dunyasi#0716 2011, 218";
8/8/8/1K1p4/p6N/1p4p1/7p/1R4bk w - - bm Kb4; c0 "Kb4=10"; id "Ryabinin, N._Derived, -7m_.hm Roslov-40 JT Zadachy i Etyudy 2003, 219";
8/q2pB3/p2N2r1/p1N5/p1p5/k7/P1P1PPPP/K7 w - - bm c3; c0 "c3=10"; id "Bron, V._?_Magyar Sakkelet#0341 1959, 220";
k2NQ3/p2Kpp1p/4p1pn/3Pb3/1P4b1/1P1p4/r6r/5n2 w - - bm Nb7+; c0 "Nb7+=10"; id "Olin, P._Derived, -7m_Selman MT Schakend Nederland#1665 1978, 221";
K7/4RBBp/2p5/3pPkp1/N2P1pbr/p2Pr1p1/1b6/6N1 w - - bm Re6; c0 "Re6=10"; id "Source?_POW45_#15, 222";
k7/qp1N4/np6/1N4K1/2p1p3/8/3P4/8 w - - bm Kg4; c0 "Kg4=10";; id "Manvelyan, A._Derived, -7m_2.p Kasparjan MT 1997, 223";
n2Bqk2/5p1p/5KP1/p7/8/8/2Q5/8 w - - bm Qc8; c0 "Qc8=10"; id "Source?_POW47_#13, 224";
nk3b2/2rP4/5pp1/5R2/2K2B2/8/1P6/8 w - - bm Kb5; c0 "Kb5=10"; id "Josten, G._Derived, -1m_1.hm StrateGems#0191 2010, 225";
R7/7p/2p4R/2p5/4K3/3Np3/p3k3/r6r w - - bm Nc1+; c0 "Nc1+=10"; id "Maksaev, V._Derived, -4m_.c Birnov MT Molodoj (Volgograd) 1998, 226";
4qrk1/3nppb1/R1Np2p1/3P2P1/1Pr5/4B3/5Q1P/5R1K w - - bm Ra8; c0 "Ra8=10"; id "Benjamin - Xu Jun, Seattle 2001_?_repl, 227";
2r2rk1/1b3ppp/pn2p3/2qpP3/1p1Q1PP1/3B2R1/PPP1N2P/1K1R4 w - - bm Bxh7+; c0 "Bxh7+=10"; id "Wilczek - Leupold, 8th Baltic Sea Team_?_repl, 228";
8/p4pk1/r1p1p1p1/P1PpRnPp/1P3P2/2P5/4RK2/8 w - - bm Rxf5; c0 "Rxf5=10"; id "Source?_Corbit, Dann_HardPositions 2022 Multiple, 229";
r2q1r2/1b2bpkp/n3p1p1/2ppP1P1/p6R/1PN1BQR1/NPP2P1P/4K3 w - - bm Qf6+; c0 "Qf6+=10"; id "Source?_HardPositions_2020, 230";
1r3knr/3b1pp1/p2q3p/3p2P1/2pN3P/P1N2P2/1PPQ4/1K1RR3 w - - bm Nxd5; c0 "Nxd5=10"; id "Source?_Corbit, Dann_HardPositions 2022, 231";
r4r1k/6qp/3R1bb1/pNp2p2/PnB1pP2/4B2P/1P3Q1K/6R1 w - - bm Rxf6; c0 "Rxf6=10"; id "Source?_Corbit, Dann_HardPositions 2022, 232";
r3r2k/1pq2pp1/4b2p/3pP3/p1nB3P/P2B1RQ1/1PP3P1/3R3K w - - bm Rf6; c0 "Rf6=10"; id "Houdini 1.5 - Rybka 4, LTC match 2011_?_repl, 233";
8/6k1/2p2qp1/1p1n1p2/r2P4/p1P3P1/3Q1PK1/R6R w - - bm c4; c0 "c4=10"; id "Houdini - Rybka TCEC, 02.2011_?_repl, 234";
1k2rb1r/1pp3p1/p4pb1/1q6/1P1PN2p/2P2P1P/3Q2PB/R3R2K w - - bm c4; c0 "c4=10"; id "Source?_Corbit, Dann_HardPositions 2022, 235";
r1b1r1k1/bp3ppp/1qn1p3/3pP3/1P3B2/P2B1N2/3Q1PPP/2R2RK1 w - - bm Bxh7+; c0 "Bxh7+=10"; id "Houdini 1.5 w32 - GullChess 1, swcr-32-2 A3 2011_?_repl, 236";
3r1rk1/1p2qpp1/p1nNp1np/4P2Q/P3N3/1P2R3/3P1PPP/2R3K1 w - - bm Rxc6; c0 "Rxc6=10"; id "Source?_Corbti, Dann_HardPositions 2022, 237";
1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - bm Rxb3+; c0 "Rxb3+=10"; id "Source?_Corbit, Dann_HardPositions 2022, 238";
r1b4k/pp2qnr1/3p4/NP1Qp2p/P1B1PpP1/5P2/6P1/3R1RK1 b - - bm Qh4; c0 "Qh4=10"; id "Hovde-Timmerman, 25 Years Jubilee cr_?_repl, 239";
8/1k1n4/8/KP6/5p1p/6bP/4P1P1/3N1B2 w - - bm Kb4; c0 "Kb4=10"; id "Hergert, V.._?_1st HM Katsne_?_repl, 240";
3bK3/4p1kN/6P1/2p5/5R1R/2n5/8/3q4 w - - bm Nf8; c0 "Nf8=10"; id "Slumstrup Nielsen=S_(+3234.12, 1._?_repl, 241";
8/2pB2p1/p1np2Pb/1p1P1Rp1/2p2p1K/5k1P/2PP1P2/1b1R4 w - - bm Kh5; c0 "Kh5=10"; id "Gelly=M_(=0273.68h4f3)_Polish, 2._?_repl, 242";
4BQ2/Rn2b2q/8/2pK2n1/6pp/BR4p1/1N6/2k1rrN1 w - - bm Nd3+; c0 "Nd3+=10"; id "Aberman=V Zinar=M_(=4858.04d5, 3._?_repl, 243";
6Q1/PK1kn3/p1p2b2/1bb1b3/6p1/8/5b1b/8 w - - bm a8=B; c0 "a8=B=10"; id "Gatti=D_(=1093.13b7d7)_Best P, 4._?_repl, 244";
3N1B2/p2p4/n4p2/pK2p3/3kp3/1P2RPp1/3PP2p/b7 w - - bm Rd3+; c0 "Rd3+=10"; id "Popov=A_(=0144.48b5d4)_Zadach, 5._?_repl, 245";
8/p1p3p1/1p1kpp2/6Pp/3N1P2/5K2/7P/8 w - - bm g6; c0 "g6=10"; id "Formela=M_(=0001.37f3d6) U2_S, 6._?_repl, 246";
1Qbq4/2p2r2/2Rp2k1/P2PN3/4P3/6p1/6P1/6K1 b - - bm Kg7; c0 "Kg7=10"; id "SF_Lc0_CSS Stibi, 7._?_repl, 247";
k7/8/1Kp5/7p/3P1p2/8/1P4P1/8 w - - bm Kc7; c0 "Kc7=10"; id "Smyslov=V, You_(+0000.33b6a8)_?_repl, 248";
4N3/2pp4/5Bp1/2P5/1pPRP2p/b5pr/P3K1pk/3R3b w - - bm c6 Rg1; c0 "c6=10, Rg1=9"; id "Jan Timman_?_1/4 p. JT75 M. G, 9._?_repl, 249";
R7/5p1B/1p6/3pP3/6pp/7p/2N4p/1K5k w - - bm Ne3; c0 "Ne3=10"; id "Tarnopolsky=K_(+0111.17b1h1)_?_repl, 250";
k7/2p5/2K5/1PPP1B2/P2r3p/1P6/1p6/8 w - - bm d6; c0 "d6=10"; id "Mitrofanov=L Belyavsky=A_(+03_?_repl, 251";
k4B2/1p3p2/1P2P2R/7K/N1npp1pN/7q/2p5/3b2Q1 w - - bm Nb2; c0 "Nb2=10"; id "Jasik=A_(+4145.26h5a8)_1.p Pr, 14._?_repl, 252";
8/pp6/8/K1P5/1pk4p/6p1/PP1RP3/8 w - - bm c6; c0 "c6=10"; id "Wotawa=A_(+0100.45a5c4)_?_repl, 253";
8/pppp4/q2k1p2/3N2p1/8/P2PN3/P1BPPpP1/5K2 w - - bm Nb4; c0 "Nb4=10"; id "Somov Nasimovich=E_(+3012.67f, 16._?_repl, 254";
8/3p1p2/3p1p2/3pPp2/3pk3/6P1/2P1KP2/8 w - - bm e6; c0 "e6=10"; id "Akerblom=A_(+0000.47e2e4)_Ceskoslovensky Sach#137, 1";
8/1p4P1/bP6/rp4kN/rp6/bP6/1pP5/1K6 w - - bm Ng3; c0 "Ng3=10"; id "Mandinyan=R_(+0661.44b1g5)_pure62, 2";
1B4n1/p2Pp2q/4Pp2/bP3Pp1/6Pp/7k/4B3/7K w - - bm b6; c0 "b6=10"; id "ACT1-B.157";
1K5k/1p4pP/1p3bP1/1Pp5/2P1P3/8/2P1P1P1/8 w - - bm Ka7; c0 "Ka7=10"; id "ACT4.053";
1R6/p4p2/2k1pP2/2nr4/2p2P1P/1p4P1/1Pq5/1R2Q1K1 b - - bm Nd7; c0 "Nd7=10"; id "TTT2.086";
1b2b1BN/2r1pp1n/2qpR2p/r1Np1Rnk/p5p1/Q5Kp/8/4B3 w - - bm Qf3; c0 "Qf3=10"; id "ACT3.089";
1b2r1r1/5p1k/3pb1pB/2pnP1Q1/q2P1N2/p1P5/1p3PP1/1R2R1K1 w - - bm Re4; c0 "Re4=10"; id "TTT1.050";
1b3K2/1p6/P1P2pp1/kN2n3/8/P7/P7/8 w - - bm a7; c0 "a7=10"; id "ACT1-B.056";
1b6/r2p1k2/8/1R1b3R/8/1n1K4/8/1nB5 w - - bm Bb2; c0 "Bb2=10"; id "ACT1-B.057";
1k1r1b1r/ppnqp1pp/b3Rp2/4n3/2Pp1B2/N5PB/PP3P1P/3QNRK1 w - - bm Nd3 Nf3; c0 "Nd3=5, Nf3=5"; id "TTT1.014";
1k2b3/4p1rP/1P1pK3/1Pp2P2/Rp2P3/p2P4/2P5/b7 w - - bm Ra8+; c0 "Ra8+=10"; id "ACT1-B.012";
1k5b/p2K3P/P6p/p4pp1/1p6/4B3/2P5/8 w - - bm Bc1; c0 "Bc1=10"; id "ACT3.084";
1k5r/pbq2p2/4pP2/p1P3P1/5P1r/2p1Q3/P3B1P1/3R1RK1 w - - bm Rb1; c0 "Rb1=10"; id "TTT1.026";
1k6/1P2bp2/PpP1p2P/N2p4/2p5/1p4KP/2b1BpPn/5R2 w - - bm h7; c0 "h7=10"; id "ACT3.067";
1kb5/R7/1Pp4p/2N1pp2/2P2np1/2K5/P4r1P/3B4 b - - bm e4; c0 "e4=10"; id "ACT4.011";
1q1r4/pp1b1k1p/4pppP/Q2n4/1B1P4/1P3PP1/4R1K1/2R5 w - - bm Qxd5; c0 "Qxd5=10"; id "TTT2.061";
1qQ4r/p2Kpk2/5p2/1B2PPp1/6Pp/7P/P7/8 w - - bm Qxh8; c0 "Qxh8=10"; id "ACT3.033";
1qrr1b2/6p1/ppkn1P2/3pP3/1PP5/2BP1pP1/BQ3P2/1RRN1n1K b - - bm Be7; c0 "Be7=10"; id "TTT1.011";
1r3rk1/1pp2p2/1b1pbq2/p3n3/P2NP1pP/1BP1N3/1PQ2PP1/3R1RK1 b - - bm Bxd4; c0 "Bxd4=10"; id "TTT2.071";
1r4k1/3N2p1/8/P1q1p3/4P3/2p2RPP/4n1K1/Q7 b - - bm Qd4; c0 "Qd4=10"; id "TTT1.047";
1r4kb/4pr2/Qppp2q1/6p1/2PP1p2/P1N5/1P1RbPB1/R3B1K1 b - - bm Bh5; c0 "Bh5=10"; id "TTT2.060";
1r5k/5P1r/2pR2pp/7P/3P4/8/1B3K2/8 w - - bm Rd8+; c0 "Rd8+=10"; id "ACT1-B.021";
1r5k/6pp/p2P2Q1/p3p3/b6q/3B2P1/3P1R2/6K1 w - - bm Qf5; c0 "Qf5=10"; id "ACT5.054";
1r6/1b6/1P2k3/4Np2/2R2PpP/2K1p1P1/8/8 w - - bm Rc7; c0 "Rc7=10"; id "TTT2.008";
1r6/4rnpk/1p6/p1p1Pp1q/3p1P1P/1P1Q1RR1/P3N1P1/6K1 w - - bm Rg5; c0 "Rg5=10"; id "TTT2.024";
1rb2rk1/2q3pp/p2ppbP1/n1nB4/1p1NP2P/2N1B3/PPP1Q3/2KR2R1 w - - bm Nf5; c0 "Nf5=10"; id "TTT1.036";
1rk1br1q/1pbp1n2/5p2/4P3/PpQR1PPN/4R1p1/1PK4n/6B1 w - - bm Rc3; c0 "Rc3=10"; id "ACT2.045";
1rrb1n2/1q5k/p3pPbN/3pP1Q1/1pnP2P1/8/4RPB1/1R5K w - - bm f4; c0 "f4=10"; id "TTT1.012";
2B4n/p4p1P/n1p2Pp1/p1P3P1/P1q1NN2/4K3/P2P4/5k2 w - - bm Bxa6; c0 "Bxa6=10"; id "ACT4.087";
2B4n/p4p1P/r1p2Pp1/p1P3P1/P1q1NN2/4K3/3P4/5k2 w - - bm Bxa6; c0 "Bxa6=10"; id "ACT5.010";
2K5/4NB2/3k1B2/ppp2p2/2p1p1pp/6rr/2N5/8 w - - bm Ng6; c0 "Ng6=10"; id "ACT2.093";
2N3q1/pp1N4/5K2/7k/7P/3Q4/1P6/r7 w - - bm Ne7; c0 "Ne7=10"; id "ACT5.100";
2N3qk/1p6/1p4pr/6N1/8/pR2Q3/2pp2K1/4b3 w - - bm Ne7; c0 "Ne7=10"; id "ACT2.070";
2R3bk/K3p1rp/6pb/4B1p1/6P1/8/8/8 w - - bm Ra8; c0 "Ra8=10"; id "ACT2.069";
2b2B1r/3p4/pbpp4/5nR1/kp2p3/N2P1p1p/PPP3Nn/K7 w - - bm b3+; c0 "b3+=10"; id "ACT3.054";
2bR4/N3n1Pq/p2n1rB1/1PR2p2/KP1k4/3Ppr2/2Ppp3/4B3 w - - bm Bh4; c0 "Bh4=10"; id "ACT1-B.180";
2k5/1p2K3/1B6/8/8/P7/1N2b3/8 w - - bm Ba7; c0 "Ba7=10"; id "ACT5.075";
2k5/K1P1p3/1p1PpP2/2P5/4P3/8/pP6/8 w - - bm d7+; c0 "d7+=10"; id "ACT1-B.150";
2k5/Q1np1N2/2p2Bpp/1p1P4/pPP1p2P/P5q1/8/1K6 w - - bm Qxc7+; c0 "Qxc7+=10"; id "ACT4.035";
2k5/p2p4/1P6/P3p3/1q2N3/2p5/8/2K4Q w - - bm Nd6+; c0 "Nd6+=10"; id "ACT3.015";
2n1n1r1/1qp2R1B/bp4N1/1p1rP3/1p1b2p1/6R1/P2p1p2/3K1k1N w - - bm Nh4; c0 "Nh4=10"; id "ACT3.079";
2n3R1/5p2/P7/5P1k/4BK1p/2q3Pp/7P/8 w - - bm Rh8+; c0 "Rh8+=10"; id "ACT1-B.067";
2n5/6pB/6p1/2N2k1b/2NBprpK/P3ppP1/rP1P4/5n2 w - - bm Bxg7; c0 "Bxg7=10"; id "ACT2.053";
2nB1k2/6pp/3p2p1/n2K4/3Qp1N1/1Np4R/rb1p4/1Rq3r1 w - - bm Ke6; c0 "Ke6=10"; id "ACT2.074";
2nk4/6p1/2P5/1P6/p5K1/7p/1P5B/8 w - - bm Kf3; c0 "Kf3=10"; id "ACT5.096";
2r2rk1/1q3p2/3p2p1/2nPpPPp/ppR1P2P/5QN1/PP4K1/5R2 w - - bm Rxc5; c0 "Rxc5=10"; id "TTT1.091";
2r3k1/b5pp/3n4/p2Pp3/P3P2q/2NP1P1P/3Q1pK1/1R3R2 b - - bm h5; c0 "h5=10"; id "TTT1.018";
2r5/3Np2q/r5Rp/3p1p2/2pNkB1b/p3P3/K3B2p/8 w - - bm Nf3; c0 "Nf3=10"; id "ACT1-B.162";
2r5/pb2kp2/6r1/8/3p2pP/1P4P1/P1B2P2/2Q3K1 b - - bm Bf3; c0 "Bf3=10"; id "ACT4.065";
2rq1rk1/5p2/4pP1B/4P3/1pp3Pp/p2P4/4Q1P1/5R1K w - - bm Rf5; c0 "Rf5=10"; id "TTT1.037";
3B4/2p1PpP1/2P3pN/R2P3k/p3q3/8/P5pK/8 w - - bm e8=Q e8=R; c0 "e8=Q=7, e8=R=7"; id "ACT2.041";
3K1R2/8/8/4B2p/8/6pp/6kp/7b w - - bm Bb8; c0 "Bb8=10"; id "ACT2.023";
3R1nk1/6pr/3K1b1p/7P/4P1P1/p6B/P7/8 w - - bm g5; c0 "g5=10"; id "ACT4.004";
3bn3/p6b/2R5/R1pN4/2p4p/6kP/ppn3P1/6BK w - - bm Raa6; c0 "Raa6=10"; id "ACT1-B.176";
3k4/8/2p5/4P2P/2pp4/b7/P1B1K3/8 w - - bm Kf3 Bb1; c0 "Kf3=7, Bb1=7"; id "ACT5.062";
3k4/8/p4ppp/Pp1p4/1Pp2PPP/P1P5/8/3K4 w - - bm a4; c0 "a4=10"; id "ACT4.007";
3q2k1/1pr3pp/5P2/6pP/2p1B2r/4QP1P/R5bP/6K1 w - - bm Bd5+; c0 "Bd5+=10"; id "ACT2.049";
3r1k2/pp4pp/5p2/3P1R2/5P2/1PP4P/5P2/1K6 b - - bm Rd6 b6; c0 "Rd6=7, b6=5"; id "ACT4.024";
3r1rk1/1bqn1pp1/1p1bp3/p1n1N1PQ/2PB4/1PN5/3R1P1P/3R2K1 w - - bm Rd3; c0 "Rd3=10"; id "TTT1.033";
4B3/1pk1p3/q3p3/1nP1Pp2/PPQ2P2/PK2P3/4b3/8 w - - bm Qxb5; c0 "Qxb5=10"; id "ACT3.021";
4N3/pp3np1/6Rn/4p1pr/1P1p4/1K3p1p/1b3R2/1k6 w - - bm Rf1+; c0 "Rf1+=10"; id "ACT1-B.160";
4R3/4P1Pp/2p1p3/7p/2p1B1rk/6p1/7p/5K2 w - - bm Bh1; c0 "Bh1=10"; id "ACT4.010";
4k3/2p4p/8/p2n1p2/5P1P/4BP2/1PN1K1nP/8 b - - bm Ngxe3 Ndxe3; c0 "Ngxe3=5, Ndxe3=5"; id "ACT3.055";
4k3/5pBr/4b1pP/3pP1P1/2Pp4/P7/1PP5/1K6 w - - bm cxd5; c0 "cxd5=10"; id "TTT1.078";
4n1k1/8/1b1P3P/1qB3Np/6PK/7Q/p2p1p2/8 w - - bm h7+; c0 "h7+=10"; id "ACT5.049";
4n3/8/8/8/4pNp1/8/1p2K1pk/B2Q3b w - - bm Nh3; c0 "Nh3=10"; id "ACT3.005";
4r3/1ppk2p1/3pr2p/5B2/p3RP2/2P5/P2P2PP/7K w - - bm c4; c0 "c4=10"; id "TTT2.090";
5B2/2Q1p3/6R1/1Pr5/2n5/8/4P1bp/3K2kq w - - bm Qf4; c0 "Qf4=10"; id "ACT5.038";
5B2/8/Q2pq2p/2p3p1/5p1k/2P1nP1P/P5PK/8 b - - bm h5; c0 "h5=10"; id "ACT2.066";
5K1k/rp6/8/3Pppp1/4p1p1/3p4/5p2/1Q1n4 w - - bm Qb6; c0 "Qb6=10"; id "ACT3.017";
5K2/1Pk5/1pP4n/8/2Np3b/4pB2/8/8 w - - bm Ne5; c0 "Ne5=10"; id "ACT1-B.044";
5K2/kp3P1p/2p5/2Pp4/3P4/r7/p7/6R1 w - - bm Ke7 Ke8; c0 "Ke7=5, Ke8=5"; id "TTT2.010";
5KR1/QB4pk/P2p3B/1p5p/3b4/5nPp/q2pp3/7n w - - bm Rh8+; c0 "Rh8+=10"; id "ACT1-B.084";
5Kbk/4B1pp/3N1R2/p3P2n/3P2p1/2P2p2/1P1pP1r1/1B4n1 w - - bm Rh6; c0 "Rh6=10"; id "ACT2.047";
5b2/8/q3n3/4k3/7R/1p4R1/bP2P2B/K7 w - - bm Ra4; c0 "Ra4=10"; id "ACT2.021";
5bb1/8/P1p1P3/BN2p1p1/1p4P1/pK1P1p2/P2R4/4r2k w - - bm Nd4; c0 "Nd4=10"; id "ACT3.010";
5brk/2p1p1p1/4P1p1/3K2P1/2p5/8/2P5/1B6 w - - bm c3; c0 "c3=10"; id "ACT3.022";
5k1q/1rp2P2/1p3p2/1P1N4/5K2/1P3PQ1/8/8 w - - bm Qg8+; c0 "Qg8+=10"; id "ACT4.062";
5k2/3b4/8/5PQ1/1KPP1PpP/PP5p/2R5/3q4 b - - bm Qe1+; c0 "Qe1+=10"; id "ACT2.024";
5k2/p7/3p4/1p1B1p1p/1P3P2/P1rP3P/6P1/n1BK4 w - - bm Bb2; c0 "Bb2=10"; id "TTT2.040";
5r1k/p2b1pR1/3p3B/2p1pP2/4P2q/8/PPP5/1K3Q1n w - - bm Qg1; c0 "Qg1=10"; id "TTT1.052";
5r2/NBk4P/8/8/1P2K3/pp6/1p6/1N6 w - - bm Bd5; c0 "Bd5=10"; id "ACT5.095";
5rqk/4R2p/5Pp1/1p4P1/4Q3/2p3P1/6K1/8 w - - bm Qe5 Qc6 Qb7 Kg1; c0 "Qe5=2, Qc6=2, Qb7=2, Kg1=2"; id "TTT1.064";
6B1/2N5/1n6/8/6p1/3b2p1/3K1prp/5kbQ w - - bm Na8; c0 "Na8=10"; id "ACT2.090";
6K1/1N1N4/6p1/5p1p/1k6/1p1p4/1PP5/2B1q2B w - - bm Bd2+; c0 "Bd2+=10"; id "ACT3.063";
6N1/8/2ppr3/2pNp3/2k5/5P2/1PP1K3/8 w - - bm b3+; c0 "b3+=10"; id "ACT2.009";
6bk/8/5R2/8/7p/5NpP/4p1P1/5rBK b - - bm Kh7 Kg7; c0 "Kh7=10, Kg7=2"; id "ACT3.060";
6k1/1N1p3p/8/4N3/r2pp1K1/p3p1B1/p1p5/6R1 w - - bm Bf4; c0 "Bf4=10"; id "ACT1-B.091";
6k1/5pp1/7p/pBP5/P5K1/1P4P1/3Q1PbP/2r1r3 b - - bm Rcd1; c0 "Rcd1=10"; id "TTT2.062";
6k1/6pp/2b5/P6p/3P1B1P/5PK1/8/8 w - - bm Bh6; c0 "Bh6=10"; id "ACT3.095";
6k1/8/ppp2pP1/4P1p1/7p/PPP1K3/8/8 w - - bm e6; c0 "e6=10"; id "ACT3.093";
6k1/P7/1n5P/p1p1K3/8/1p6/1N6/8 w - - bm Ke6 Kf6; c0 "Ke6=5, Kf6=5"; id "ACT4.009";
6k1/ppp2pp1/8/1n1P4/3N2P1/2P5/P4P1P/6K1 b - - bm Nxd4; c0 "Nxd4=10"; id "TTT2.098";
6nN/2p5/P1k2b2/2Bpp3/8/3bR3/8/K7 w - - bm Rxd3; c0 "Rxd3=10"; id "ACT4.084";
6r1/ppk2p1p/2b5/2R1pPP1/4P2P/8/4BK2/8 w - - bm Bc4; c0 "Bc4=10"; id "TTT1.092";
6rk/2p1np2/1r1pb3/1p2p3/p1PPP1p1/1P2N1Pq/P1BQRP2/3R2K1 w - - bm Nf1; c0 "Nf1=10"; id "TTT2.085";
6rk/4qpr1/1b1p4/pp2p3/P3Pp2/2pR1Np1/P1B2PPN/3Q1R1K b - - bm Rh7; c0 "Rh7=10"; id "TTT1.071";
6rq/6p1/pQp1p1p1/P1p1P2p/p1Pk3B/N7/3K4/1b5n w - - bm Nc2+; c0 "Nc2+=10"; id "ACT1-B.094";
7k/2p3pp/4pP2/4pb2/3p4/B2N2P1/3Pq1PQ/6K1 w - - bm Qh6; c0 "Qh6=10"; id "ACT1-B.053";
7k/6R1/8/8/2P2P2/P7/pP6/3K3B w - - bm Rh7+; c0 "Rh7+=10"; id "ACT2.038";
7k/8/7K/p1n1p1p1/B7/4N1p1/5B2/8 w - - bm Bg1; c0 "Bg1=10"; id "ACT5.064";
7k/8/pp2p1p1/bN1p2pb/1p4p1/1P6/6P1/4K2R w - - bm g3; c0 "g3=10"; id "ACT4.051";
7k/R7/7p/p7/2B5/K7/PPp5/3b4 w - - bm Bg8; c0 "Bg8=10"; id "ACT3.019";
7k/n4p1b/2R1PP2/8/8/2B2r1n/pK6/8 w - - bm Rc8+; c0 "Rc8+=10"; id "ACT3.043";
7k/pp6/2r2n2/4p1PN/1K2p1P1/1P1PP3/5PB1/8 b - - bm Nxh5; c0 "Nxh5=10"; id "ACT3.100";
Peter.
Hai
Posts: 689
Joined: Sun Aug 04, 2013 1:19 pm

Re: Recommendation for difficult test suite

Post by Hai »

Dann Corbit wrote: Thu May 08, 2025 5:11 pm These are the three engines by Eduard that solve 110/120:
Big Leptir 260224
Rems M-091024
Sun 15
Like Crystal, they retain strong playing ability. The Huntsman, another good solver, is not good at actually playing chess.
Are these engines better than Stockfish on notebooks?
Or better when both runs on 2x AMD EPYC 9965 hardware?
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Recommendation for difficult test suite

Post by Dann Corbit »

I test with AMD 3970x with SMT turned off and I use 30 out of 32 cores.
I have 128GB RAM, but use only 16GB hash for the test.
I run at 60 seconds per posiion.
I have friends with lesser hardware who get proportional results, but obviously less solutions in the allotted 60 seconds per position.
For testing GPU programs like LC0 I have two Nvidia 2080 Super cards that are water cooled.

I do not know how chess programs would perform on a low end laptop because I do not test at fast time control like 1 second per position.
I perform the testing for myself and a select group of friends so that I can determine which engines are best for tactical position analysis.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
peter
Posts: 3393
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Recommendation for difficult test suite

Post by peter »

New version of the 256 and a list of MultiPV=4 as well as MulltiPV=1 runs with 6 threads of the 16x3.5GHz CPU (5 concurrencies) and 1G hash, the 3070ti GPU and 1G NN- cache, 30"/position.

Code: Select all

1B1K1k2/4N2p/3pP1pP/6p1/p7/3N2b1/2r2p2/8 w - - bm Nc6; c0 "Nc6=10"; id "HTC114, 1";
1B1r4/rp2npkp/2b1pbp1/1qp5/nPN1R3/1P1P1QP1/2P2PBP/5R1K w - - bm Qxf6+; c0 "Qxf6+=10"; id "HTC114, 2";
1N4K1/1pp1p3/7k/2r3pP/p2pp1P1/P6N/8/2B5 w - - bm Nc6; c0 "Nc6=10"; id "HTC114, 3";
1k6/3p4/1B6/4Pp1p/1p5R/1p4p1/pP3n2/K6n w - - bm Rxh1; c0 "Rxh1=10"; id "HTC114, 4";
1nb3rr/2pp3p/p1k2P2/n1q1PN2/P1pR3N/b4PBp/1R2P3/1KQ5 w - - bm Rd6+; c0 "Rd6+=10"; id "HTC114, 5";
1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - - bm Rxf6; c0 "Rxf6+=10"; id "HTC114, 6";
1r1q1rk1/1p2b2p/pN6/P1pP1bp1/5p2/2B2Q2/1P4PP/R4RK1 w - - bm g4; c0 "g4=10"; id "HTC114, 7";
1r1rb1k1/5ppp/4p3/1p1p3P/1q2P2Q/pN3P2/PPP4P/1K1R2R1 w - - bm Rxg7+; c0 "Rxg7+=10"; id "HTC114, 8";
1r2kb1r/p5p1/1np1p1N1/3pPnB1/1p1P2B1/qP6/2PQ1P1P/1K1R3R b k - bm Nc4; c0 "Nc4=10"; id "HTC114, 9";
1r3r2/4bpkp/1qb1p1p1/3pP1P1/p1pP1Q2/PpP2N1R/1Pn1B2P/3RB2K w - - bm Qf6+; c0 "Qf6+=10"; id "HTC114, 10";
1r3rk1/3bbppp/1qn2P2/p2pP1P1/3P4/2PB1N2/6K1/qNBQ1R2 w - - bm Bxh7+; c0 "Bxh7+=10"; id "HTC114, 11";
1r3rk1/5p1p/p2pb1p1/3Np1P1/2pRPR2/qP2Q1N1/P1PK3P/8 w - - bm Nf5; c0 "Nf5=10"; id "HTC114, 12";
1r4k1/pb3p1p/r1p1p1p1/2p1P3/P1P2P2/1PB5/2K3PP/5R2 w - - bm a5; c0 "a5=10"; id "HTC114, 13";
1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - bm Rxb3+; c0 "Rxb3+=10"; id "HTC114, 14";
1rb1qrk1/2b2pp1/p3pBn1/3pP1Pp/1ppP4/2P1QN2/PP3P1P/R2BR1K1 w - - bm Nh4; c0 "Nh4=10"; id "HTC114, 15";
1rbq1r1k/7p/2np2p1/p2N1p2/R1B1PP1b/1PP1N3/8/3Q1K1R w - - bm Ra2; c0 "Ra2=10"; id "HTC114, 16";
1rbq1rk1/1p2ppbn/p2p2p1/P1pP4/4P3/2PB1N2/2P3PP/R1B1QRK1 w - - bm e5; c0 "e5=10"; id "HTC114, 17";
2R5/k1p1p1K1/P1p1Pp2/5P2/7P/pB6/2p5/2r5 w - - bm Rxc7+; c0 "Rxc7+=10"; id "HTC114, 18";
2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - bm f6; c0 "f6=10"; id "HTC114, 19";
2b3r1/1p1p2pk/2nBp2p/2P1Ppq1/R7/4QBPP/5P2/5K2 w - - bm Qxg5; c0 "Qxg5=10"; id "HTC114, 20";
2bk2r1/5q2/1p2pP1Q/pP1pP1P1/P2P4/8/2RK4/8 w - - bm Kc1; c0 "Kc1=10"; id "HTC114, 21";
2k2Br1/p6b/Pq1r4/1p2p1b1/1Ppp2p1/Q1P3N1/5RPP/R3N1K1 b - - bm Rf6; c0 "Rf6=10"; id "HTC114, 22";
2q2r1k/p1p1b1pp/br1p1n2/2p1N1BP/Q1P1P3/8/PP1N1PP1/2KR3R w - - bm Ng6+; c0 "Ng6+=10"; id "HTC114, 23";
2r2bk1/pNq3p1/2Pp3p/1p1Prp2/1P2p1P1/6Q1/P4P1P/2RR2K1 w - - bm Qxe5; c0 "Qxe5=10"; id "HTC114, 24";
2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - bm Rf4; c0 "Rf4=10"; id "HTC114, 25";
2r2rk1/1bpR1p2/1pq1pQp1/p3P2p/P1PR3P/5N2/2P2PPK/8 w - - bm Kg3; c0 "Kg3=10"; id "HTC114, 26";
2r2rk1/2q2p1p/p1p1nPpQ/3p4/4p1B1/8/PPP3PP/R4R1K w - - bm Rf5; c0 "Rf5=10"; id "HTC114, 27";
2r4r/3n1pk1/pq1p1bp1/3B4/1p2P1N1/7P/PP1Q1PK1/3RR3 w - - bm Bxf7; c0 "Bxf7=10"; id "HTC114, 28";
2r5/prkpR1p1/2p1ppK1/P1p1N1B1/P1P1P3/8/8/8 w - - bm Bf4; c0 "Bf4=10"; id "HTC114, 29";
3B4/1r2p3/r2p1p2/bkp1P1p1/1p1P1PPp/p1P1K2P/PPB5/8 w - - bm Ba4+; c0 "Ba4+=10"; id "HTC114, 30";
3b2n1/1q3p1k/6pp/np2N3/2bBPN2/1pP4P/4QPP1/1B4K1 w - - bm Nexg6; c0 "Nexg6=10"; id "HTC114, 31";
3k4/4pp2/n2n4/5BN1/3N4/b7/4K3/8 w - - bm Nxf7+; c0 "Nxf7+=10"; id "HTC114, 32";
3kB3/5K2/7p/3p4/3pn3/4NN2/8/1b4B1 w - - bm Nf5; c0 "Nf5=10"; id "HTC114, 33";
3q1r1k/6rp/3p4/P2Pbp1Q/N3Pp1n/2P5/P1B2RPP/R6K b - - bm f3; c0 "f3=10"; id "HTC114, 34";
3rqbk1/2p3p1/b6p/Q1p5/2N1PP2/1P1P2P1/2P4P/5R1K b - - bm Bc8; c0 "Bc8=10"; id "HTC114, 35";
4B3/1Pb4p/8/4p1k1/3p1p2/5K2/2P5/8 b - - bm e4+; c0 "e4+=10"; id "HTC114, 36";
4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - bm f4; c0 "f4=10"; id "HTC114, 37";
4K2k/1pQp3p/1R4p1/1P4P1/8/3P3P/1q3r2/8 w - - bm Qd8; c0 "Qd8=10"; id "HTC114, 38";
4b1k1/P4pPp/1R3P1P/2r5/8/1P6/1K6/8 w - - bm a8=B; c0 "a8=B=10"; id "HTC114, 39";
4b3/7p/4k3/B4pPP/5K2/P4P2/8/8 w - - bm g6; c0 "g6=10"; id "HTC114, 40";
4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - bm Kc8; c0 "Kc8=10"; id "HTC114, 41";
4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - bm Qxe5; c0 "Qxe5=10"; id "HTC114, 42";
4r1rk/p3qpp1/1pnp1n1p/5P2/P1PPP3/4Q2P/2BB2R1/6RK w - - bm Rxg7; c0 "Rxg7=10"; id "HTC114, 43";
5k2/8/pppppppp/8/PPPPPPPP/8/8/5K2 w - - bm d5; c0 "d5=10"; id "HTC114, 44";
5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - bm c8=N; c0 "c8=N=10"; id "HTC114, 45";
5rk1/pp3p1p/7b/2pR4/8/2P4P/P1PNr1P1/2K4R b - - bm Rxd2; c0 "Rxd2=10"; id "HTC114, 46";
6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - bm Bf8+; c0 "Bf8+=10"; id "HTC114, 47";
6br/1KNp1n1r/2p2p2/P1ppRP2/1kP3pP/3PBB2/PN1P4/8 w - - bm Bxc5+; c0 "Bxc5+=10"; id "HTC114, 48";
6k1/1qr1p2p/ppN5/3p1N2/6p1/1P1P2Pp/PP2PP1P/2RK4 w - - bm Ncxe7+; c0 "Ncxe7+=10"; id "HTC114, 49";
6k1/8/1pK4p/bPp5/8/1P6/P1B2P2/8 w - - bm b4; c0 "b4=10"; id "HTC114, 50";
6k1/p7/8/4B3/Pp3p1P/qP5P/P1Rb2K1/8 w - - bm Kf3; c0 "Kf3=10"; id "HTC114, 51";
6k1/ppn2p2/8/2P2P1p/1P2K3/2N5/P7/8 w - - bm Nd5; c0 "Nd5=10"; id "HTC114, 52";
6r1/6r1/2p1k1pp/p1pbP2q/Pp1p1PpP/1P1P2NR/1KPQ3R/8 b - - bm Qf5; c0 "Qf5=10"; id "HTC114, 53";
7k/4PBNp/7P/2p5/2P5/2rq2Pp/1P3P1K/8 b - - bm Qxg3+; c0 "Qxg3+=10"; id "HTC114, 54";
7k/pp2Np1p/2p2P1N/5pP1/7K/P4n2/1q3Q2/5n2 w - - bm Kh5; c0 "Kh5=10"; id "HTC114, 55";
8/1B3b1p/7P/p2p4/P2pp1kp/Q7/1N1Pq2P/7K w - - bm Qh3+; c0 "Qh3+=10"; id "HTC114, 56";
8/1p1pNpbk/1q1P4/pP2p2K/P3N3/4P1P1/3P4/8 w - - bm Nc8; c0 "Nc8=10"; id "HTC114, 57";
8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - bm Bh5+; c0 "Bh5+=10"; id "HTC114, 58";
8/2p1q3/p3P3/2P4p/1PBP2kP/2N3P1/7K/8 w - - bm Be2+; c0 "Be2+=10"; id "HTC114, 59";
8/2pN1k2/p4p1p/Pn1R4/3b4/6Pp/1P3K1P/8 w - - bm Ke1; c0 "Ke1=10"; id "HTC114, 60";
8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - bm Nf6+; c0 "Nf6+=10"; id "HTC114, 61";
8/3ppp1p/3P4/4N3/8/3n1pKp/8/7k w - - bm Nxd3; c0 "Nxd3=10"; id "HTC114, 62";
8/4nk2/1p3p2/1r1p2pp/1P1R1N1P/6P1/3KPP2/8 w - - bm Nd3; c0 "Nd3=10"; id "HTC114, 63";
8/4nk2/1p3p2/2rp2pp/1P1R1N1P/6P1/3KPP2/8 b - - am Rb5; c0 "Rb5=10"; id "HTC114, 64";
8/5p2/N1p3p1/3pP1P1/7P/2kP4/Pb6/7K w - - bm h5; c0 "h5=10"; id "HTC114, 65";
8/6pp/1K6/N5P1/3N4/8/npn1P3/k7 w - - bm Nab3+; c0 "Nab3+=10"; id "HTC114, 66";
8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - bm Bh3; c0 "Bh3=10"; id "HTC114, 67";
8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - - bm Ng2; c0 "Ng2=10"; id "HTC114, 68";
8/bp4Pk/4KB2/R6p/2pNp1P1/p7/3p1Pnq/2r5 w - - bm Nc6; c0 "Nc6=10"; id "HTC114, 69";
8/p3N3/1n3N2/2n3pP/pkP5/8/3P4/K7 b - - bm Nxc4; c0 "Nxc4=10"; id "HTC114, 70";
8/p7/qkpN1p2/8/1B1P4/PP3K2/5P2/8 w - - bm Ba5+; c0 "Ba5+=10"; id "HTC114, 71";
N7/8/2KQ2rp/6k1/3p3p/2p4P/4PP2/5N2 w - - bm f4+; c0 "f4+=10"; id "HTC114, 72";
Nq3n1k/8/P1p2Npp/2Kp3R/pp6/n3p3/8/4Q3 w - - bm Nc7; c0 "Nc7=10"; id "HTC114, 73";
br1r2k1/5pp1/R6p/2pN4/P1P1q3/2P1p1P1/P3P2P/3RQ1K1 b - - bm Qxc4; c0 "Qxc4=10"; id "HTC114, 74";
k7/p1pR4/1p3p2/2P2rpB/PbP4p/2N1p2p/KP6/8 w - - bm Bf3+; c0 "Bf3+=10"; id "HTC114, 75";
n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - bm Bc7; c0 "Bc7=10"; id "HTC114, 76";
q7/7R/k7/1p6/1p6/1P2B3/7K/8 w - - bm Bd4; c0 "Cd4=10"; id "HTC114, 77";
r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/8/PPP1QPP1/2KR3R w - - bm Rd8; c0 "Rd8=10"; id "HTC114, 78";
r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/P7/1PP1QPP1/2KR3R w - - bm Rd8; c0 "Rd8=10"; id "HTC114, 79";
r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4; c0 "Nd4=10"; id "HTC114, 80";
r1b3k1/ppp1q1pp/2n1p3/3pP2P/8/2NB2Q1/PPP3P1/2K2R2 w - - bm Bg6; c0 "Bg6=10"; id "HTC114, 81";
r1b3k1/ppppn1pp/4n1q1/8/5P2/2N1B3/PPP3QP/3R1RK1 w - - bm f5; c0 "f5=10"; id "HTC114, 82";
r1bq1b1r/pp1pp1pp/2n1k3/8/4nQ2/N1p1BN1P/PP3PP1/R3K2R w KQ - bm Nb5; c0 "Nb5=10"; id "HTC114, 83";
r1bq1rk1/1p1nbppp/p3p3/2ppP3/5B1P/2PBP3/PP1N1PP1/R2QK2R w - - bm Bxh7+; c0 "Bxh7+=10"; id "HTC114, 84";
r1bq1rk1/pp2b2p/2p1pppQ/8/1n1PN2P/3B1N2/PPP2PP1/2KR3R w - - bm Neg5; c0 "Neg5=10"; id "HTC114, 85";
r1br2k1/1p1nqppp/p1p1pn2/3p4/1bPP4/PPN1PN2/2BB1PPP/R2Q1RK1 b - - am Bxa3; c0 "Bxa3=10"; id "HTC114, 86";
r1n2N1k/2n2K1p/3pp3/5Pp1/b5R1/8/1PPP4/8 w - - bm Ng6+; c0 "Ng5+=10"; id "HTC114, 87";
r2q1r2/1b2bpkp/n3p1p1/2ppP1P1/p6R/1PN1BQR1/NPP2P1P/4K3 w - - bm Qf6+; c0 "Qf6+=10"; id "HTC114, 88";
r2q1r2/1b2bpkp/p3p1p1/2ppP1P1/7R/1PN1BQR1/1PP2P1P/4K3 w - - bm Qf6+; c0 "Qf6+=10"; id "HTC114, 89";
r2r2k1/pqp1bppp/1pn1pn2/8/2NP1B2/2N1P1P1/PPQ2P1P/R4RK1 b - - bm Rxd4; c0 "Rxd4=10"; id "HTC114, 90";
r3kb1r/4Pp2/pn3P2/1pp3B1/2p5/2N3P1/PP3P1P/3RKB1b w - - bm h4; c0 "h4=10"; id "HTC114, 91";
r3r1k1/1b1n1pbp/pq1p2p1/1pp1P3/3P1B2/nP1B1NNP/P4PP1/R2QR1K1 w - - bm Nh5; c0 "Nh5=10"; id "HTC114, 92";
r3r1k1/1b1nbp1p/1qn1p3/1p1pPp2/p2P4/P2BNN2/1P1Q1BPP/R4RK1 w - - bm Ng4; c0 "Ng4=10";; id "HTC114, 93";
r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - bm Bg4; c0 "Bg4=10"; id "HTC114, 94";
r3r2k/1pq2pp1/4b2p/3pP3/p1nB3P/P2B1RQ1/1PP3P1/3R3K w - - bm Rf6; c0 "Rf6=10"; id "HTC114, 95";
r4rk1/1bq1bppp/p1npp3/2nB1NP1/1p2P3/2N1B3/PPP1QP1P/2KR2R1 w - - bm Qh5; c0 "Qh5=10"; id "HTC114, 96";
r4rk1/4bppp/bq2p3/npnpP3/p2B1P2/P1PB1N2/1P2QNPP/R4RK1 w - - bm Bxh7+; c0 "Rxh7+=10"; id "HTC114, 97";
r5k1/6b1/2Nq4/2pP1p2/p1P1pPr1/Pp6/3R2PQ/1K3R2 b - - bm e3; c0 "e3=10"; id "HTC114, 98";
r5k1/p1pb2bp/3p3r/P1pPp1p1/2B1Pq2/1R2QPp1/1P4PP/5RBK b - - bm Rxh2+; c0 "Rxh2+=10"; id "HTC114, 99";
r5rk/1bq1bpp1/1p1ppn1p/pP5P/2P1P3/P1N2P2/1B1Q1P2/1K1R1BR1 w - - bm Nd5; c0 "Nd5=10"; id "HTC114, 100";
r7/1QP1N1Kp/pn2P1b1/Nnk2p2/7p/p4BP1/1rPPp2q/8 w - - bm Nd5; c0 "Nd5=10"; id "HTC114, 101";
r7/1q1r1p1k/3p1Qpp/pbpP4/1nB1P1P1/1P3NBP/5P1K/4R3 w - - bm Bf4; c0 "Bf4=10"; id "HTC114, 102";
rn2kr2/1pp1b1p1/4p3/1Pp1P2p/p1P1NP1P/P7/1B4P1/3RR1K1 w - - bm g3; c0 "g3=10"; id "HTC114, 103";
rnb2rk1/1pq1bppp/p3p3/2npP1P1/3N1P2/2NBB3/PPP4P/R2QK2R w KQ - bm Bxh7+; c0 "Bxh7+=10"; id "HTC114, 104";
rnbq1rk1/p3bp2/2p1p1p1/1p1nP1P1/2pP1P2/2N5/PP4P1/RBBQK2R w KQ - bm Bd2; c0 "Bd2=10"; id "HTC114, 105";
rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - bm Qh5+; c0 "Qh5+=10"; id "HTC114, 106";
rnbqk2r/p4p2/2p1p3/1p2N1pp/PbpPn2P/2N1P1B1/1P3PP1/R2QKB1R w KQkq - bm Qf3; c0 "Qf3=10"; id "HTC114, 107";
rqn2rk1/1p2ppb1/p1b3pp/2R1P1N1/8/4BB1Q/3R1PPP/6K1 w - - bm Nxf7; c0 "Nxf7=10"; id "HTC114, 108";
5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KBN2/7P/8 w - - bm Nxg5;  c0 "Nxg5=10"; id "ENET-2025 002 (ERET 004)_Endspiel L&S vs L&S_Nxg5, Anand-Shirov, Advanced Chess 2000, 2";
8/6N1/3kNKp1/3p4/4P3/p7/P6b/8 w - - bm exd5; c0 "exd5=10"; id "ENET-2025 015 (ERET 038)_Endspiel S&S vs L&B_exd5, Garcia 2000, 15";
2r5/3k1p2/1pnb1p2/p2p1r1p/3p3P/PP1N2P1/1BR1PP2/3R1K2 w - - bm f4; c0 "f4=10"; id "ENET-2025 021 (Onlinegame)_Lc0 vs Stockfish_f4! Lc0 vs Stockfish, Onlinegame, 21";
2b1r3/5pkp/6p1/4P3/QppqPP2/5RPP/6BK/8 b - - bm c3; c0 "c3=10"; id "ENET-2025 022 (ERET 054)_Endspiel D&T&L vs D&T&L_c3, Jussupow-Kasparov, Linares 1990, 22";
8/2P1P3/b1B2p2/1pPRp3/2k3P1/P4pK1/nP3p1p/N7 w - - bm e8=N; c0 "e8=N=10"; id "ENET-2025 037 (ERET 089)_Unterverwandlung_e8N, Rumaenien 1977, 37";
8/8/4p1Pk/1rp1K1p1/4P1P1/1nP2Q2/p2b1P2/8 w - - bm Kf6; c0 "Kf6=10"; id "ENET-2025 043 (ERET 096)_Endspiel D vs T&L&S_Kf6, Sochnev 2009, 43";
rn3r1k/pn1p1ppq/bpp4p/7P/4N1Q1/6P1/PP3PB1/R1B1R1K1 w - - bm Bg5; c0 "Bg5=10"; id "ENET-2025 045_AlphaZero vs Stockfish_Bg5, 45";
1br2rk1/4q1p1/p3pn1p/Ppp1N3/1P2Pn2/4R1NP/1B1R1PP1/3Q2K1 b - - bm Qb7; c0 "Qb7=10"; id "ENET-2025 046_Ollinegame beste Verteidigung_Qb7, 46";
2brrbk1/qp1n1ppp/pnp5/4p3/1PR5/PN1P1NPP/4PPB1/B1Q1R1K1 w - - bm Re4; c0 "Re4=10"; id "ENET-2025 047_Mittelspiel_Re4, 47";
8/1pn2pp1/5k1p/RBr5/P7/P6P/5PPK/8 b - - bm Na6; c0 "Na6=10"; id "ENET-2025 048_Onlinegame Stockfish vs Lc0_Na6, 48";
4r3/2p3kp/R1Pp1q2/3P2p1/1P2rp2/7P/1Q3RP1/6K1 w - - bm Qxf6+; c0 "Qxf6+=10"; id "ENET-2025 049_Onlinegame Beste Verteidigung_Qxf6!, 49";
r3r1n1/2p2ppk/1qppb2p/2b2N1N/p2pP3/2P2Q1P/PP3PP1/R1B1R1K1 b - - bm Bxf5; c0 "Bxf5=10"; id "ENET-2025 050_Onlinegame_Bxf5 (dxc3?), 50";
5b2/5k1p/1pb2pp1/1r1p4/3P1B1P/P7/1P3PP1/2R3K1 w - - bm b4; c0 "b4=10"; id "ENET-2025 051_Lc0 vs Stockfish, Onlinegame_b4!, 51";
r4rk1/pb1qbppp/1p2pn2/2np4/2PN4/1P2P3/PBBNQPPP/2RR2K1 b - - bm Rfc8; c0 "Rfc8=10"; id "ENET-2025 052_Onlinegame Best move_Rfc8, 52";
r1b2rk1/pp5p/1n2pp2/3p4/2P2B2/b1P2NPq/P1Q1BP1P/1K1R3R w - - bm g4; c0 "g4=10"; id "ENET-2025 053_Onlinegame_g4!, 53";
2kr4/pp1n1pBp/3bp1p1/3p2qP/P7/3B1K2/1PP2P2/R2Q1R2 b - - bm f6; c0 "f6=10"; id "ENET-2025 054_Online Engine game Solista_f6!, 54";
r1b2rk1/1p1n1ppp/1qn5/p2pP3/Pb1p4/1N1B1N1P/1P3PP1/R1BQR1K1 w - - bm Bxh7+; c0 "Bxh7+=10"; id "ENET-2025 055_Online engine game_Bxh7+!, 55";
r4rk1/1b4pp/4pq2/PB2n3/3N1Pn1/1PN3K1/1B2Q1P1/R4R2 b - - bm Qh6; c0 "Qh6=10"; id "ENET-2025 056_Dorsz, Stockfish v Blue Marli_Qh6!, 56";
r3r2k/p1pq3p/R3bppN/2P5/1p1pP1P1/3P4/2P2P1P/3Q2RK b - - bm Qe7; c0 "Qe7=10"; id "ENET-2025 057_Taktik, Verteidigung_Qe7, 57";
7k/3q1pp1/1p3r2/p1bP4/P1P2p2/1P2rNpP/2Q3P1/4RR1K b - - bm Rxf3; c0 "Rxf3=10"; id "ENET-2025 059_Turmopfer_Rxf3!, 59";
3r1rk1/pbq1bp1p/1n1Rp1p1/2p1P1N1/4N2P/1P3Q2/PB3PP1/K6R w - - bm h5; c0 "h5=10"; id "ENET-2025 061_Königsangriff_h5!, 61";
1nrq1rk1/1Q3ppp/p1pbpn2/8/1P1PP3/P4NP1/3N1P1P/R1B2BK1 b - - bm Re8; c0 "Re8=10"; id "ENET-2025 068_Mittelspiel_Re8!, 68";
r1b2rk1/pp1n1ppp/4p3/3pP3/1bPNnB1q/2NB2P1/PPQ2P1P/R3K2R b KQ - bm Qh5; c0 "Qh5=10"; id "ENET-2025 069_Damenausfall_Qh5!, 69";
1k1r3r/1p2q3/3p2p1/1NnP1p1p/4nR2/Q7/P1P1B1PP/2KR4 w - - bm Qa5; c0 "Qa5=10"; id "ENET-2025 070_Königsangriff_Qa5!, 70";
2kr3r/qp1n1p2/p2p2p1/N2Pn2p/1P3Q1P/7R/P1P1B1P1/2KR4 w - - bm Ra3; c0 "Ra3=10"; id "ENET-2025 071_Angriff_Ra3!, 71";
1rbq1r1k/5p1p/2np2p1/p2Np1b1/R1B1P3/1PP1N3/5PPP/3QK2R w K - bm h4; c0 "h4=10"; id "ENET-2025 072_Spieloeffnung_h4!, 72";
r2q1rk1/1b3p2/p3pQp1/1pnpP1Pp/P2N4/3B4/2P2PP1/1R2R1K1 b - - bm Ne4; c0 "Ne4=10"; id "ENET-2025 073_Mittelspiel Entlastung_Ne4!, 73";
r4r2/pppb1kpQ/3bnp1p/1P1p3q/P2P4/R4N1P/2B2PP1/2B1R1K1 b - - bm Rfe8; c0 "Rfe8=10"; id "ENET-2025 074_Mittellspiel_Rfe8!, 74";
5k2/pp2pN2/2n2rrp/2p4Q/7p/1Bq5/P4PP1/R3R1K1 w - - bm Rad1; c0 "Rad1=10"; id "ENET-2025 075_Bestmove_Rad1! Kramnik vs Howell, 75";
5b2/p1p4k/2Pq2pp/4N3/2Bp1r2/PR6/K3Q3/8 w - - bm Bd3; c0 "Bd3=10"; id "ENET-2025 076_Stockfish vs Komodo_Bd3, Bestmove, 76";
1r3rk1/1bqnbpp1/p2ppn1B/1p6/4PP1Q/PNNB4/1PP3PP/1K1R3R b - - bm Nd5; c0 "Nd5=10"; id "ENET-2025 077_Entlastung_Nd5, 77";
3q1rk1/2bb2p1/3p3p/1ppP1p2/3p1B2/1P1P1QNP/2P2PP1/R5K1 b - - bm b4; c0 "b4=10"; id "ENET-2025 078_Blockade_b4! Onlinegame, 78";
r3k1nr/p3pp2/1pnp1bp1/2p5/1PP1P3/P1NP1NPq/3B1P1P/1R1Q1RK1 w kq - bm Nd5; c0 "Nd5=10"; id "ENET-2025 079_Beste Verteidigung_Nd5! Onlinegame, 79";
r3r1k1/2pn1pp1/1qppb2p/2b1p3/p1P1P3/2BP1NNP/PP2RPPK/2RQ4 b - - bm Bb4; c0 "Bb4=10"; id "ENET-2025 080_Mittelspiel_Bb4! Onlinegame, 80";
2r1r1k1/p3b2p/5p2/PpPb2p1/4PQ2/2B1N1Rq/2P4P/7K w - - bm Nxd5; c0 "Nxd5=10"; id "ENET-2025 081_Taktik_Nxd5! Onlinegame, 81";
r3r3/2p3pp/2k1b3/1pBpPq2/2n5/1Q6/4B1PP/R2R2K1 w - - bm Ba7; c0 "Ba7=10"; id "ENET-2025 082_Mittelspiel_Ba7! Onlinegame, 82";
r1bq1bk1/2p2rpp/4npN1/1pp1pN1P/p3P1P1/3PB3/PPPQ1P2/2KR3R b - - bm Qe8; c0 "Qe8=10"; id "ENET-2025 083_b4? (Qe8, Bd6)_Onlinegame, 83";
3q3N/1p5k/5B2/8/1p2p1Rp/1P5K/p3PP2/8 w - - bm Rg7+ Rxh4+; c0 "Rg7+=10, Rxh4+=10"; id "M. Garcia - P. Krug, Studie 2015_Glarean_The Engine Crackers, 23";
k7/7p/2p5/2rp1PP1/pp6/7p/5K1P/4R3 w - - bm g6; c0 "g6=10"; id "Zepler, E.E._Studie, 1928._?, 24";
5N1n/3P1p1p/5P1k/1Pp1P2p/4KP1P/2p5/p4b2/5N2 w - - bm Ne3; c0 "Ne3=10"; id "Formela, Michal_Studie, 2019._Polski Zwiazek Szachowy, 25";
r1b2rk1/3n1pb1/2p1p1p1/p5P1/Pp2B1NQ/1q4P1/2R2P2/3R2K1 w - - bm Rxd7; c0 "Rxd7=10"; id "Stoofvlees_SF_TCEC 2019, 26";
8/1pp2k2/p2p3p/3n1KP1/5P1P/8/1P1B4/8 w - - bm Ke4; c0 "Ke4=10"; id "Lasker, Emanuel_Lipke, Paul_Nebenvariante 41.Ke4! MS, 27";
1r1q1r1k/5pp1/3p1b2/pp1BpPB1/1n2P1QP/1PN5/1PPK4/R7 w - - bm Ne2; c0 "Ne2=10"; id "Los, Andrii_Kubicki, Tadeusz_corr LIPEAD40 (PER), 28";
r1b2rk1/pp3p2/2p3pp/2n5/8/q3RN2/P4PPP/2RQ1BK1 b - - bm Qa4; c0 "Qa4=10"; id "PurePower_Exxon_Chessbase online, 29";
r2n1r1k/1pp5/3ppn2/P2Pp2p/2P1P1pq/1Q2R2P/R2N1PP1/4N1K1 w - - bm g3; c0 "g3=10"; id "Bauer, Robert_Zhak, Boris Mikhailovich_WC30/final, 30";
2b5/1pr4p/3bp1pk/1p6/1PpN2PP/K1P1n3/P3N1R1/3R4 w - - bm Nxb5; c0 "Nxb5=10"; id "Mihai Neghina_Desperation_White to move and draw S, 31";
3r2k1/p4pP1/1ppr4/5Bp1/P2qPnQP/4R3/5P2/5RK1 w - - bm e5; c0 "e5=10"; id "Tauber, Hans_Sikorsky, Horst_37.e5!, 32";
1q6/4p3/6Q1/2N1n3/p2P2P1/P2PP1k1/4Kp1p/2B5 w - - bm Ne4+; c0 "Ne4+=10"; id "Bondarenko+Gorgiev, Studie1959_BrillanterSchachzug, 17._?, 33";
7k/Bp1R1b1p/1p2pK1n/8/4P1P1/6pB/4p3/8 w - - bm Bb8; c0 "Bb8=10"; id "ACT3, ??._Festung_S, 34";
5N2/rp6/pB1p1N2/pb2k1K1/3p2p1/1R2pp2/4B1n1/6bn w - - bm Rc3; c0 "Rc3=10"; id "ACT3, ??._Studie?_?, 35";
Q3b3/1p2q3/1p6/bp5P/1p6/1p6/1P1N1PPp/4NK1k w - - bm Qd8; c0 "Qd8=10"; id "ACT3, ??._?_?, 36";
7r/p2b4/rp2p2p/kB6/8/2K5/1P6/4R3 w - - bm Re5; c0 "Re5=10"; id "ACT3, ??._Festung_?, 37";
8/qpp5/8/k1p1N3/2p5/P7/1PP1B3/K7 w - - bm Nc6+; c0 "Nc6+=10"; id "ACT3, ??._Festung_S, 38";
8/2q1k3/5N2/1p1P3N/p7/2P5/PBK5/8 w - - bm d6+; c0 "d6+=10"; id "ACT3, ??._Studie?_?, 39";
5k1r/7p/2p3P1/2p5/1p4PK/p6R/7P/4B3 w - - bm Kg5; c0 "Kg5=10"; id "ACT3, ??._Studie?_S, 40";
3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - bm Nd4; c0 "Nd4=10"; id "Neghina, M._GoldenerKäfig, 2009._S, 41";
8/p7/8/8/7P/1pk4P/P1P5/1K1Qbq1N b - - bm Bf2; c0 "Bf2=10"; id "Matous, Derived_ColoursExch_POW.38, 42";
4q1kn/2Bp1p2/1N1PpPp1/1P2P1P1/2N3b1/6p1/1P4Pb/7K w - - bm Na5; c0 "Na5=10"; id "Neghina, M._WhieTo, MoveAndWin_2018? S, 43";
r1b1qk1r/pn3pp1/1p2p3/3pP1Bp/1bPN4/4Q1R1/P2N1PP1/R5K1 w - - bm Bf6; c0 "Bf6=10, N2f3=2"; id "Sikorsky, Horst_Novak, Joze_Sideline, 45";
8/5p2/1p1r2p1/1p1p1R2/1P3KN1/8/7p/3N2kr w - - bm Re5; c0 "Re5=10"; id "Krug, P._CCC, Paloma_S, 46";
8/3p4/p2kp1N1/p1r4p/P6P/5RK1/8/8 w - - bm Kf4; c0 "Kf4=10"; id "TCEC, Sammlung_Nr.8, j329_CCC, 47";
r2qr1k1/1b1n1pbp/pp2p1p1/7P/1B1PP3/R2BQN2/5PP1/1R4K1 w - - bm h6; c0 "h6=10"; id "TCEC, Sammlung_Nr.22, rj329_CCC, 48";
r1bqkb1r/3n1ppp/p3p3/8/Pp1B1n2/3B1N2/1P1NQPPP/R2R2K1 w kq - bm Qe1; c0 "Qe1=10"; id "Sikorsky, Horst_Vinchev, Simeon_corr GER, Hiarcs, 49";
r5b1/7P/p7/2B4p/rp6/4N1P1/p2R4/1k1K4 w - - bm Rb2+; c0 "Rb2+=10"; id "Zemljanski, Y.I._1move, cut_Tsjechover-90 S, 50";
3rqQ2/3ppppp/7k/R7/8/8/1PPP2K1/8 w - - bm Ra3; c0 "Ra3=10"; id "Study, ?._?_IQ 100, 51";
7k/1p2B2p/1P2K1p1/3p3P/8/4b1P1/1pP2N2/8 w - - bm Kf7; c0 "Kf7=10"; id "Study?, ?._?_ACT3, 52";
1K6/RP3pk1/4p3/2rbP1P1/8/8/P7/8 b - - bm Rc2; c0 "Rc2=10"; id "Study?, ?._?_TTT2 31, 53";
r1q3rk/p1p3b1/3p1nn1/2PPp2p/1P2Ppp1/2NN1P2/6PP/R1BQ1R1K b - - bm gxf3; c0 "gxf3=10, Bh6=2"; id "Semenikov+, D A._Sikorsky, H._corr. USA 2021, 54";
r1bq2rk/ppp5/3p1nnb/P1PPp1pp/1P2Pp2/2N2P2/3BBNPP/R2Q2RK b - - bm Qd7; c0 "Qd7=10"; id "Petrov, M._Sikorsky, H._CL/2021, 55";
4k2q/p4p1B/1pp3pP/2N2pP1/2P2P1N/8/PP2P3/2K5 w - - bm Nxg6; c0 "Nxg6=10"; id "Study, ?._CCC_ACT5 11, 56";
5kbQ/pp4p1/n3p2p/3p2r1/7N/2PPP2P/PP3PP1/4n2K b - - bm Rxg2; c0 "Rxg2=10"; id "Study, ?._?_ACT5 29, 57";
8/p2p4/r7/1k6/8/pK5Q/P7/b7 w - - bm Qd3+; c0 "Qd3+=10"; id "ERET 015_Endspiel D&B vs T&L&B_Becker 2015, 58";
8/7p/5P1k/1p5P/5p2/2p1p3/P1P1P1P1/1K3Nb1 w - - bm Ng3; c0 "Ng3=10"; id "ERET 032_Zugzwang_Fahrni 1922, 59";
1k6/bPN2pp1/Pp2p3/p1p5/2pn4/3P4/PPR5/1K6 w - - bm Na8 Rf2; c0 "Na8=10, Rf2=2"; id "ERET 037_Zugzwang_Garcia 2000, 60";
r4r1k/p1p3bp/2pp2p1/4nb2/N1P4q/1P5P/PBNQ1PP1/R4RK1 b - - bm Nf3+; c0 "Nf3+=10, g5=10"; id "ERET 050_Koenigsangriff_Hansen-Barua, Biel 1993, 62";
2b1r3/r2ppN2/8/1p1p1k2/pP1P4/2P3R1/PP3PP1/2K5 w - - bm Nd6+; c0 "Nd6+=10"; id "ERET 093_Endspiel T&S&B vs T&T&L_Simkhovich 1923, 64";
6bk/5pp1/3N1p1b/8/6pN/5pPp/4pP1P/4K3 w - - bm Ng6+; c0 "Ng6+=10"; id "Fortress, Study?_?_ACT3-51 S, 66";
4rkr1/1b2np2/q4Bp1/6P1/2Q5/pP6/K1P3B1/2R5 w - - bm Bxb7; c0 "Bxb7=10"; id "ACT4, Nr.1_?_ACT4-1, 67";
8/8/p2B1R2/Pp2K3/1Pp3pp/2P3pq/4P1kp/7b w - - bm Bb8; c0 "Bb8=10"; id "Cyclic, ZZ?._?_ACT5-25 2, 68";
k1b5/1p1p4/p1bP4/PP6/8/6N1/8/K7 w - - bm b6; c0 "b6=10"; id "Blass, U.._CCC_ACT5-27 2, 69";
3n3k/8/6PK/5PP1/1b5p/2pp4/1qP5/Q7 w - - bm g7+; c0 "g7+=10"; id "Campioli, M._#14, ?._ACT5-28 2, 70";
5q2/1p6/P5p1/1P1p1pPk/B1p5/2N1pPP1/4P1K1/8 w - - bm f4; c0 "f4=10"; id "Krug, P._?_ACT5-30 2, 71";
5rk1/5p2/5R2/6PK/2b1N3/3N4/pQnp3n/8 w - - bm Rf1; c0 "Rf1=10"; id "KrugP, Garcia_HHdbVI.0044383.001, a.01968?_ACT5-31 1, 72";
8/8/p1Kp4/k6p/B1P2N1P/1R6/P7/3q4 w - - bm Ra3; c0 "Ra3=10"; id "Kos, V._?_ACT5-34 2, 73";
Q2q3r/4kp1n/pP2P1pp/3Pp3/K3B3/1PP4P/1P2r3/4B3 w - - bm Qa7+; c0 "Qa7+=10"; id "Sokka, H._HHdbVI.1076075.001, a.53387?_ACT5-36 1, 74";
rb6/k1p1n3/P5Q1/1K3p2/3p4/6B1/6p1/8 w - - bm Qc6; c0 "Qc6=10"; id "Sehwers, J?._HHdbVI.1643584.002a., 89051?._ACT5-ana, 75";
8/p1p1p1P1/P1P1P3/7p/8/P2p1K1P/pp1p4/krbB4 w - - bm g8=N; c0 "g8=N=10"; id "Zinar, M._HHdbVI.0210037.002a., 09076?._ACT5-44 2, 76";
8/1p3p2/8/1P1NP3/B4K2/1R6/p1Pp4/2k5 w - - bm Nb4; c0 "Nb4=10"; id "Nestorescu, V._HHdbVI.0708805.002a., 33432?._ACT5-46 1, 77";
3r4/1K3p1p/3P1p2/3k1P2/3B4/1P6/1P3P1P/8 w - - bm Bc5; c0 "Bc5=10"; id "Timman, J._HHdbVI.0033988.002a., 01480._ACT5-48 2, 78";
8/1p6/p4N2/q6p/Pp1kp3/1P3P2/3K2P1/2R5 w - - bm f4; c0 "f4=10"; id "Unknown, Author_?_ACT5-51 2, 79";
2r3bq/3N1prk/5Pp1/6P1/3P3B/RP2P1P1/6K1/8 w - - bm Ra4; c0 "Ra4=10"; id "Ivanov, V._?_ACT5-53 2, 80";
1b6/2P5/8/kP1P4/p7/P4p2/5Kpp/6B1 w - - bm cxb8=B; c0 "cxb8=B=10"; id "Bernhardt, G._?_ACT5-58 2, 81";
5b2/4p1p1/p2pP1P1/P3P3/4P1N1/5KP1/4p1pP/4Bbrk w - - bm Kf4; c0 "Kf4=10"; id "Unknows, Author_?_ACT5-61 2, 82";
6k1/6pp/3K2b1/6P1/4p2P/7P/P7/1B6 w - - bm h5; c0 "h5=10"; id "Naef, W._?_ACT5-63 2, 83";
K6n/1BR1p1N1/1P1kP1br/3pnp1q/p2P4/r1p4p/P7/2b1B3 w - - bm Bg3; c0 "Bg3=10"; id "#7, ?._?_ACT5-67 2, 84";
8/K3p3/5q2/5b2/1Np5/Bp6/p3Q3/k7 w - - bm Qf1+; c0 "Qf1+=10"; id "#9, ?._?_ACT5-68 2, 85";
6B1/6K1/8/8/7N/8/P1PkN1pp/8 w - - bm Ng1; c0 "Ng1=10"; id "SilhanJ, ZizkaL_?_ACT5-59 3, 86";
r6k/p2b2pp/q1n1p2n/3pPpB1/2pP4/2P2NQ1/2P1BPP1/1R4K1 w - - bm Bf6; c0 "Bf6=10"; id "Hiarcs, ?._?_TTT2 2, 87";
2bq1rk1/p1n1b1p1/1r5p/3pPp2/2pP1B1P/2P4N/P1B1QP2/2K3RR w - - bm Rg3; c0 "Rg3=10"; id "Hiarcs, ?._?_TTT2 6 2, 88";
1B2b2k/7q/4n2p/3Np1PQ/8/1p6/5N1P/1K1B4 w - - bm g6; c0 "g6=10"; id "Derived, from_StavrietskyA, 2017._TTT2 14, 89";
2Br1r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 b - - bm bxc4; c0 "bxc4=10"; id "Midgame, ?._?._TTT2 23, 90";
rnbq3r/1p2b1k1/2pp1p1p/pP3pp1/2BP3N/P3P3/2P2PPP/RN1Q1RK1 w - - bm Ng6; c0 "Ng6=10"; id "TTT2.053_?_TTT2, 91";
5qk1/pp4p1/4ppp1/2Q3P1/7P/P1P5/1P4P1/6K1 w - - bm Qxf8+; c0 "Qxf8+=10"; id "TTT2.073_?_TTT2, 92";
6Bq/5pkp/4P2p/1nN1KP1P/7P/8/8/8 w - - bm f6+; c0 "f6+=10"; id "RoxlauM, GrushkoM_HHdbVI_ACT4 4 1, 93";
8/5bb1/N1r2k2/3p1p1p/p1pPpP2/PpP1P2P/1P5P/6RK w - - bm Nb8; c0 "Nb8=10"; id "Smyslov, V._?_ACT4-26 1, 94";
8/8/3k2p1/5ppb/3P4/1P6/1P3NP1/4K3 w - - bm g4; c0 "g4=10"; id "Smyslov, V._?_ACT4-41 1, 95";
2n3B1/6p1/2P2p2/1p3P1p/1p1nK2P/3P4/4N2p/7k w - - bm Ke3; c0 "Ke3=10"; id "JostenG_?_?, 96";
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/2R4P/2P1N1P1/q7 w - - bm Kd6; c0 "Kd6=10"; id "Study, ?._?_ACT4-59, 97";
2q1k1b1/7p/4p1r1/Pp1pP2Q/1P1P2PB/2P5/1KP5/8 w - - bm Qxg6+; c0 "Qxg6+=10"; id "Wotawa, A._?_ACT4-66 1, 98";
8/5P2/Np1q1k2/8/p1pP3P/2P2P2/P7/1KB5 b - - bm a3; c0 "a3=10"; id "Study, ?._?_ACT4-90 1, 99";
8/1p1k4/1Pp1p3/2P1p2N/4K1p1/p5N1/8/8 w - - bm Kd3; c0 "Kd3=10"; id "Bethge, F._?_ACT4-91, 100";
2K5/p1p4k/p1p5/2p3p1/6Pb/6p1/p5P1/B7 w - - bm Kd8 Kd7; c0 "Kd8=10, Kd7=100"; id "Blathy, O._?_ACT4-94 1, 101";
4K3/1B1p4/pn1Npb2/k3p3/P1pn4/P7/7B/3N4 w - - bm Bc6; c0 "Bc6=10"; id "Cortlever, N._HHdbVI_ACT3-29 1, 102";
n6r/b7/1R4R1/2k5/2pppppp/8/1PPPPPP1/r4NK1 w - - bm b4+; c0 "b4+=10"; id "Korolkov, V._?_ACT3-38, 103";
b1K2b1n/p1BNp2r/3pP1Nr/PB1Pppp1/Pk2P2n/8/PP6/8 w - - bm a6; c0 "a6=10"; id "Fortress, ?._?_ACT3-41 1, 104";
2K3b1/8/pPP1p1P1/2p1k2N/2P1pN1P/6PP/n1pQ2p1/1q3r2 w - - bm Kc7; c0 "Kc7=10"; id "Unknown, Author_?_ACT3-48, 105";
5N1r/5n1n/ppp3R1/5K2/7k/6p1/6PN/8 w - - bm Rg4+; c0 "Rg4+=10"; id "Kraemer, A._?_ACT3-49, 106";
8/6Qp/p5pP/P2n4/8/5p2/p2K1P2/1k2Bb2 w - - bm Qa1+; c0 "Qa1+=10"; id "Sivkov, N._#10, ?._ACT3-88, 107";
5B2/1p1nNp2/8/1P2R3/3p3q/8/p1K1P1Q1/k3b3 w - - bm Ng6; c0 "Ng6=10"; id "Timman=J_Glarean, Nightmare_?, 108";
1r3rk1/6p1/p1pb1qPp/3p4/4nPR1/2N4Q/PPP4P/2K1BR2 b - - bm Rb7 Rxb2; c0 "Rb7=10, Rxb2=10"; id "Boudy Bueno, J.L.._Szabo, L._Varna 1979 Txb2!? Eret 17, 109";
r1bqk1nr/pp1pnppp/1bp5/1B6/3PP3/5N2/PP3PPP/RNBQ1RK1 w kq - bm d5; c0 "d5=10"; id "Lc0-dev_Stockfish_ECO MegaMatch II! (1|1), 110";
nq6/pPpB4/2K5/1P2BN2/3Pk2p/5p2/8/6bN w - - bm b6; c0 "b6=10"; id "Bazlo, Yuri_10moves, less_2019 HHdbVI 1, 112";
r4rk1/ppp1bppp/2p5/4P3/8/1q2B3/PPPR1PPP/3R2K1 w - - bm cxb3; c0 "cxb3=10"; id "TCEC, rj329_?_CCC, 114";
r1b5/1pk2pr1/1Rp1p1q1/p1PpPp1p/P2P1Q1P/4P1P1/4B1K1/3R4 w - - bm e4; c0 "e4=10"; id "TCEC, rj329_?_CCC Nr.5, 115";
3r1r2/pb2nkp1/1pnb1p1p/2pNpP2/q1P1P1PP/3P1N2/P3BR2/3RQ1BK w - - bm g5; c0 "g5=10"; id "Gleichmann, Matthias_Praznik, Niko_corr CT21/final, 116";
8/3p4/p3b3/P4p1p/4pP1P/2pP2Np/Q2P2kp/2N1K3 w - - bm Qb1; c0 "Qb1=10"; id "Yarmonov, I._Glarean_2020, 117";
2r1r3/1p2qppk/1Ppp1nnp/p3p3/P1PPP3/2NBPR1P/6PK/3Q1R2 w - - bm Ne2; c0 "Ne2=10"; id "Eman_SugaR_Glarean, 118";
7k/p1pp2pp/1p1p4/8/2P2B1R/q1PP4/8/3R2K1 w - - bm Rf1; c0 "Rf1=10"; id "Hobacle's, VersionOf_Walter Eigenmann's, Study_?, 119";
r1n5/k3pp2/2Rr4/1p6/1p6/p4pp1/QP4Pn/4RBK1 w - - bm Rec1; c0 "Rec1=10"; id "Krug, P.._Glarean, EngineCrackers2_2018, 120";
r1bqr1k1/pp1nb1p1/2n3P1/3pPp1p/1p1P3P/P4N2/3N1P2/RBBQK2R w KQ - bm Ng5; c0 "Ng5=10"; id "Gniazdowski, Marian_Rau, Johann_corr CL/2019/C8 Glarean, 121";
1r6/1n1R1b2/8/1p1p3k/pPpPp1p1/2P1P3/P2K1PP1/8 w - - bm Rxb7; c0 "Rxb7=10"; id "Illescas, Miguel_Glarean, EngineCrackers_?, 122";
2k5/1p3pp1/p1p1p1p1/2P1P1P1/PP1P1P1P/K7/8/8 w - - bm f5; c0 "f5=10"; id "Heinz, J._Glarean_Study 1981, 123";
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/R1n4P/2P1N1P1/3q4 w - - bm Rxc3; c0 "Rxc3=10"; id "Josten, G.._Glarean, EngineCrackers_Studie 2001, 124";
rb2n3/p3B3/1P5p/2P4K/5k2/1r4p1/3R2R1/8 w - - bm Rxg3; c0 "Rxg3=10"; id "Timman, J.._HHdbVI_?, 125";
8/1p4p1/1Np2pP1/1p6/6P1/P2kP1PK/P2P4/2b5 w - - bm Na8; c0 "Na8=10"; id "Gelly, M.._HHdbVI_Glarean, 126";
6K1/5p2/6p1/1N2qk1p/p6R/7P/Pp2N3/2B5 w - - bm Ned4+; c0 "Ned4+=10"; id "Krug, P._HHdbVI, Glarean_?, 127";
8/2p1N3/2p5/2p5/P1kb2R1/4p3/P3p1P1/1B2B2K w - - bm Be4; c0 "Be4=10"; id "Popov, G._#9_Der Standard 2006, 128";
r1bqkb1r/ppp3pp/n3pn2/1N1p1p2/3P1B2/4P3/PPP2PPP/R2QKBNR w KQkq - bm c4; c0 "c4=10"; id "Hiarcs_Buch_512, 131";
r3kr2/pp2bpp1/2b4p/q3p3/2B1p1PP/1Q2B3/PPP2P2/2KR2R1 w q - bm g5; am Rd5; c0 "Rd5=10"; id "AM, Hiarcs_Wrong, Book_512, 132";
6r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - bm Qxg6+; c0 "Qxg6+=10"; id "Source?_#13_mulitple, 166";
7q/b1p5/1p1Npkb1/pPP2ppP/P1P5/3B2P1/5P1R/K3R3 w - - bm hxg6; c0 "hxg6=10"; id "Neghina, N._?_Detour, 168";
8/1p1r2R1/p5p1/5bp1/2PB1k2/1PK5/P7/8 b - - bm Rxd4; c0 "Rxd4=10"; id "Svidler, P._Karjakin, S._Glarean, 170";
8/2pPpP2/1P1qk1p1/1p4P1/1P4p1/1p1QK1P1/2PpPp2/8 w - - bm f8=Q d8=Q; c0 "f8=Q=10, d8=Q=10"; id "Source?_?_?, 172";
r1b3r1/5p1k/p1n2P1p/P1qpp1P1/1p1p4/3P2Q1/BPPB2P1/R4RK1 w - - bm Kf2; c0 "Kf2=10"; id "Efremov, A._Fischer, W._2012 Arasan Multiple, 182";
r2qkb1r/3bpppp/p4nn1/3P4/1p1N4/1QN3B1/PP3PPP/R3KB1R w KQkq - bm Nc6; c0 "Nc6=10"; id "Hard, Positions_Corbit, Dann_2022, 189";
r4r1k/1p4qp/b1pNRbp1/2P5/3p1P1P/PQ4P1/3R2BK/8 w - - bm Rd1; c0 "Rd1=10"; id "Source?_Corbit, Dann_HardPositions 2022, 195";
1B4bk/p4n1p/6pP/3p4/7p/3Pp2P/1p2P1K1/bB6 w - - bm Bh2; c0 "Bh2=10"; id "Timman, J._Derived, -3m_New in Chess Magazine 2007, 201";
1N6/B2p1p1p/3P1P1P/2K5/pP6/p3p3/rpp1P2P/qkn4R w - - bm Nc6; c0 "Nc6=10"; id "Zinar, M._Derived, -4m_sp.p Zadachy i Etyudy#3671b 2010, 202";

Code: Select all

    Program                                    Elo   +/-  Matches  Score   Av.Op.   S.Pos.   MST1    MST2   RIndex

  1 RemsM-091224-6t-26-4-2000                : 3551    4   5147    57.7 %   3497   204/256    5.4s   10.4s   0.68
  2 ShashChess250623-6t-MuPV4                : 3547    4   5134    57.1 %   3497   201/256    5.8s   11.0s   0.68
  3 Lc0v0.32.0-6147500PT-MuPV4               : 3545    5   5198    56.7 %   3498   190/256    4.3s   10.9s   0.66
  4 CorChess4.5-250618-6t-MuPV4              : 3542    4   5084    56.3 %   3497   197/256    5.5s   11.2s   0.66
  5 Lc0v0.32.0-6147500PT-MuPV1               : 3527    5   5044    54.0 %   3499   175/256    4.1s   12.3s   0.59
  6 Crystal8-6t-MuPV4                        : 3527    4   4971    54.0 %   3498   187/256    5.8s   12.3s   0.59
  7 Crystal8-6t-MuPV1                        : 3522    4   4870    53.3 %   3499   176/256    4.7s   12.6s   0.59
  8 Crystal9-6t-MuPV4                        : 3517    4   4983    52.6 %   3499   180/256    5.8s   13.0s   0.54
  9 ShashChess386t-MuPV4                     : 3515    4   4931    52.3 %   3499   178/256    6.0s   13.3s   0.56
 10 RemsM-091224-6t-MuPV1                    : 3504    4   4748    50.6 %   3500   164/256    5.6s   14.4s   0.56
 11 Obsidian16.11-6t-Co100-MuPV4             : 3500    5   4834    49.9 %   3500   163/256    5.2s   14.2s   0.49
 12 TheHuntsman1-6t-MuPV4                    : 3500    5   5168    50.0 %   3500   153/256    3.9s   14.4s   0.45
 13 Stockfish250602-6t-MuPV4                 : 3499    4   4759    49.8 %   3500   172/256    6.3s   14.1s   0.33
 14 Stockfish17.1-6t-MuPV4                   : 3498    4   4649    49.6 %   3500   161/256    5.4s   14.5s   0.56
 15 Crystal9-6t-MuPV1                        : 3495    4   4783    49.3 %   3500   168/256    7.4s   15.2s   0.50
 16 ShashChess250623-6t-MuPV1                : 3492    4   4598    48.8 %   3501   155/256    5.6s   15.2s   0.57
 17 Obsidian16.06t-Co100-MuPV4               : 3492    5   4856    48.7 %   3501   159/256    6.1s   15.2s   0.49
 18 CorChess4.5-250618-6t-MuPV1              : 3490    4   4629    48.5 %   3501   156/256    6.3s   15.5s   0.56
 19 Berserk250622-6t-MuPV4                   : 3476    5   4753    46.3 %   3502   157/256    7.4s   16.2s   0.40
 20 ShashChess38-6t-MuPV1                    : 3463    5   4478    44.3 %   3502   139/256    6.3s   17.1s   0.46
 21 Dragon3.3-6t-MuPV4                       : 3460    5   4686    44.0 %   3502   138/256    6.5s   17.3s   0.41
 22 Obsidiandev-16.11-6t-Co100-MuPV1         : 3457    5   4514    43.5 %   3503   128/256    5.2s   17.6s   0.47
 23 Stockfish250602-6t-MuPV1                 : 3454    5   4400    43.1 %   3503   131/256    6.0s   17.7s   0.48
 24 Berserk13-6t-MuPV4                       : 3449    5   4560    42.3 %   3503   138/256    6.9s   17.6s   0.34
 25 Berserk-250622-6t-MuPV1                  : 3448    5   4587    42.1 %   3503   139/256    8.1s   18.1s   0.33

MST1  : Mean solution time (solved positions only)
MST2  : Mean solution time (solved and unsolved positions)
RIndex: Score according to solution time ranking for each position
Peter.