Arasan test suite update - beta version

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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Arasan test suite update - beta version

Post by Vinvin »

Dann Corbit wrote:For this position:
[d]1Q5R/p2r1qk1/1p3p2/3p2p1/3P2P1/P3P3/4KP2/8 w - -

I get lots of moves with a score between 200 and 300 pawns.

As an illustration:
...
Does someone get a better score with Rh5 or Rh3?
With SF-MF at depth 40, 6 best moves :
Rh5 and Rh3 about 2 pawns above others.

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 41/88	07:37	 6 164 143k	13 477k	+2,48	1.Ke1 Rb7 2.Qh2 Qg6 3.Kd2 Re7 4.Rd8 Qh7 5.Qxh7+ Kxh7 6.Rxd5 Rb7 7.Rd6 Kg7 8.d5 b5 9.Ra6 b4 10.axb4 Rxb4 11.Rxa7+ Kf8 12.f3 Rb5 13.e4 Rb3 14.Ke2 Ke8 15.Ra6 Kf7 16.Kf2 Ke7 17.Rc6 Ra3 18.Re6+ Kf7 19.Kg3 Rb3 20.Rc6 Ke7 21.Rc7+ Ke8 22.Ra7 Re3 23.Kf2 Rc3 24.Ra6 Ke7 25.Re6+ Kf7 26.Rb6 Ke7 27.Rb7+ Kf8 28.Kg2 Rc2+ 29.Kg3
 41/88	07:37	 6 164 143k	13 477k	+2,48	1.Kd2 Re7 2.Qh2 Qg6 3.Rd8 Qh7 4.Qxh7+ Kxh7 5.Rxd5 Rb7 6.Rd6 Kg7 7.d5 b5 8.Ra6 b4 9.axb4 Rxb4 10.Rxa7+ Kf8 11.f3 Rb5 12.e4 Rb3 13.Ke2 Ke8 14.Kf2 Rd3 15.Ra6 Ke7 16.Re6+ Kf7 17.Rc6 Ra3 18.Kg3 Rb3 19.Rc8 Ke7 20.Rc7+ Ke8 21.Ra7 Kf8 22.Rd7 Ke8 23.Rc7 Kf8 24.Kf2 Ke8 25.Rc6 Rb2+ 26.Ke3 Rb3+ 27.Ke2 Ke7 28.Ra6
 41/88	07:37	 6 164 143k	13 477k	+2,48	1.Qh2 Qg6 2.Kd2 Rb7 3.a4 Rd7 4.Ra8 Qh7 5.Qb8 Rf7 6.Qd8 Kh6 7.Rc8 Qe4 8.Qh8+ Qh7 9.Qe8 a6 10.Rb8 b5 11.axb5 axb5 12.Rxb5 Ra7 13.Qh5+ Kg7 14.Qxh7+ Kxh7 15.Rxd5 Ra2+ 16.Ke1 Kg7 17.Rb5 Kf7 18.Rb6 Kg7 19.Rb7+ Kg8 20.Rb1 Kf7 21.Kf1 Ra5 22.Rb7+ Ke6 23.Rb6+ Kf7 24.Ke2 Ra2+ 25.Kf3 Rd2 26.Rc6 Ra2 27.d5 Rd2 28.e4 Rd3+ 29.Ke2 Rd4 30.Rc7+ Ke8 31.f3 Ra4 32.Rc6 Kf7 33.Kf2 Ra3
 41/88	07:37	 6 164 143k	13 477k	+2,48	1.Kd1 Rb7 2.Qh2 Qg6 3.Kd2 Re7 4.Rd8 Qh7 5.Qxh7+ Kxh7 6.Rxd5 Rb7 7.Rd6 Kg7 8.d5 b5 9.Ra6 b4 10.axb4 Rxb4 11.Rxa7+ Kf8 12.f3 Rb5 13.e4 Rb3 14.Ke2 Ke8 15.Kf2 Rd3 16.Ra6 Ke7 17.Re6+ Kf7 18.Rc6 Ra3 19.Kg3 Rb3 20.Rc8 Ke7 21.Rc7+ Ke8 22.Ra7 Kf8 23.Rd7 Ke8 24.Rc7 Kf8 25.Kf2 Ke8 26.Ke2 Ra3 27.Rc6
 41/88	07:37	 6 164 143k	13 477k	+4,10	1.Rh3 Qg8 2.Qh2 Kf7 3.Rh8 Qg6 4.Kd2 Ke6 5.Rh6 Qg7 6.Qh5 Qg8 7.f4 Rg7 8.f5+ Kd7 9.Rxf6 Rh7 10.Rg6 Rxh5 11.Rxg8 Rh2+ 12.Kd3 Rg2 13.Rxg5 Ke8 14.Rg6 b5 15.Re6+ Kf7 16.Re5 Rxg4 17.Rxd5 Rh4 18.Rxb5 Rh3 19.Ra5 Kf6 20.a4 Rg3 21.Rxa7 Kxf5 22.a5 Ke6 23.a6 Kd6 24.Rf7 Kc6
 41/88	07:37	 6 164 143k	13 477k	+4,44	1.Rh5 Qg8 2.Qh2 Kf7 3.Rh8 Qg6 4.Kd2 Ke6 5.Rh6 Qg7 6.Qh5 Rf7 7.Rg6 Qf8 8.Qxg5 Qd6 9.Qf5+ Ke7 10.g5 Qe6 11.Qf4 Qd6 12.gxf6+ Rxf6 13.Qg5 Qe6 14.f4 Qf5 15.Rxf6 Qxf6 16.Qxd5 Qf8 17.Qb7+ Kf6 18.Qxa7 Qd6 19.Qb7 b5 20.Qxb5 Qxa3 21.Qb6+ Kf7 22.f5 Qa2+ 23.Kd3 Qa1 24.Qg6+ Kf8 25.Qd6+ Kf7 26.Qd7+ Kf8 27.Ke4 Qc3 28.Qd6+ Ke8 29.Kf4 Qe1 30.Qe5+ Kf7 31.Qe6+ Kf8 32.Qf6+ Ke8 33.Qg6+ Kf8
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Arasan test suite update - beta2

Post by Vinvin »

jdart wrote:I propose to replace positions 32 and 152 with these:
[d]r4rkq/1ppb4/3P2n1/1N1Pp3/P3Pbn1/3B1NP1/1P2QB2/R4RK1 b - - bm Rf7; id "arasan20.32"; c0 "Longin-Regina_H.Milch, 7th Centaur Weekend Tourney (CWT), Jan. 2016";
This one, may be a bit easy with SF and SF-MF :

FEN: r4rkq/1ppb4/3P2n1/1N1Pp3/P3Pbn1/3B1NP1/1P2QB2/R4RK1 b - - 0 1

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 18/43	00:01	 12 747k	9 643k	-0,64	1. ... Qh3 2.Bc5 Qxg3+ 3.Qg2 Qxg2+ 4.Kxg2 Be3 5.Bxe3 Nxe3+ 6.Kf2 Nxf1 7.Rxf1 Bxb5 8.Bxb5 cxd6 9.Ke3 Kg7 10.Rg1 Kf6 11.Nd2 Rg8 12.Nc4 Ke7 13.Rh1 Rh8 14.Rg1 Rag8 15.Na5 Nf4 16.Rxg8 Rxg8 17.Nxb7
 19/43	00:02	 25 283k	9 973k	-0,93	1. ... Qh3 2.Bc5 Qxg3+ 3.Qg2 Be3+ 4.Bxe3 Qxg2+ 5.Kxg2 Nxe3+ 6.Kg3 Nxf1+ 7.Bxf1 Bxb5 8.Bxb5 cxd6 9.Rc1 Kg7 10.Ng5 Nf4 11.Rc7+ Kg6 12.Nf3 Nh5+ 13.Kf2 Rf4 14.Rd7 Raf8 15.Rxd6+ Kg7 16.Be2 Nf6 17.Rb6 Rf7
 20/44-	00:04	 47 743k	10 066k	-1,00	1. ... Rf7
 20/44-	00:04	 49 142k	10 068k	-1,07	1. ... Rf7
 20/44-	00:19	 199 395k	10 127k	-5,12	1. ... Rf7
 20/44	00:21	 220 540k	10 168k	-5,27	1. ... Rf7 2.Nxc7 Rh7 3.Nh4 Nxh4 4.Ne6 Rg7 5.Bd4 Bxg3 6.Nxg7 Qxg7 7.Bc5 Nh2 8.Rf5 Bf4+ 9.Kh1 N2f3 10.Rg1 Nxg1 11.Bxg1 Nxf5 12.exf5 Qh6+ 13.Bh2 Rxa4 14.Qg2+ Kf8 15.Bb1 Bxh2 16.Qxh2 Qxd6

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 18/34	00:01	 15 180k	9 405k	-0,78	1. ... Qh3 2.Bc5 Qxg3+ 3.Qg2 Qxg2+ 4.Kxg2 Be3 5.Bxe3 Nxe3+ 6.Kf2 Nxf1 7.Rxf1 Bxb5 8.Bxb5 cxd6 9.Ke2 Rf7 10.Ke3 Raf8 11.b4 Rc8 12.Rg1 Rg7 13.Kd2 Nf4 14.Rxg7+ Kxg7 15.Nh4 Kf6
 19/39-	00:03	 30 202k	9 374k	-1,40	1. ... Rf7
 19/39-	00:03	 33 878k	9 289k	-1,68	1. ... Rf7
 19/39-	00:06	 64 587k	9 407k	-3,16	1. ... Rf7
 19/39	00:07	 70 262k	9 439k	-3,03	1. ... Rf7 2.Nxc7 Rh7 3.Nh4 Nxh4 4.Ne6 Rg7 5.Bb6 Bxe6 6.dxe6 Ne3 7.Bxe3 Rxg3+ 8.Kf2 Rg2+ 9.Ke1 Rxe2+ 10.Kxe2 Qh5+ 11.Kd2 Bxe3+ 12.Kxe3 Ng2+ 13.Kf2 Qg4 14.Be2 Rf8+ 15.Kg1 Qxe2 16.Rxf8+ Kxf8 17.d7
 20/39-	00:08	 80 517k	9 446k	-3,10	1. ... Rf7
 20/39-	00:09	 85 258k	9 453k	-3,18	1. ... Rf7
 20/39-	00:16	 158 889k	9 583k	-5,41	1. ... Rf7

Code: Select all

Stockfish_170409_x64_modern:
...
 25/44	00:07	 82 413k	11 152k	-0,53	1. ... Qh3 2.Bc5 Qxg3+ 3.Qg2 Be3+ 4.Bxe3 Qxg2+ 5.Kxg2 Nxe3+ 6.Kf2 Nxf1 7.Rxf1 Bxb5 8.Bxb5 cxd6 9.Ke3 Kg7 10.Rc1 Kf6 11.Nd2 Rad8 12.Rc7 Rf7 13.Rxf7+ Kxf7 14.Nc4 Nf4 15.b4 Nh5 16.Na5 Rb8 17.Bd7 Kf6 18.Nc4 Rd8 19.Bf5 Nf4
 26/44-	00:11	 129 396k	11 065k	-0,60	1. ... Rf7
 26/44-	00:12	 139 896k	11 061k	-0,68	1. ... Rf7
 26/44-	00:55	 618 024k	11 138k	-6,02	1. ... Rf7

Code: Select all

Stockfish_170409_x64_modern:
...
 27/54	00:09	 107 728k	10 969k	-0,58	1. ... Qh3 2.Bc5 Be3+ 3.Bxe3 Qxg3+ 4.Qg2 Qxg2+ 5.Kxg2 Nxe3+ 6.Kf2 Nxf1 7.Rxf1 Bxb5 8.Bxb5 cxd6 9.Ke3 Kg7 10.Rc1 Kf6 11.Nd2 Nf4 12.Rc7 Rf7 13.Rxf7+ Kxf7 14.b4 Ke7 15.a5 Rc8 16.Bc4 Kd7 17.b5 Ra8 18.Nb3 Nh5 19.a6 Kc7 20.Na5 bxa6 21.bxa6 Kb6 22.Nc6
 28/54-	00:11	 130 983k	10 973k	-0,65	1. ... Qh3
 28/54-	00:18	 197 868k	10 976k	-0,72	1. ... Rf7
 28/54-	00:47	 519 631k	11 045k	-3,76	1. ... Rf7

jdart wrote:[d]3r1rk1/1b2bpp1/2n1p2p/qp1n2N1/4N3/P3P3/1BB1QPPP/2R2RK1 w - - bm Qh5; id "arasan20.152"; c0 "Asadali-DeepElite, Tuesday 16 Feb Rapid Engine Tour 15+5, Infinity Chess 2016";
1.Nh7(then 2.Qh5) is close to 1.Qh5 :

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 28/53	00:16	 163 397k	9 695k	+1,34	1.Nh7 Rfe8 2.Qh5 b4 3.axb4 Qxb4 4.Rb1 e5 5.Rfc1 Qc4 6.Nhg5 hxg5 7.Nd6 Nf6 8.Bh7+ Kf8 9.Rxc4 Nxh5 10.Nxb7 Rb8 11.Be4 Rxb7 12.Bxc6 Rc8 13.Bxb7 Rxc4 14.Bxe5 Nf6 15.Ba6 Rb4 16.Rc1 Ne8 17.Kf1 Bf6 18.Bg3 Ke7 19.Rd1 g6 20.h3 Rb2 21.Kg1
 28/53	00:16	 163 397k	9 695k	+1,77	1.Qh5 e5 2.Nh7 Rfe8 3.f4 exf4 4.Bb3 Qb6 5.Bxd5 Rxd5 6.Qxd5 Qxe3+ 7.Kh1 Rd8 8.Qf5 Nd4 9.Nhf6+ gxf6 10.Nxf6+ Kf8 11.Qxf4 Qxf4 12.Rxf4 Ne6 13.Rg4 Bxf6 14.Bxf6 Rd5 15.Kg1 Rf5 16.Bc3 Rg5 17.Rxg5 hxg5 18.Kf2 Ke7 19.Re1 Bc6 20.g3 g4 21.Ke3
Dann Corbit
Posts: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Arasan test suite update - beta version

Post by Dann Corbit »

Komodo and Houdini have an easy time with this one:
[d]1Q5R/p2r1qk1/1p3p2/3p2p1/3P2P1/P3P3/4KP2/8 w - -
All the other engines I tried struggle.
Someone else got a solution with SF. My SF ran for ages without solution.

I did get (with SF) a score of 400 for Kd2 at depth 44. That is about the same as the other scores I have seen.
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.
jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: Arasan test suite update - beta2

Post by jdart »

Solving 180 or more with a 2-minute search is a very good performance, IMO. I think few other engines will do as well.

--Jon
jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: Arasan test suite update - beta2

Post by jdart »

This one, may be a bit easy with SF and SF-MF :

FEN: r4rkq/1ppb4/3P2n1/1N1Pp3/P3Pbn1/3B1NP1/1P2QB2/R4RK1 b - - 0 1
This is one position where current Stockfish is very fast finding the solution but other engines struggle a bit. Multiple "quiet" moves are required before the winning line appears.

--Jon
Dann Corbit
Posts: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Arasan test suite update - beta2

Post by Dann Corbit »

Here are my analysis records for the current v20 set, complete with full decoration:

Code: Select all

r1bq1r1k/p1pnbpp1/1p2p3/6p1/3PB3/5N2/PPPQ1PPP/2KR3R w - - acd 38; acs 816; bm g4; c0 "J. Polgar-Berkes, Budapest Hunguest Hotels 2003"; c3 "g4"; cce 266; ce 156; id "arasan20.001"; pm g4 {4} Bxa8 {1}; pv g4 f5 Bxa8 fxg4 Ne1 Ba6 Bc6 Nf6 h3 g3 fxg3 Nh5 Rg1 Bd6 Kb1 Bxg3 Nd3 Kg8 Be4 Bh4 Ne5 Nf4 Qe3 Qd6 c3 c5 Rd2 Nd5 dxc5 Qxe5; white_wins 4; black_wins 1; draws 0; 
r1b2rk1/1p1nbppp/pq1p4/3B4/P2NP3/2N1p3/1PP3PP/R2Q1R1K w - - acd 46; acs 1800; bm Rxf7; c0 "Van der Wiel-Ribli, IBM Amsterdam 1980"; c2 "Van der Wiel,J-Ribli,Z, Amsterdam, 1980; Nolot.10, Heap.444066, move.15"; c3 "Rxf7"; ce 306; id "arasan20.002"; pm Rxf7; pv Rxf7;
r1q1k2r/1p1nbpp1/2p2np1/p1Pp4/3Pp3/P1N1P1P1/1P1B1P1P/R2QRBK1 b kq - acd 37; acs 600; bm Bxc5; c0 "Mapanare-XXAAXX, Tues 23 Feb Rapid Engine Tour, Infinity Chess 2016"; c3 "Bxc5"; ce 104; id "arasan20.003"; pm Bxc5; pv Bxc5 Bg2;
2rr3k/2qnbppp/p1n1p3/1p1pP3/3P1N2/1Q1BBP2/PP3P1P/1KR3R1 w - - acd 38; acs 889; bm Bxh7; c0 "Eljanov-Van Wely, Tch-RUS Sochi 2008"; c3 "Bxh7"; ce 266; id "arasan20.004"; pm Bxh7; pv Bxh7 Ndxe5 dxe5 Kxh7 Qd3+ Kg8 Nh5;
3q1r1k/1b3ppp/p1n5/1p1pPB2/2rP4/P6N/1P2Q1PP/R4RK1 w - - acd 35; acs 134; bm Qh5; c0 "Medusaz-Arasan, ICC 2016"; c3 "Qh5"; ce 587; id "arasan20.005"; pm Qh5; pv Qh5;
r1b1k2r/1p1pppb1/p5pp/3P4/q2p1B2/3P1Q2/PPP2PPP/R3R1K1 w kq - acd 55; acs 7548; bm Rxe7+; c0 "Svidler-Carlsen, Longyearbyen 2006"; c3 "Rxe7+"; ce 0; id "arasan20.006"; pm Rxe7+; pv Rxe7+ Kxe7 Re1+ Kf8 Bd6+ Kg8 Re7 Kh7 Qxf7 Rg8 Be5 Qb4 Qxg7+ Rxg7 Rxg7+ Kh8 Rxg6+ Kh7 Rg7+ Kh8 Rg6+;
R4bk1/2Bbp2p/2p2pp1/1rPp4/3P4/4P2P/4BPPK/1q1Q4 w - - acd 42; acs 891; bm Qa4; c0 "Gurevich-Bareev, Cap D'Agde KO 2002"; c3 "Qa4"; ce 627; id "arasan20.007"; pm Qa4; pv Qa4 Rb7 Bg3 e5 Rd8 Bf5 Qxc6 Rf7 dxe5 Qc2;
r1r3k1/p3bppp/2bp3Q/q2pP1P1/1p1BP3/8/PPP1B2P/2KR2R1 w - - acd 37; acs 712; bm e6; c0 "Ostapenko-Kurkin, USSR 1970"; c2 "14. Ostapenko-Kurkin (USSR) 1970"; c3 "e6"; ce 690; id "arasan20.008"; pm e6; pv e6 gxh6 gxh6+ Kf8 Rdf1 Bf6 Bxf6 Ba4 Bd8 Rxc2+ Kb1 Rc7 e7+ Rxe7 Bxa5 Rxe4 Bh5 Be8;
b2rk1r1/p3q3/2p5/3nPR2/3P2pp/1R1B2P1/P1Q2P2/6K1 w - - acd 35; acs 300; bm Bc4; c0 "Black Queen, Stockfish 081016 64-Mikachomika (Matrix C3 x64), playchess.com 2016"; c3 "Bc4"; ce 250; id "arasan20.009"; pm Bc4; pv Bc4;
r2q3r/1p1bbQ2/4p1Bk/3pP3/1n1P1P1p/pP6/Pn4PP/R1B1R1K1 w - - acd 39; acs 869; bm g4; c0 "Fier-Ryan, Sabadell op 2009"; c3 "g4"; ce 32730; dm 19; id "arasan20.010"; pm g4; pv g4 hxg3 h4 Rc8 Bc2 Be8 f5+ Bg5 hxg5+ Qxg5 Bxg5+ Kxg5 Qg7+ Kf4 Rf1+ Ke3 Qxg3+ Kxd4 Qf2+ Kxe5 Qf4+ Kf6 fxe6+ Kxe6 Bf5+ Kf6 Rae1 Rc4 bxc4 Rh1+ Kxh1 Bg6 Bd3+ Kg7 Qf8+ Kh7 Rf7+;
1r2brk1/4n1p1/4p2p/p2pP1qP/2pP1NP1/P1Q1BK2/2P4R/6R1 b - - acd 39; acs 832; bm Bg6; c0 "David-Enders, Bundesliga 9900 1999"; c3 "Bg6"; ce 257; id "arasan20.011"; pm Bg6; pv Bg6 hxg6 Nxg6 Rh5 Rxf4+ Bxf4 Qxf4+ Ke2 Qe4+ Kd2 Rf8 Rh3 Rf2+ Kd1 Qe2+ Kc1 Nxe5 dxe5 d4 Qb2 Rf1+ Rxf1 Qxf1+ Kd2 Qf2+ Kd1 Qg1+ Ke2 Qg2+ Ke1 Qxg4 Rxh6 Qg1+ Ke2 gxh6 Qb8+ Kf7;
1rb2k1r/2q2pp1/p2b3p/2n3B1/2QN4/3B4/PpP3PP/1K2R2R w - - acd 42; acs 148; bm Bd8; c0 "Volokitin-Mamedyarov, EU Club Cup Eilat ISR 2012"; c3 "Bd8"; ce 240; id "arasan20.012"; pm Bd8; pv Bd8 Ne4 Rxe4 Qxc4 Bxc4 Bb7 Re2 Rxd8 Rf1 Rd7 Nf5 Bxh2 Nh4 g5 Ng6+ Kg7 Nxh8 Kxh8 Rxf7 Rxf7 Bxf7 Bd6 c4 Kg7 Bd5 Bc8 Kxb2 Bf5 Re8 Kf6 Rh8 Kg7 Ra8 h5 Rxa6 Be5+ Kb3 h4 a4 g4 Ra7+ Kg6 a5 h3 gxh3 gxh3 a6;
5rk1/1pp3p1/3ppr1p/pP2p2n/4P2q/P2PQ2P/2P1NPP1/R4RK1 b - - acd 41; acs 173; bm Rf3; c0 "Arasan-Crafty, test game 2012"; c3 "Rf3"; ce 419; id "arasan20.013"; pm Rf3; pv Rf3 gxf3 Nf4 Qxf4 exf4 Kh2 Qh5 Rab1 Rf6 b6 cxb6 a4 Rg6 Rg1 Rxg1 Nxg1 Qe5 Kg2 Qd4 c3 Qxa4 Rxb6 Qc2 Rxb7 Qxd3 Rb3 Qa6 Ra3 a4 h4 Kf7 Nh3 e5 h5 Ke6 Ng1 d5 Nh3 Qc4 exd5+ Kxd5 Ra1 Qa6 Rd1+ Kc4 Rd7;
r4rk1/1b1n1pb1/3p2p1/1p1Pq1Bp/2p1P3/2P2RNP/1PBQ2P1/5R1K w - - acd 39; acs 2855; bm Nf5; c0 "Tal-Spassky, Tilburg 1980"; c3 "Nf5"; c4 "Gelfer.379.495"; ce 462; id "arasan20.014"; pm Nf5; pv Nf5 gxf5 Rxf5 Qg3 R1f3 Ra1+ Bd1 Qe5 Rxe5 Nxe5 Rf1 f6 Bh6 Rf7 Bxg7 Kxg7 Qf2 h4 Qxh4 Bc8 Qf2 f5 Bh5 Rxf1+ Qxf1 Rf6 Qf4 Nf7 Qg3+ Kf8 Qf2 Ke7 Bxf7 Rxf7 e5 dxe5 Qc5+ Kd8 Qb6+ Ke7 Qxb5 e4 Qxc4 Bd7 Qd4 Rf6 c4;
2kr2r1/ppq1bp1p/4pn2/2p1n1pb/4P1P1/2P2N1P/PPBNQP2/R1B1R1K1 b - - acd 41; acs 873; bm Nfxg4; c0 "Stockfish 4-Houdini 3, 2013 (Rybka forum)"; c2 "sweat.10"; c3 "Nfxg4"; ce 118; id "arasan20.015"; pm Nfxg4; pv Nfxg4 hxg4 Bxg4 Qe3 Bxf3 Nxf3 Nc4 Qe2 g4 Nd2 Ne5 Kg2 Ng6 Nf1 Nh4+ Kh1 Qe5 Ng3 Nf3 Be3 Nxe1 Rxe1 h5 Rg1 Kb8 Nf1 Bd6 f4 gxf3 Qxf3 Rg4 Qf2 f5 Nh2 Rdg8 Nxg4 hxg4 Qh4 Rh8 Bh6;
8/3r4/pr1Pk1p1/8/7P/6P1/3R3K/5R2 w - - acd 38; acs 300; bm Re2+; c0 "Aldiga (Brainfish 091016)-Knight-king (Komodo 10 64-bit), playchess.com 2016"; c3 "Re2+"; ce 427; id "arasan20.016"; pm Re2+; pv Re2+;
3r1rk1/q4pp1/n1bNp2p/p7/pn2P1N1/6P1/1P1Q1PBP/2RR2K1 w - - acd 40; acs 875; bm e5; c0 "Anand-Topalov, Sofia (m/4) 2010"; c3 "Nxh6+ e5"; ce 357; id "arasan20.017"; pm e5; pv e5 f5 exf6 Bxg2 Kxg2 Nd5 f7+ Rxf7 Nxf7 Qxf7 Qxa5 Rf8 Qxa6 Qf3+ Kg1 Qxg4 Re1 Rf6 Rc8+ Kh7 Qe2 Qxe2 Rxe2 Rf3 Rxe6 Rb3 Rd6 Nf6 Rc4 Rb8 Re6 Rxb2 Rxa4 Rb7 Kg2;
r1q2rk1/ppnbbpp1/n4P1p/4P3/3p4/2N1B1PP/PP4BK/R2Q1R2 w - - acd 37; acs 894; bm Bxh6; c0 "Shirazi-Guichard, Malakoff op 2009"; c3 "Bxh6"; ce 584; id "arasan20.018"; pm Bxh6; pv Bxh6 Bg4 Qc1 gxf6 exf6 Bxf6 Rxf6 Ne6 Bxf8 Qxf8 Nd5 Be2 Rf2 d3 Nf6+ Kg7 Bxb7 Rb8 Nd7 Qb4 Bxa6 Qd4 Qc3 Qxc3 bxc3 Rd8 Nf6 Kg6 Bc4 Ng5 Nd5 Kg7 Ne3 Kg6 Kg2 Rd7 Rf4 Re7 Nf5 Rc7 Nd6 Ne6 Bxe6 fxe6;
1R6/5p1k/4bPpp/3pN3/2pP1P1P/2r5/6PK/8 w - - acd 41; acs 831; bm h5; c0 "Carlsen-Aronian, Elista candidates (m/5) 2007"; c3 "h5"; ce 719; id "arasan20.019"; pm h5; pv h5 gxh5 Rf8 Rb3 f5 Bxf5 Rxf7+ Kg8 Ra7 Rb8 Kg3 Rd8 Nf7 Rf8 Nxh6+ Kh8 Nxf5 Rxf6 Kf4 Rg6 Ne3 Kg8 Rd7 Rf6+ Ke5 Rg6 Rxd5 Kf7 Rc5 Ke7 d5 Kd8 Rxc4 Rg3 Kd4 h4 Ra4 h3 gxh3 Rxh3 Ra7 Rh4+ Ke5 Rh1 Nf5;
3q1rk1/pr1b1p1p/1bp2p2/2ppP3/8/2P1BN2/PPQ3PP/R4RK1 w - - acd 37; acs 841; bm Bh6; c0 "Shredder-Rybka, WCCC 2006"; c3 "Bh6"; ce 206; id "arasan20.020"; pm Bh6; pv Bh6 c4+ Kh1 Bc5 Nd4 Bxd4 cxd4 f5 Qd2 Be6 b3 Kh8 Bxf8 Qxf8 Rf3 Rc7 Raf1 Rc8 Rh3 f4 Rh4 Qg7 Qxf4 Rg8 Qf3 Qg6 Qf6+ Qxf6 exf6 Bg4 Kg1 Be2 Rc1 Bd3 Kf2 Rg6 Rf4 Rg8 bxc4;
8/5pk1/p4npp/1pPN4/1P2p3/1P4PP/5P2/5K2 w - - acd 43; acs 141; bm Nxf6; c0 "Wunderlich-Patrici, WCCC27CT01 ICCF 2007"; c3 "Nxf6"; ce 1281; id "arasan20.021"; pm Nxf6; pv Nxf6;
8/6p1/P1b1pp2/2p1p3/1k4P1/3PP3/1PK5/5B2 w - - acd 167; acs 583; bm Bg2; c0 "Vincent Lejeune #36"; c1 "16) Lf1-g2 gewinnnt"; c3 "Bg2"; ce 32602; dm 83; id "arasan20.022"; pm Bg2; pv Bg2 Bxg2 e4 f5 gxf5 exf5 a7 fxe4 d4 cxd4 a8=Q d3+ Kc1 d2+ Kc2 d1=B+ Kxd1 Bf3+ Kc2 Kc5 Qf8+ Kd5 Qxg7 Ke6 Kd2 Kd6 Qf6+ Kd5 Qe7 Bh1 Qd7+ Kc5 Qe6 Kd4 Qd6+ Kc4 Qxe5;
r5n1/p1p1q2k/4b2p/3pB3/3PP1pP/8/PPPQ2P1/5RK1 w - - acd 42; acs 838; bm Qf4; c0 "Shulman-Marciano, Ubeda 1997"; c1 "diff=7"; c3 "Qf4"; ce 480; id "arasan20.023"; pm Qf4; pv Qf4 c6 exd5 cxd5 c4 Qd7 h5 Re8 Qf2 Bf5 Qxf5+ Qxf5 Rxf5 Ne7 Rf7+ Kg8 Rg7+ Kf8 cxd5 Nxd5 Rxa7 Rc8 Bg7+ Kg8 Bxh6 Nf6 b4 Rc4 b5 Rb4 a4 Nxh5 Kf2 Rb3 Rc7 Nf6 a5 Ne4+ Kf1 Rxb5 a6 Ra5 a7 Ra1+ Ke2 Nc3+ Rxc3 Rxa7 Bd2 Kf7;
2b2rk1/r3q1pp/1nn1p3/3pP1NP/p1pP2Q1/2P1N3/1P1KBP2/R5R1 w - - acd 37; acs 725; bm Nxh7; c0 "Vincent-Sebagh, 66th corr ch-FRA 2001"; c3 "Nxh7"; ce 667; id "arasan20.024"; pm Nxh7; pv Nxh7 Kxh7 Qg6+ Kg8 h6 Nxd4 cxd4 Rf7 Ra3 Nd7 Bh5 Nf8 Qxf7+ Qxf7 Bxf7+ Rxf7 hxg7 Rxg7 Ng4 Nd7 Nh6+ Kh8 Rh1 Ba6 Rxa4 Nb8 Nf7+ Kg8 Rh8+ Kxf7 Rxb8 c3+ Kxc3 Be2 Rb6 Bg4 Ra7+ Kg6 Rxg7+ Kxg7 b4 Kf7 b5 Be2 Rb8;
rnb3k1/p3qpr1/2p1p3/2NP3p/1pP3p1/3BQ3/P4PP1/4RRK1 w - - acd 41; acs 886; bm Qd4; c0 "Papenin-Karacsony, CS University Craiova - 10 Years ICCF 2010"; c3 "Qd4"; ce 224; id "arasan20.025"; pm Qd4; pv Qd4 a5 dxe6 Bxe6 Bf5 Nd7 Nxd7 Qxd7 Qxd7 Bxd7 Bxd7 Rg6 Re5 a4 Rxh5 Rd6 Bxg4 Rd4 Rg5+ Kf8 Rb1 Rxc4 Bf3 Rb8 Rh5 Kg7 Bd1 Ra8;
r3r1k1/p3bppp/q1b2n2/5Q2/1p1B4/1BNR4/PPP3PP/2K2R2 w - - acd 39; acs 874; bm Rg3; c0 "Tukmakov-Minenkov, Soviet Union 1969"; c2 "Aser Huerga test set"; c3 "Rg3"; c4 "Rd3g3 (got a !? but game-theor optimal) (Krogius_EofCM) #1660 white_wins"; ce 687; id "arasan20.026"; pm Rg3; pv Rg3 Qxf1+ Qxf1 bxc3 Qf4 Rad8 Bxc3 Rd6 Be5 Red8 Bxd6 Rxd6 Rd3 Rxd3 cxd3 a6 Qc4 Bd5 Qxa6 Bxb3 Qa8+ Bf8 axb3 g5 b4 Kg7 Qb8 h6 b5 Bc5 b6 Be3+ Kc2 Bf4 Qd8 Bxh2 b7 Ng4 Qd4+ Nf6 b4 h5 Qd8 Kg6;
2bq1rk1/rpb2p2/2p1p1p1/p1N3Np/P2P1P1P/1Q2R1P1/1P3P2/3R2K1 w - - acd 30; acs 60; bm f5; c0 "Soloman-MarioDeMonti, Tuesday 19 April Rapid Engine Tour 15+5, Infinity Chess 2016"; c3 "f5"; ce 123; id "arasan20.027"; pm f5; pv f5;
3q1r1k/2r2pp1/p6p/1pbppP1N/3pP1PP/3P1Q2/PPP4R/5RK1 w - - acd 40; acs 4317; bm g5; c0 "Pinkovetsky-Fischer, WC/27 final ICCF 2011"; c3 "g5"; ce 217; id "arasan20.028"; pm g5; pv g5 dxe4 Qxe4 Bd6 Rg2 Qa8;
1q6/6k1/5Np1/1r4Pp/2p4P/2Nrb3/PP6/KR5Q b - - acd 39; acs 890; bm Bd4; c0 "De Carbonnel-Berliner, 5th World CC Ch Final 1967"; c1 "11) ...Le3-d4 gewinnt"; c3 "Bd4"; ce 608; id "arasan20.029"; pm Bd4; pv Bd4 Qe1 Qe5 Qxe5 Rxe5 a4 Bf2 Nfe4 Bxh4 Rh1 Bxg5 Nxg5 Rxg5 Kb1 Rd8 Ka2 Rb8 Nb5 Ra8 Nc3 Rd8;
b2rk3/r4p2/p3p3/P3Q1Np/2Pp3P/8/6P1/6K1 w - - acd 39; acs 894; bm Qh8+; c0 "Grischuk-Svidler, WCh Mexico City (6) 2007"; c3 "Qh8+"; ce 409; id "arasan20.030"; pm Qh8+; pv Qh8+ Ke7 Qg7 Rf8 Nxe6 Re8 Qxd4;
2kr1b1r/1pp1ppp1/p7/q2P3n/2BB1pb1/2NQ4/P1P1N3/1R3RK1 w - - acd 35; acs 889; bm Rxb7; c0 "Critter 1.6a 4CPU-Rybka 4.1 4CPU, Scandinavian Thematic 2013 (G. Banks)"; c3 "Rxb7"; ce 695; id "arasan20.031"; pm Rxb7; pv Rxb7 Kxb7 Bxa6+ Ka8 Rb1 Rb8 Bb5 Rb6 Bxb6 cxb6 Qc4 Rh6 Nd4 Qa7 Bc6+ Kb8 Qc5 Kc8 Rxb6 Kd8 Ndb5 Ng3 Nxa7 Rh1+ Kg2 Bh3+ Kf3 Rf1+ Qf2 Bg4+ Kxf4 Rxf2+ Kxg4 Nf5 Rb8+ Kc7 Rxf8 Nd6 Nab5+ Nxb5 Nxb5+ Kb6 Re8;
r4rkq/1ppb4/3P2n1/1N1Pp3/P3Pbn1/3B1NP1/1P2QB2/R4RK1 b - - acd 30; acs 838; bm Rf7; c0 "Longin-Regina_H.Milch, 7th Centaur Weekend Tourney (CWT), Jan. 2016"; c3 "Rf7"; ce 972; id "arasan20.032"; pm Rf7; pv Rf7 gxf4 Nxf4 Qd2 Nh3+ Kg2 Ngxf2 Rxf2 Raf8 Be2 Nf4+ Qxf4 Rxf4 Kg1 Rg4+ Rg2 Qh3 Ne1 Qe3+ Kh1 Rxg2 Nxg2 Qxe2 Re1 Rf1+ Rxf1 Qxf1+ Kh2 Bxb5 axb5 cxd6 b6 Qe2 Kg3 Qxe4 b4 Qxd5 Ne3 Qd2 Kf3 Qxb4 Ke2 Qd4 Kf3;
br4k1/1qrnbppp/pp1ppn2/8/NPPBP3/PN3P2/5QPP/2RR1B1K w - - acd 35; acs 86; bm Nxb6; c0 "Anand-Illescas Cordoba, Linares 1992"; c3 "Nxb6"; ce 258; id "arasan20.033"; pm Nxb6; pv Nxb6 Nxb6 Na5 Qc8 Bxb6 Rxb6 Qxb6 Nd7 Qe3 h6 Rc2 Bc6 Nxc6 Rxc6 f4 e5 g3 Qc7 Be2 a5 Qd3 Qb7 b5 Rc5 Bg4 Nf6 Bf3 Nd7 Rdd2 Nb6 Be2 Nd7 Rc1 Rc7 Qd5 Qxd5 Rxd5 exf4 gxf4 Nf6;
r2q1rk1/ppp2p2/3p1np1/4pNQ1/4P1pP/1PPP4/1P3P2/R3K1R1 w Q - acd 47; acs 26280; bm Qh6; c0 "Morella-Fernandez, Cuba 1998"; c1 "diff=8"; c2 "sweat.02"; c3 "Qh6"; ce 690; id "arasan20.034"; pm Qh6; pv Qh6 Nh5 Rxg4 Qf6 Qxh5 Rfe8 Ne3 c6 Qh6 Qh8 Qxh8+ Kxh8 h5 Re6 Ke2 gxh5 Rh4 Rh6 Nf5 Rh7 Nxd6 f6 Rah1 Kg7 Nxb7 Rb8 Nc5 Rb6 Rxh5 Rxh5 Rxh5 Rb5 c4 Ra5 Nd7 Ra2 Rf5 Rxb2+ Ke3 Rxb3 Rxf6 Rb7 Rd6 a5 Nxe5 a4 Rxc6 Ra7 Kd4 Ra8 Rg6+ Kf8 Rg1 a3 Ra1 Ke7 f4 a2 c5 Ke6 f5+ K;
1qb2rk1/3p1pp1/1p6/1pbBp3/r5p1/3QB3/PPP2P1P/2KR2R1 w - - acd 37; acs 883; bm b3; c0 "Shirov-Zvjaginsev, Biel 1995"; c3 "b3"; ce 409; id "arasan20.035"; pm b3; pv b3 Rf4 Bxf4 exf4 Rxg4 Qe5 Rdg1 d6 Rxg7+ Qxg7 Rxg7+ Kxg7 Qe4 Ba3+ Kd2 Be6 Bxe6 fxe6 Qxe6 Bc5 Kd3 Rf7 Qg4+ Kf8 f3 Be3 Qg6 d5 Qd6+ Ke8 Qc6+ Ke7 Qxd5 b4 Kc4 Kf6 Kxb4 Rg7 Qd6+ Kf7 Qc7+ Kf8 Qb8+ Kf7 Qe5;
r1b2q1k/2Qn1p1p/1p1Rpp2/p6B/4P2P/6N1/P4PP1/6K1 w - - acd 41; acs 888; bm e5; c0 "Amateur-Rybka, ACCA East-West team match, ICC 2008"; c3 "e5"; ce 465; id "arasan20.036"; pm e5; pv e5 fxe5 Ne4 Rb8 Ng5 Rb7 Nxf7+ Qxf7;
r2q1rk1/p2pn3/bpp2p1p/3Nb1pQ/7B/8/PPB2PPP/R3R1K1 w - - acd 38; acs 143; bm Bxg5; c0 "Stockfish 7-Rybka 4.1, Gambit tournament 2016"; c3 "Bxg5"; ce 550; id "arasan20.037"; pm Bxg5; pv Bxg5 cxd5;
r4rk1/p4ppp/qp2p3/b5B1/n1R5/5N2/PP2QPPP/1R4K1 w - - acd 42; acs 1227; bm Bf6; c0 "Alekhine-Sterk, Budapest 1921"; c1 "diff=7"; c2 "arasan12.119"; c3 "Bf6"; ce 499; id "arasan20.038"; pm Bf6; pv Bf6 Rfc8 Qe5 Rc5 Rxc5 Qd3 Rcc1 gxf6 Qxf6 b5 Qg5+ Kh8 Ne5 Qf5 Qxf5 exf5 Nxf7+ Kg7 Nd6 Bb6 Nxf5+ Kf6 Nd6 Rf8 Rc2 b4 Rd1 Rd8 Rc6 Ke7 Nc8+ Kf7 Rxd8 Bxd8 Nd6+ Kg7 Nc4 Bf6 Rc7+ Kg6 b3 Nc3 Rxa7 Bd4 Ra6+ Kf5 Rd6 Bc5 Rh6 Bd4 Nd6+ Ke5 Nb5 Nxb5 Rh5+ Kf6 Rxb5 Bc3 Rb7;
r2q1rk1/4bppp/3pb3/2n1pP2/1p2P1PP/1P3Q2/1BP1N1B1/2KR3R b - - acd 36; acs 127; bm Ra2; c0 "Gereben-Geller, Budapest 1952"; c1 "AKA: arasan19.039"; c3 "Ra2"; ce 408; id "arasan20.039"; pm Ra2; pv Ra2;
2r2rkb/1Q1b3p/p2p3q/2PPnp2/1P2p1p1/2N5/P3BPPB/4RRK1 b - - acd 32; acs 124; bm e3; c0 "Houdini 4 x64-Stockfish 7 x64, Stockfish Gauntlet (G. Banks) 2016"; c3 "e3"; ce 528; id "arasan20.040"; pm e3; pv e3 f4 gxf3 Bxf3 Rb8 Qxa6 Rxb4 Qxd6 Qxd6 cxd6 Nxf3+ Rxf3 Bxc3 Rexe3 Bd4 Bf4 Ra8 g3 Rb2 Rf2 Raxa2 Rxb2 Rxb2 Kh1 Bxe3 Bxe3 Rb5 Kh2 Rxd5 Bf4 Kf7 Kg2 Kg6 Kf2 Rd3 Ke2 Bb5 Kf2 Kf7 Be5 Rd2+ Kf3 Rd5 Bf4 Rd3+ Kf2;
2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - acd 63; acs 13920; bm f6; c0 "study by Smyslov"; c1 "diff=9"; c2 "sweat.11"; c3 "f6"; ce 3508; id "arasan20.041"; pm f6; pv f6 Bxh3 c7 Kg8 Rd8 Rf8 Kc2 Bc8 Kc3 a5 Kxc4 Ba6+ Kxc5 Bc8 a3 Bb7 a4 Bc8 Kb6 Bf5 Kxa5 Kh7 Rxf8 Kg6 Kb6 Kg5 a5 Be4 c8Q Kf4 Rxf7 Bg2 a6 Bf3 a7 Bh5 a8Q Kg3 Qc7+ Kg4 Qc4+ Kg3 Qc7+ Kg4;
rn1qr1k1/1p2bppp/p3p3/3pP3/P2P1B2/2RB1Q1P/1P3PP1/R5K1 w - - acd 50; acs 4002; bm Bxh7+; c0 "Polugaevsky-Torre, London 1984"; c1 "diff=7"; c3 "Bxh7+"; ce 462; id "arasan20.042"; pm Bxh7+; pv Bxh7+ Kxh7;
4n3/2p5/1p2r2P/p1p2R2/P1N1k3/1PP4K/8/8 w - - acd 45; acs 890; bm Re5+; c0 "Anand-Landa, Bundesliga 0506 2005"; c3 "Re5+"; ce 807; id "arasan20.043"; pm Re5+; pv Re5+ Rxe5 Nxe5 Nf6 Nd7 Nh7 Kg4 b5 axb5 c4 bxc4 Kd3 c5 a4 b6 a3 bxc7 a2 c8Q a1Q Kf5 Qg1 Qa6+ Kxc3 Qa3+ Kc2 Qa4+ Kb2 Qb4+ Ka1 Qf4 Qb1+ Ke6 Qg6+ Ke7 Qc2 Kd6 Qg6+ Kc7 Ka2 c6 Ng5 Qf6 Qg8 Qf5 Nf7 Qc2+ Ka3 h7 Qd8+ Kb7 Nd6+ Ka6 Qh8 Qd3+ Kb2 Kb6 Nc8+ Kb7 Ka2 c7 Kb2 Kc6;
1n3rk1/3rbppp/p2p4/4pP2/Ppq1P3/1N2B3/1PP3PP/R2Q1R1K w - - acd 35; acs 1719; bm f6; c0 "Kuzmin-Groszpeter, Kusadasi 1990"; c1 "http://www.stmintz.com/ccc/index.php?id=403219"; c3 "f6"; ce 209; id "arasan20.044"; pm f6; pv f6 Bxf6 Rxf6 Qxe4 Rf3 h6 Qd2 Rc8 Rc1 Rdc7 Qxd6 Rc6 Qd1 Rxc2 Rxc2 Qxc2 Qd5 Qc4 Qb7 Rd8 Na5 Qd5 Qc7 Re8 Nc4 Qd7 Qc5 Qd1+ Bg1 Nd7 Qxb4 Nf6 Qa5 e4 Rg3 Nd5 Qxa6 h5;
8/2p1k3/3p3p/2PP1pp1/1P1K1P2/6P1/8/8 w - - acd 59; acs 133; bm g4; c0 "Camacho Martinez-An. C. Hernandez, Cuba 1995"; c3 "g4"; ce 32710; dm 29; id "arasan20.045"; pm g4; pv g4 fxg4 f5 g3 Ke3 g2 Kf2 g1R Kxg1 h5 Kh2 g4 Kg3 dxc5 bxc5 Kf6 c6 Ke5 f6 Kxf6 d6 cxd6 c7 Kg5 c8Q h4+ Kg2 Kf4 Qe6 h3+ Kh2 Kf3 Qf5+ Ke3 Qxg4 d5 Kxh3 Kd3 Kg3 d4 Kf4 Kc3 Ke4 d3 Qc8+ Kb4 Kxd3 Kb5 Qe6 Kc5 Kc3 Kb5 Qd6 Ka5 Kc4 Ka4 Qa6+;
r1b2rk1/pp2bppp/3p4/q7/3BN1n1/1B3Q2/PPP3PP/R4RK1 w - - acd 40; acs 870; bm Qxf7+; c0 "Velimirovic-Popovic, Yugoslavia 1986"; c3 "Qxf7+"; ce 394; id "arasan20.046"; pm Qxf7+; pv Qxf7+ Rxf7 Rxf7 Bf6 Rxf6+ d5 Rd6 Kh8 Ng5 Bf5 Nf7+ Kg8 Rxd5 Qc7 Ne5 Be6 Nxg4 Bxd5 Bxd5+ Kf8 b4 Qd7 Ne3 Rc8 Bxa7 Qa4 Bc5+ Rxc5 bxc5 Qd4 Rf1+ Ke8 Kf2 Qxc5 Ke2 Qb5+ Kd2 Qb2 Kd3 Qa3+ Ke2 b5 Rf7 Qc3 g3 b4 Rb7 h6 Bc4 Kd8 Bd3 Qe5 Rxb4;
r1b1rk2/p1pq2p1/1p1b1p1p/n2P4/2P1NP2/P2B1R2/1BQ3PP/R6K w - - acd 37; acs 894; bm Nxf6; c0 "Gutsche-Jones, W-ch24 sf05 email 2000"; c2 "arasan12.140"; c3 "Nxf6"; ce 900; id "arasan20.047"; pm Nxf6; pv Nxf6 gxf6 Rg3 Qf7 Bg6 Qe7 Bxe8 Bg4 Ba4 h5 h3 Qe2 Qc3 Be7 Re1 Qxc4 hxg4 Qxc3 Bxc3 hxg4 Rxg4 Kf7 Rh4 Bf8 Rh7+ Bg7 Re6 Rh8 Rxh8 Bxh8 Re8 Bg7 Rc8 Bf8 Rxc7+ Kg8 Rxa7 Bxa3 Bxf6 Bd6 Bc2 Bb8;
r2qr3/2p1b1pk/p5pp/1p2p3/nP2P1P1/1BP2RP1/P3QPK1/R1B5 w - - acd 40; acs 138; bm Bxh6; c0 "Gurgenidze-Klovans, Soviet Union 1959"; c2 "Aser Huerga test set"; c3 "Bxh6"; c4 "Bc1xPh6 (got a !? but game-theor optimal) (Krogius_EofCM) #1730 white_wins"; ce 997; id "arasan20.048"; pm Bxh6; pv Bxh6;
1rbq1rk1/p5bp/3p2p1/2pP4/1p1n1BP1/3P3P/PP2N1B1/1R1Q1RK1 b - - acd 46; acs 1996; bm Bxg4; c0 "Grefe-Kaplan, Berkeley 1968"; c3 "Bxg4"; ce 369; id "arasan20.049"; pm Bxg4; pv Bxg4 hxg4 Qh4 Be3 Rxf1+ Qxf1 Rf8 Qe1 Nxe2+ Qxe2 Be5 Bf3 Qg3+ Qg2 Rxf3 Qxg3 Rxg3+ Kf2 Rxg4;
k1b4r/1p3p2/pq2pNp1/5n1p/P3QP2/1P1R1BPP/2P5/1K6 b - - acd 38; acs 136; am Nxg3; bm Rd8; c0 "Deep Fritz 13 Q6600-Arasan 17.2 Q6600, SSDF 2014"; c3 "Rd8"; ce -62; id "arasan20.050"; pm Rd8; pv Rd8 g4;
7b/8/kq6/8/8/1N2R3/K2P4/8 w - - acd 127; acs 24; bm Nd4; c0 "study by Kubbel"; c1 "Leonid Kubbel"; c3 "Nd4"; c4 "(JenoBan_TofE) #29 draw"; ce 0; id "arasan20.051"; pm Nd4; pv Nd4 Qd8 Ra3+ Kb7 Rb3+ Kc8 Rb8+ Kxb8;
q3nrk1/4bppp/3p4/r3nPP1/4P2P/NpQ1B3/1P4B1/1K1R3R b - - acd 39; acs 2178; bm Nc7; c0 "Karjakin-Anand, Corus Wijk aan Zee 2006"; c1 "diff=7"; c3 "Nc7"; ce 415; id "arasan20.052"; pm Nc7; pv Nc7 Qxc7 Rc8 Qxa5 Qxa5 Bc1 Nc4 Rd5 Qa4 Rg1 Nxa3+ bxa3 Rc2 Bh1 Qc4;
2r5/8/6k1/P1p3p1/2R5/1P1q4/1K4Q1/8 w - - acd 35; acs 140; bm a6; c0 "Stockfish 091114 - Houdini 4, TCEC Season 7, Stage 3 2014"; c3 "a6"; ce 996; id "arasan20.053"; pm a6; pv a6 Rc7;
8/3R1P2/1ppP1p2/3r4/8/K7/p4k2/8 w - - acd 55; acs 876; bm Kb2; c0 "A. Herbstmann, 1954"; c3 "Kb2"; ce 32714; dm 27; id "arasan20.054"; pm Kb2; pv Kb2 a1=B+ Kxa1 Ra5+ Kb2 Rb5+ Kc3 Rc5+ Kd3 f5 Ra7 Rd5+ Kc2 Rc5+ Kb1 Rb5+ Ka1 Re5 Ra2+ Kf3 d7 Re1+ Kb2 Re2+ Kc3 Re3+ Kc2 Re2+ Kd1 Rxa2 d8=Q Ra1+ Kc2 Ra2+ Kb1 Ra5 f8=Q Rb5+ Kc2 Rc5+ Kd2 Rd5+ Qxd5+ cxd5 Qxf5+ Kg3 Ke2 d4 Qg5+ Kh2 Kf3 d3 Qg2+;
2qrrbk1/1b3ppp/pn1Pp3/6P1/1Pp2B2/1nN2NQB/1P3P1P/3RR1K1 w - - acd 38; acs 880; bm g6; c0 "Gulko-Popovic, Paris 1986"; c3 "g6"; ce 615; id "arasan20.055"; pm g6; pv g6 Bxf3 gxf7+ Kxf7 Qxf3 Kg8 Qe3 Nd7 Bxe6+ Kh8 Bg5 h6 Bxd8 Qxd8 Qg3 a5 Nd5 axb4 Nc7 Nbc5 Nxe8 Qxe8;
r1q1nrk1/3nb2p/3p2p1/p5P1/1pbNPB2/1N6/PPPQ4/2KR1B1R w - - acd 32; acs 600; bm Nf5; c0 "Broniek-Santamaría Pérez, EU/C2014/sf-05 ICCF 2014"; c3 "Nf5"; ce 329; id "arasan20.056"; pm Nf5; pv Nf5 gxf5 Nd4 a4 Qh2 Rf7 g6 Rg7 Nxf5 Ndf6 Bh6 hxg6 Bxc4+ Qxc4 Bxg7 gxf5 Qh8+ Kf7 Bxf6 Bxf6 Rh7+ Bg7 Rxg7+ Nxg7 Qxa8 b3 axb3 axb3 c3 fxe4 Rxd6 Qf1+ Rd1 Qf4+ Kb1 Qf5 Qa7+ Kg8 Qb8+ Kf7 Qxb3+ Ne6 Qc2 Nc5 Re1;
5rk1/pp3ppp/3q4/8/2Pp2b1/P5Pn/PBQPr1BP/4RR1K b - - acd 34; acs 900; bm Rxg2; c0 "Komodo move (posted by Michael B)"; c3 "Rxg2"; ce 2233; id "arasan20.057"; pm Rxg2; pv Rxg2;
3b3r/1q3pk1/4b2p/3pPppQ/R1pP1P1P/1rP1N1P1/6N1/2R3K1 w - - acd 35; acs 143; bm g4; c0 "Stockfish 7 x64-Fritz 15 x64, Stockfish Gauntlet (G. Banks) 2016"; c3 "g4"; ce 244; id "arasan20.058"; pm g4; pv g4 Rb1;
r1b2rk1/pp1p2pR/8/1pb2p2/5N2/7Q/qPPB1PPP/6K1 w - - acd 40; acs 136; bm g3; c0 "Rybka-Shredder, WCCCC Pamplona Openclass 2009"; c2 "sweat.05"; c3 "g3"; ce 1043; id "arasan20.059"; pm g3; pv g3;
7q/3k2p1/n1p1p1Pr/1pPpPpQ1/3P1N1p/1P2KP2/6P1/7R w - - acd 41; acs 877; bm Nxd5; c0 "Nezhmetdinov-Zagorovsky, URS 1967"; c3 "Nxd5"; ce 476; id "arasan20.060"; pm Nxd5; pv Nxd5 cxd5 c6+ Kxc6 Qe7 Kb6 Rc1 Qa8 Qxg7 Rh8 Qd7 Qd8 Qxe6+ Ka7 Qf7+ Kb8 f4 Rf8 Qe6 Kb7 Qc6+ Ka7 Ra1 Qc8 Rxa6+ Qxa6 Qc5+ Kb7 Qe7+ Kb6 Qxf8 Qa1 Qb8+ Kc6 Qd6+ Kb7 Qxd5+ Kc7 Qc5+ Kd8 Qd6+ Kc8;
5rk1/8/pqPp1r1p/1p1Pp1bR/4B3/5PP1/PP2Q1K1/R7 w - - acd 47; acs 1818; bm Rxg5+; c0 "sedarpi-noamgmi, www.chesspresso.net 2014"; c3 "Rxg5+"; ce 556; id "arasan20.061"; pm Rxg5+; pv Rxg5+ hxg5 Qd2 Qd4 Qxg5+ Kf7 Rc1 Rh8 c7 Qxb2+ Rc2 Qb1 Qh4 Rfh6 c8=Q Rxc8 Rxc8 Rxh4 Bxb1 Rd4 Rc7+ Ke8 Ra7 Rxd5 Rxa6 b4 g4 Ke7 Kf2 Kf6 Bf5 Rd1 Ke3 Rd4 Rb6 Kg5 Bd3 Kf6 Rb5 Kg5 Rb7 Kf6 Rb8 Rd5 Rxb4 Rc5 Rb6 Ke7 a4 Ra5 Rb7+ Kf6 Rb4 Rc5 Rb5 Rc1 Rb6 Ke6 a5 Re1+ K;
3r2k1/pb3Np1/4pq1p/2pp1n2/3P4/1PQ5/P4PPP/R2R2K1 b - - acd 38; acs 873; bm Nxd4; c0 "Arasan-Crafty, ICC 2009"; c2 "arasan12.188"; c3 "Nxd4"; ce 286; id "arasan20.062"; pm Nxd4; pv Nxd4 Qxc5 Ne2+ Kf1 Rc8 Qd6 Rc2 Qd8+ Kxf7 Qxf6+ gxf6 Ke1 e5 Rd2 Nd4 Kd1 Rc3 Rc1 Nb5 f3 d4 Rxc3 Nxc3+ Ke1 Ke6 h3 Bd5 Kf2 Kf5 Kf1 Kf4 Kf2 Bf7 Rc2 Be6 Rd2 Bd5 h4 Kf5 Kg3;
2kr1r2/ppq1b1p1/2n5/2PpPb1N/QP1B1pp1/2P5/P2N1P1P/R4RK1 b - - acd 35; acs 862; bm Rh8; c0 "Arasan-Q9550 (Rybka), ICC 2009"; c3 "Rh8"; ce 382; id "arasan20.063"; pm Rh8; pv Rh8 Ng3 Bd3 Rae1 fxg3 fxg3 Bxf1 Nxf1 Rh5 Re2 Nxe5 Qxa7 Nf3+ Kh1 Rdh8 Be3 Bg5 Qa8+ Qb8 Qxb8+ Kxb8 Bxg5 Nxg5 Re7 g6 Kg2 Nf3 Kf2 Nxh2 Ne3 Nf3 Nxg4 Ng5 Ke3 Ne4 Kd4 Nxg3 Ne3;
r1r2k2/pp2bpp1/2bppn1p/6B1/2qNPPPP/2N5/PPPQ4/1K1RR3 w - - acd 39; acs 2218; bm f5; c0 "Vasiukov-Van Wely, Aeroflot Open Moscow 2002"; c3 "f5"; ce 247; id "arasan20.064"; pm f5; pv f5 Kg8 Bxh6 gxh6 fxe6 Kh7 b3 Qb4 g5 Nxe4 Nxe4 Qxd2 Rxd2 fxe6 Nxe6 Bxe4 Rxe4 hxg5 hxg5 Kg8 c4 Bf8 Nxf8 Rxf8 Rxd6 Rf7 g6 Rc7 Rde6 b6 Kb2 Rac8 Re7 Rc6 Rxa7 Rxg6 Rb7 Rf8 Ree7 Rg2+ Ka3 Ra8+ Kb4;
3r2k1/6p1/B1R2p1p/1pPr1P2/3P4/8/1P3nP1/2KR4 w - - acd 50; acs 109; bm Rc8; c0 "Ruffian-Arasan, test game 2009"; c3 "Rc8"; ce 364; id "arasan20.065"; pm Rc8; pv Rc8 Nxd1 c6 Ne3 c7 Rxc8 Bxc8 Kh7 Be6 Rxd4 Bb3 Rd3 Bc2 Nxc2 Kxc2 Rg3 c8Q Rxg2+ Kb3 Re2 Qd7 Re5 Kb4 h5 Ka5 Kh6 Qd2+ g5 fxg6+ Kxg6 Qf4 Rf5 Qg3+ Rg5 Qh3 Kg7 b3 Re5 b4 Rg5 Kb6 Re5 Qg3+ Kh6 Ka5 Rg5 Qf3 Kg7 Qf4 Kg6 Qh4 Kg7 Qd4 Kg6 Kb6 Re5 Qh4 Kf7 Kc6 Kg6 Kd6 Kg7 Qg3+ Rg5 Qf4 Re5 Qh4;
3qb1k1/5rb1/r3p1Np/1n1pP2P/p1pB1PQ1/2P5/R1B4K/6R1 w - - acd 33; acs 124; bm Bc5; c0 "Maximus-Akhtar, 90'+15, IC Freestyle Battle 2014"; c3 "Bc5"; ce 337; id "arasan20.066"; pm Bc5; pv Bc5 Rc6 Bb4 d4 Bxa4 Ra6 Nf8 Bc6 Nxe6 Qd7 Qg6 Bb7 f5 Be4 Qxh6 Bxf5 Rxg7+ Rxg7 Qxg7+ Qxg7 Nxg7 Rxa4 Rxa4 Kxg7 cxd4 Be4 Kg3 Nxd4 Kf4 Bd3 Ra6 Ne2+ Kg5 c3 Ra7+ Kg8 e6 c2 Ba3 Nd4;
3q1k2/p4pb1/3Pp3/p3P3/r6p/2QB3P/3B1P2/6K1 w - - acd 45; acs 773; bm Bb5; c0 "MingLi (Rybka 3 Dyanmic)-Ultrapower (Rybka), playchess.com 2009"; c3 "Bb5"; ce 907; id "arasan20.067"; pm Bb5; pv Bb5 Ra2 Be3 a6 d7 Ra1+ Qxa1 axb5 Qd1 Bxe5 Bc5+ Kg7;
r4r1k/ppqbn1pp/3b1p2/2pP3B/2P4N/7P/P2B1PP1/1R1QR1K1 w - - acd 36; acs 887; bm Rxe7; c0 "Q9550(Rybka)-Arasan, ICC 2009"; c3 "Rxe7"; ce 622; id "arasan20.068"; pm Rxe7; pv Rxe7 Qd8 Re1 Qc7 Ng6+ Kg8 Nxf8 Rxf8 Bg4 f5 Bf3 b6 Bc3 Bc8 Qe2 Bh2+ Kh1 Bd6 Be5 Bd7 Bxd6 Qxd6 Qe5 Rf6 Kh2 Kf8 Qxd6+ Rxd6 Kg3 g5 Re5 f4+ Kh2 h6 Be2 Be8 Bd3 Bf7 g3 Bg6 Bxg6 Rxg6;
1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - - acd 177; acs 425; bm Nf6+; c0 "Topalov-Lutz, Sparkassen Gp 1 2002"; c3 "Nf6+"; ce 32592; dm 88; id "arasan20.069"; pm Nf6+; pv Nf6+ gxf6 Rd8+ Rxd8 Rxd8+ Kh7 Qf8 h5 g4 hxg4 fxg4 Qh1+ Kb2 Ra8 Qh8+ Kg6 Rxa8 Bxg4 Rg8+ Kf5 Qh7+ Kf4 Qh4 Qd1 Qxf6+ Bf5 Rc8 Qd5 Rc4+ Ke3 Qc3+ Ke2 Rc5 Qe4 Re5 Kf2 Qg3+ Kf1 Rxe4 Bxe4 Qf4+ Kg1 Qxe4 Kxh2 Qe5+ Kg2 Qxa5;
r2q1r2/1bp1npk1/3p1p1p/p3p2Q/P3P2N/1BpPP3/1P1N2PP/5RK1 w - - acd 39; acs 864; bm Rf3; c0 "Spark 0.3-Doch 09.980, Johan Havegheer 2009"; c3 "Rf3"; ce 1110; id "arasan20.070"; pm Rf3; pv Rf3 Qc8 Rg3+ Kh7 Bxf7 Rg8 Bxg8+ Qxg8 Nf5 Nxf5 Qxf5+ Kh8 Qxf6+ Kh7 Qe7+ Kh8 Rxg8+ Rxg8 bxc3 Rg7 Qe6 Ba6 Qxh6+ Kg8 Qe6+ Kh8 d4 exd4 exd4 Be2 Qh3+ Kg8 Qc8+ Kh7 Qf5+ Kg8 Qxa5 Bg4 Qd5+ Kf8 Qa8+ Kf7 Qd8 Kg6 a5 Be2 Qc8 Kh7 Qa8 c5 e5 Bd3 Qf3;
2r3k1/1bp3pp/pp1pNn1r/3P1p1q/1PP1pP2/P3P1P1/3Q3P/2RR1BK1 w - - acd 36; acs 601; bm c5; c0 "Komodo 10.4-Andscacs 0.89, Andreas Strangmüller 2017"; c3 "c5"; ce 199; id "arasan20.071"; pm c5; pv c5 Nxd5;
2r3r1/1p1qb2k/p5pp/2n1Bp2/2RP3P/1P2PNQ1/5P1K/3R4 w - - acd 43; acs 897; bm Ng5+; c0 "Stockfish-Shredder, Pavel Hase 2010"; c3 "Ng5+"; ce 505; id "arasan20.072"; pm Ng5+; pv Ng5+ Bxg5 dxc5 Qxd1 Rd4 Qxd4 exd4 Be7 Qf3 Rc6 b4 Bxh4 d5 Bf6 dxc6;
rn3rk1/pp1q3p/4p1B1/2p5/3N1b2/4B3/PPQ2PPP/3R2K1 w - - acd 40; acs 837; bm Nf5; c0 "Chiru-Tudor, ROM-ch2 email 2006"; c3 "Nf5"; ce 366; id "arasan20.073"; pm Nf5; pv Nf5 exf5 Rxd7 Nxd7 Bxf5 Bxe3 fxe3;
rr5k/1q2pPbp/3p2p1/PbpP4/1nB1nP1Q/1NB5/1P4PP/R4R1K w - - acd 42; acs 4020; bm f5; c0 "Chiku-Ratte - Rakotomaharo, Montreal, 2015"; c3 "f5"; ce 209; id "arasan20.074"; pm f5; pv f5 g5 Qxe4 Bxc4 Qxc4 Qxd5 Bxg7+ Kxg7 Qc3+ Qe5 Qf3 Qf6 Nd2 Kh8 Ne4 Qxf7 Qc3+ Qg7 f6 exf6 Nxd6 Ra6 Ne4 f5 Nxc5 Rc6 Qxg7+ Kxg7 Rxf5 h6 Kg1 Re8 Nb3 Rc2 Rf2 Rc6 Rd2 Kg6 Rd7 Rf6 Nd4 Re4 Rd1 Ref4 Nf3 Re4 R1d4 Rxd4 Rxd4 Nc2 Ra4;
r4rk1/pp1qbppp/1n6/6R1/P1pP4/5Q1P/2B2PP1/2B2RK1 w - - acd 43; acs 1182; bm Rxg7+; c0 "Anand-Adams, Oakham 1990"; c3 "Rxg7+"; ce 287; id "arasan20.075"; pm Rxg7+; pv Rxg7+ Kxg7 Bf5 Qc6 Qg4+ Qg6 Bxg6 hxg6 Qe4 Rfe8 a5 Na4 d5 Nc3 Qxc4 Rac8 Qd4+ Kg8 Kh1 Nb5 Qb2 a6 Bh6 Bf8 Bxf8 Rxf8 f4 Nd6 Kh2 Rc7 Re1 Rfc8 Qf6 Rd7 Re7 Rcc7 Rxd7 Rxd7 Qe5 Kf8 g4 Nc4 Qd4 Nd6 Kg3 Rd8 Qe5 Nb5 h4 Re8 Qf6;
1r4k1/p7/2P1n1pp/5p2/2QPqP2/PN2p3/5P1P/4RK2 b - - acd 36; acs 60; bm Rc8; c0 "Komodo 10.4-Andscacs 0.89, Andreas Strangmüller 2017"; c3 "Rc8"; ce 0; id "arasan20.076"; pm Rc8; pv Rc8 Rxe3 Qh1+ Ke2 Rxc6 Nc5 Rb6 Qa2 Qc1 Nd3 Qb1 Qxb1 Nxd4+ Kd2 Rxb1 Re8+ Kf7 Rd8 Nf3+ Ke2 Nxh2 Rd7+ Ke6 Rxa7 h5 Ra6+ Kd5 Rxg6 Ra1 Ra6 Ra2+ Ke3 Ng4+ Kf3 Kd4 Rd6+ Kc4 Ne5+ Kc5 Ra6 Rxf2+ Kg3 h4+ Kxh4 Rxf4 Nd3+ Kb5 Nxf4 Kxa6;
1qrrbbk1/1p1nnppp/p3p3/4P3/2P5/1PN1N3/PB2Q1PP/1B2RR1K w - - acd 47; acs 3277; bm Bxh7+; c0 "Georgiev-Ionescu, UAE 1986"; c1 "diff=5"; c3 "Bxh7+"; ce 650; id "arasan20.077"; pm Bxh7+; pv Bxh7+ Kxh7 Ne4 Kg8 Ng5 g6 Qg4 Bg7 Qh4 Nf8 Ng4 Rc5 Nf6+ Bxf6 exf6 Rxg5 fxe7 Nh7 exd8=Q Qxd8 Qh6 e5 Bxe5 Rxe5 Rxe5 Bc6 Qe3 Qd6 c5 Qd8 Re7 Qd5 Qg3 Ng5 Re5 Ne4 Qf4 g5 Rxd5 gxf4 Rf5 f6 R5xf4 Kf7 b4 Ke6 Kg1 Ke5 Rf5+ Kd4 a3 Kc4 R5f4 Kb3 R1f3+ Kc4 h4 a5 bxa5 Kd5;
r1b2rk1/qp5p/p1n1ppp1/7N/4P1P1/2N1pP2/PPP5/2KR1QR1 w - - acd 37; acs 141; bm e5; c0 "Van Kempen-Kariz, EU-chT fin 03 corr 1999"; c3 "e5"; ce 277; id "arasan20.078"; pm e5; pv e5 fxe5 Ne4 gxh5 gxh5+ Kh8 h6 b5 Qg2 e2 Qg7+ Qxg7 hxg7+ Kg8 gxf8Q+ Kxf8 Rd3 Ra7 Kd2 Bd7 Kxe2 Nb4 Rd2 Rc7 c3 Nd5 Rg5 Rc6 Rxe5 h6 Ng3 Be8 Kf2 Bf7 Re4 Kg7 Rh4 Nf6 Rhd4 Nd5 Rd1 h5 Rh1 Nf6 Rd8 Be8 Re1 Bg6 Rg1 Kh6 Rh1 e5;
3r4/2q5/5pk1/p3n1p1/N3Pp1p/1PPr1P1P/2Q1R1P1/5R1K b - - acd 40; acs 830; bm g4; c0 "Critter 0.60-Deep Fritz 12, Martin Thoresen 2010"; c3 "g4"; ce 344; id "arasan20.079"; pm g4; pv g4 b4 gxf3 gxf3 Qd7 Rg2+ Kh5 Rh2 Rxf3 Qe2;
1q2r1k1/3R1pb1/3R2p1/7p/p3N3/2P1BP1P/1P3PK1/8 b - - acd 34; acs 60; bm Rxe4; c0 "Komodo 10.4-Deep Shredder 13, Andreas Strangmüller 2017"; c3 "Rxe4"; ce -62; id "arasan20.080"; pm Rxe4; pv Rxe4;
r1b1k2r/2q2pp1/p1p1pn2/2b4p/Pp2P3/3B3P/1PP1QPP1/RNB2RK1 b kq - acd 44; acs 6560; bm Ng4; c0 "Nataf-Volokitin, SCG-chT Budva 2004"; c3 "Ng4"; ce 22; id "arasan20.081"; pm Ng4; pv Ng4 e5 Nxe5 Bf4 Bd6 Nd2 Nf3+ Qxf3 Bxf4 Rad1 Bb7 Rfe1 Rd8 Nc4 h4 Be4 Rxd1 Qxd1 Kf8 Qd3 a5 Rd1 Rh5 Ne3 Bxe3 fxe3 g6 Bf3 Re5 c3 Kg7 cxb4 axb4 Qd8 Qxd8 Rxd8 Rc5 Rb8 Rc1+ Kh2 Ba6 Rb6 Bd3 Rxb4 c5;
2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - acd 43; acs 166; bm Rxg7; c0 "IvanHoe 57aU-x64.F-Deep Rybka 4, 2010"; c2 "http://www.open-chess.org/viewtopic.php?f=4&t=281"; c3 "Rxg7"; ce 318; id "arasan20.082"; pm Rxg7; pv Rxg7 Bxg7 Bxh6 Bg4 Bxg7+ Kxg7 Qh7+ Kf8 Qh8+ Ke7 Qh4+ Kf8 Qh6+ Kg8 Bh7+ Kh8 Bf5+ Kg8 Qh7+ Kf8 Qh8+ Ke7 Qf6+ Kf8 Bxg4 Qc6 Qh8+ Ke7 Qh4+ Kf8 Bxc8 Rxc8 h3 b6 Re1 Re8 Re3 Re6 Rf3 Kg8 Qg5+ Kf8 Qf5 Qe8 Qh7 Ke7 Qh4+ Kf8 Rg3 Rg6 Rxg6 fxg6 Qh8+ Kf7 Qxe8+ Kxe8 f4 Ke;
6k1/p4qp1/1p3r1p/2pPp1p1/1PP1PnP1/2P1KR1P/1B6/7Q b - - acd 33; acs 143; bm h5; c0 "Arasan-ProDeo, YAT Tournament 2015"; c3 "h5"; ce 408; id "arasan20.083"; pm h5; pv h5 Kd2;
rnb1kb1r/pp1p1ppp/1q2p3/8/3NP1n1/2N1B3/PPP2PPP/R2QKB1R w KQkq - acd 38; acs 879; bm Qxg4; c0 "WC25-SF20 ICCF Email 2001.08.01 Dahlgren, Jonas (SWE) vs Dolgitser, Konstantin"; c3 "Qxg4"; ce 241; id "arasan20.084"; pm Qxg4; pv Qxg4 Qxb2 Kd2 Qxa1 Nxe6 Qxc3+ Kxc3 dxe6 Kb2 Bd7 Bc4 h5 Qg3 Bc6 Bg5 Nd7 Rd1 Rc8 Bh4 Rh6 Qd3 Be7 Bxe7 Ne5 Qd4 Nxc4+ Qxc4 Kxe7 Qc5+ Kf6 Qxa7 Kg6 Qd4 Rhh8 f3;
r3kb1r/1b1n2p1/p3Nn1p/3Pp3/1p4PP/3QBP2/qPP5/2KR1B1R w kq - acd 38; acs 888; bm Qg6+; c0 "Morozevich - Vachier-Lagrave, Biel 2009 (analysis after 17. .. Bb7)"; c3 "Qg6+"; ce 291; id "arasan20.085"; pm Qg6+; pv Qg6+ Ke7 g5 Nxd5 Bc5+ Nxc5 Nxc5 Qa1+ Kd2 Nf4 Qb6 Rd8+ Qxd8+ Kxd8 Nxb7+ Kc8 Rxa1 Kxb7 Bxa6+ Kc7 Bc4 Bc5 Ra5 Rd8+ Kc1 Bd4 Rb5 Rb8 Rxb8 Kxb8 Kb1 Bc5 Ka2 Kc7 Kb3 Ng2 Bd5 Nf4 Be4 Bd4 gxh6 gxh6 Ra1 Kb6 Ra8 h5 Kxb4 Bxb2;
1r1qrbk1/pb3p2/2p1pPpp/1p4B1/2pP2PQ/2P5/P4PBP/R3R1K1 w - - acd 39; acs 127; bm Bxh6; c0 "Future Breeze(Naum 4.1)-Ultrapower(Rybka 3), playchess.com 2010 (analysis)"; c3 "Bxh6"; ce 795; id "arasan20.086"; pm Bxh6; pv Bxh6 Bxh6 g5 Qd6 Qxh6 Qf8 Qh4 e5 Re3 Bc8 Bxc6 Rd8 Rxe5 b4 cxb4 Be6 a3 a5 Rxa5 Rbc8 d5 Bf5 Rc1 c3 Rxc3 Re8 Re3 Rxe3 fxe3 Bb1 Rc5 Rd8 a4 Bd3 a5 Rd6 Kf2 Rd8 Kg2 Rb8 Kg1 Be2 Qf4 Rd8 Qe5 Rb8 Qe4 Qd8 Qf4 Ba6 d6 Bb7 d7 Bxc6 Rxc6;
2r1r2k/1b1n1p1p/p3pPp1/1p1pP2q/3N4/P3Q1P1/1PP4P/2KRRB2 w - - acd 38; acs 894; bm g4; c0 "Blackborn(Deep Rybka 4)-Zax(Stockfish 1.8 JA), playchess.com 2010"; c3 "g4"; ce 459; id "arasan20.087"; pm g4; pv g4 Qxe5 Qxe5 Nxe5 Rxe5 Kg8 c3 h6 Bd3 Rf8 Rf1 a5 Bxb5 Ra8 a4 Ba6 h4 Kh7 g5 Rfb8 Kc2 Rb6 Rh1 h5 Kd3 Rbb8 Ra1 Kg8 Kc2 Kh7 Rd1 Kg8 Ra1;
2r1b1k1/5p2/1R2nB2/1p2P2p/2p5/2Q1P2K/3R1PB1/r3q3 w - - acd 56; acs 5970; bm Rxe6; c0 "bookbuilder-Arasan, ICC 2010"; c3 "Rxe6"; ce 0; id "arasan20.088"; pm Rxe6; pv Rxe6 fxe6 Qd4 Qb1 Be4 Qf1+ Bg2 Qb1;
rn2r1k1/ppq1pp1p/2b2bp1/8/2BNPP1B/2P4P/P1Q3P1/1R3RK1 w - - acd 38; acs 877; bm Bxf7+; c0 "Leitao-El Debs, Brazilian Chess Championship 2010"; c3 "Bxf7+"; ce 305; id "arasan20.089"; pm Bxf7+; pv Bxf7+ Kxf7 Qb3+ e6 f5 Kg8 Bxf6 Nd7 fxg6 Bxe4 gxh7+ Bxh7 Rbe1 Nxf6 Rxf6 Kh8 Nxe6 Qb6+ Kh2 Qxb3 axb3 a5 Re5 Ra6 c4 a4 bxa4 Rxa4 Rh5 Kg8 Rg5+ Kh8 Rh6 Re7 Rc5 Ra8 Rch5 Ra6 Ng5 Rxh6 Rxh6 Kg8 Nxh7 Rxh7 Rxh7 Kxh7;
1kr5/1p3p2/q3p3/pRbpPp2/P1rNnP2/2P1B1Pp/1P2Q2P/R5K1 b - - acd 44; acs 143; bm Bxd4; c0 "Argentum (Deep Rybka 4)-Obscure(Deep Rykba 4), playchess.com 2010"; c3 "Bxd4"; ce 637; id "arasan20.090"; pm Bxd4; pv Bxd4 Bxd4;
r3r2k/1pq2pp1/4b2p/3pP3/p1nB3P/P2B1RQ1/1PP3P1/3R3K w - - acd 43; acs 984; bm Rf6; c0 "Houdini 1.5-Rybka 4, Pal Larkin 2011"; c2 "sweat.01"; c3 "Rf6"; ce 383; id "arasan20.091"; pm Rf6; pv Rf6 Qe7 Rdf1 Nd2 Rxh6+ gxh6 Rf6 Qf8 Be3 Ne4 Bxe4 dxe4 Rxh6+ Qxh6 Bxh6 Rg8 Bg5 Kh7 Qf4 Rg6 Qxe4 Kg8 Qxb7 Rc8 Qe4 Rb8 Qxa4 Rxb2 Qa8+ Kh7 Bf6 Rg8 Qe4+ Kh6 Bg5+ Rxg5 Qe3 Rxc2 Qxg5+ Kh7 Kg1 Ra2 Qh5+ Kg7 Qf3 Kh7 g4 Kg8 h5 Rc2 g5 Rc4 Kf2 Rh4 Qa8+ Kg7;
r3brk1/2q1bp1p/pnn3p1/1p1pP1N1/3P4/3B2P1/PP1QNR1P/R1B3K1 w - - acd 34; acs 896; bm Nxh7; c0 "Houdini 1.5-Rybka 4, Pal Larkin 2011"; c3 "Nxh7"; ce 434; id "arasan20.092"; pm Nxh7; pv Nxh7 Nxe5 dxe5 Qxe5 Qh6 Bc5 Bd2 Bxf2+ Kxf2 Qg7 Nxf8 Qxf8 Qxf8+ Kxf8 Nf4 Rc8 b3 Bc6 Rc1 Bb7 Re1 Nd7 Bb4+ Kg8 Re7 Bc6 Nxd5 a5 Rxd7 Bxd7 Ne7+ Kg7 Nxc8 axb4 Ne7 Kf6 Nd5+ Ke5 Nxb4 Kd4;
1r3r2/q5k1/4p1n1/1bPpPp1p/pPpR1Pp1/P1B1Q3/2B3PP/3R2K1 w - - acd 39; acs 131; bm Rxd5; c0 "Ivanchuk-Erdos, Tradewise Gilbraltar 2011"; c3 "Rxd5"; ce 267; id "arasan20.093"; pm Rxd5; pv Rxd5 exd5 e6+ d4 Rxd4 Kg8 Rd5 Rbd8 Rxd8 Rxd8 Bxf5 Qh7 Bc2 Qh6 e7 Nxe7 Qxe7 Re8 Qc7 h4 Be5 c3 Bxc3 Re3 Qc8+ Kf7 Qb7+ Kf8 Qxb5 Qxf4 Bd2 Qd4 Bxe3 Qxe3+ Kf1 Qc1+ Kf2 Qxc2+ Qe2 Qb3 Qe3 Qa2+ Kf1 Qb1+ Qe1 Qb3 Qf2+ Kg8 c6 g3 hxg3 hxg3 Qd4 Qb1+ Ke2 Qc2+ Kf3 Qxc6+ Kxg3 Qc7+ Qf4 Qc3+ Qf3 Qe5+ Kh4 Qe7+ Kg4 Qe5 Qg3 Qd5 Kf4+ Kf7 Qf3 Qd4+ Kf5 Qc4 Ke5+ Ke8 g4;
rq3rk1/1b1n1ppp/ppn1p3/3pP3/5B2/2NBP2P/PP2QPP1/2RR2K1 w - - acd 39; acs 166; bm Nxd5; c0 "Kaidanov-Donaldson, USA 1992"; c3 "Nxd5"; ce 191; id "arasan20.094"; pm Nxd5; pv Nxd5 exd5 e6 Qe8 exd7 Qxd7 Be4 Nd8 Qd3 g6 Bxd5 Qxd5 Qxd5 Bxd5 Rxd5 Re8 Be5 Ne6 Rc6 b5 f3 Nd8 Rc1 f5 Rc7 Ne6 Rc6 Rad8 Rxe6 Rxd5 Rxe8+ Kf7 Rh8 Rxe5 Rxh7+ Kf6 Ra7 Re6 Kf2 Ke5 a3 Kd5 b3 Ke5 h4 Rd6 Ke2 Rc6 b4 Rd6;
7r/k4pp1/pn2p1pr/2ppP3/1q3P2/1PN2R1P/P1P2QP1/3R3K w - - acd 40; acs 877; bm a3; c0 "Gull 1.1-Hannibal 1.0, 2011"; c3 "a3"; ce 247; id "arasan20.095"; pm a3; pv a3 Qxa3 Qf1 Qb4 Ra1 Kb7 Qxa6+ Kc6 Qf1 Rb8 Ra7 Rb7 Qa6 Rxa7 Qxa7 d4 Rd3 Nd7 Qa8+ Kc7 Qe8 Qb7 Qxf7 Qc6 Ne2 Qe4 Ng1 Qf5 Qxg7 Rh4 Qe7 Rxf4 Nf3 g5 Qd6+ Kc8 b4 cxb4 Kg1 Rxf3 Rxf3 Qxc2 Qxe6 Qc1+ Kh2 Qc5 Qe8+ Kc7 Rf7 Qb5 Qe7;
1r3rk1/3bbppp/1qn2P2/p2pP1P1/3P4/2PB1N2/6K1/qNBQ1R2 w - - acd 35; acs 897; bm Bxh7+; c0 "nick-Fritz 11, playchess.com 2011"; c3 "Bxh7+"; ce 557; id "arasan20.096"; pm Bxh7+; pv Bxh7+ Kxh7 Rh1+ Kg8 Rh8+ Kxh8 Qh1+ Kg8 g6 Qbb2+ Bxb2 Qxb2+ Kg3 Qf2+ Kxf2 fxg6 Ng5 Rxf6+ exf6 Bxf6 Qxd5+ Kh8 Nf7+ Kh7 Qxd7 Nd8 Nxd8 Rxd8 Qh3+ Kg8 Qe6+ Kh7 Nd2 Ra8 Ne4 a4 Ke3 a3 Qa2 g5 c4 Kg6 c5 Rh8 Kd3 Rh1 Kc4 Rd1 Nxf6 Rc1+;
1r1qrbk1/5ppp/2b1p2B/2npP3/1p4QP/pP1B1N2/P1P2PP1/1K1R3R w - - acd 42; acs 877; bm Bxh7+; c0 "Vandermeulen-Napalkov, Sergey Korolev mem. email 2008"; c3 "Bxh7+"; ce 653; id "arasan20.097"; pm Bxh7+; pv Bxh7+ Kxh7 Be3 Kg8 Ng5 g6 h5 f5 Qh4 Ne4 hxg6 Bg7 Qh7+ Kf8 Nxe4 fxe4 Bh6 Qc7 Qh8+ Ke7 Qxg7+ Kd8 Qf6+ Kc8 Bf8 Kb7 Bd6 Qc8 Rh7+ Bd7 Qf7 Rd8 Bxb4 Qc6 Bxa3 Rbc8 c4 Ka8 g7 dxc4 g8Q cxb3 Rc1 Qa6 Rxc8+ Rxc8 Qxc8+ Bxc8 Qc7 bxa2+ Kxa2 Qe2+ Kb3 Qa6 Qc4 Qxc4+ Kxc4 e3 Rh8 Kb7 fxe3;
r5k1/pbpq1pp1/3b2rp/N3n3/1N6/2P3B1/PP1Q1PPP/R4RK1 b - - acd 42; acs 871; bm Rxg3; c0 "Arasan-KingsBishopFour, freechess.org 2011"; c3 "Rxg3"; ce 343; id "arasan20.098"; pm Rxg3; pv Rxg3 hxg3;
1r2r1k1/2R2p2/1N1Rp2p/p2b3P/4pPP1/8/P4K2/8 w - - acd 41; acs 105; bm g5; c0 "ENGINEMASTER-Arasan, ICC 2015"; c3 "g5"; ce 83; id "arasan20.099"; pm g5; pv g5 Red8 Nd7 Kg7 Ne5 Rxd6 Rxf7+ Kh8 gxh6 Rg8 Ng6+ Rxg6 hxg6 Rd8 g7+ Kg8 h7+ Kxh7 Rf8 Kxg7 Rxd8 Bxa2 Ra8 Bd5 Rxa5 Kf6 Ke3 Kg6 Ra4 Kf5 Ra7 Kf6 Rd7 Kf5 Rd8 Kf6 Re8 Kg6 Rf8 Kg7 Rb8 Kf6 Rb5 Bc4 Ra5 Bd5 Rc5 Kg7 Rc7+ Kg6 Rc8 Kf7 Kd4 Kf6 Rf8+ Kg6 Rb8 Kf6 Rb5 Kf5;
r4r2/pp1b1ppk/2n1p3/3pPnB1/q1pP2QP/P1P4R/2PKNPP1/R7 w - - acd 36; acs 843; bm Qh5+; c0 "Bobras-Can, 8th ch-Euro Dresden 2007"; c3 "Qh5+"; ce 447; id "arasan20.100"; pm Qh5+; pv Qh5+ Kg8 Bf6 Rfb8 Qg5 Kf8 g4 Ke8 gxf5 gxf6 Qxf6 exf5 Nf4 Be6 Nxe6 fxe6 Qxe6+ Ne7 Rg3 Kd8 Rg7 Qd7 Qf6 a5 Rh7 Ra6 Qf8+ Kc7 Qxe7 Qxe7 Rxe7+ Kc6 h5 Raa8 h6 Re8 Rxe8 Rxe8 Ke3 Rh8 Rh1 Kd7 Kf4 Ke7 h7 b5 Kxf5 Kf7 f4 Kg7;
8/2k2Bp1/2n5/p1P4p/4pPn1/P3PqPb/1r1BQ2P/2R1K1R1 b - - acd 48; acs 5844; bm Nce5; c0 "Arasan-Rookie, freechess.org 2011"; c3 "Nce5"; ce 0; id "arasan20.101"; pm Nce5; pv Nce5 fxe5 Nxe5 Bxh5 Qf6 Rf1 Bxf1 Qxf1 Qxf1+ Kxf1 Rxd2 h4 Ra2 Rc3 Ra1+ Kg2 g6 Be2 Ra2 Kf1 Ra1+ Kf2 Ra2 h5 gxh5 Ke1 Ra1+ Bd1 Kc6 Ke2 Ra2+ Bc2 Nd3 Kd1 Ra1+ Kd2 Ra2 Kd1;
8/5kpp/8/8/8/5P2/1RPK2PP/6r1 w - - acd 42; acs 868; bm c4; c0 "Yandemirov-Shchukin, Chigorin Memorial, St. Petersburg 1997"; c3 "c4"; ce 323; id "arasan20.102"; pm c4; pv c4 Ke6;
r3rnk1/pp2ppb1/1np3p1/3qP2p/3P1B2/4Q1N1/PP2BPP1/1K1R3R w - - acd 30; acs 141; bm Bh6; c0 "Sergeev-Sande, EU/TC10/sf1 ICCF 2014"; c3 "Bh6"; ce 476; id "arasan20.103"; pm Bh6; pv Bh6;
1r1q2k1/2r3bp/B2p1np1/3P1p2/R1P1pP2/4B2P/P5PK/3Q1R2 b - - acd 40; acs 174; bm Ng4+; c0 "WHITE_RABBIT (Deep Rybka 4)-Blackborn, playchess.com 2011"; c3 "Ng4+"; ce 200; id "arasan20.104"; pm Ng4+; pv Ng4+ hxg4 Qh4+ Kg1 fxg4 c5 g3 Re1 Rxc5 Bxc5 dxc5 d6 Qh2+ Kf1 Qh1+ Ke2 Qxg2+ Ke3 Qf2+ Kxe4 Re8+ Kd5 Rxe1 Qb3 Bf6 Kc6+ c4 Bxc4+ Kg7 Qb7+ Kh6 Qf7 Re4 Qxf6 Rxf4 Qe5 Rf5 Qe7 g2 d7 Rf6+ Be6 g1Q d8Q Qc2+ Kb5 Qe2+ Rc4 Qg5+ Qc5 Qxc5+ Kxc5 Qxe6 Rh4+ Kg7 Qd4 g5 Re4;
2r1rnk1/1p2pp1p/p1np2p1/q4PP1/3NP2Q/4B2R/PPP4P/3R3K w - - acd 38; acs 889; bm b4; c0 "Copie-Alvarez Rouchaud, Marcusi mem. corr 1996"; c3 "b4"; ce 758; id "arasan20.105"; pm b4; pv b4 Qe5 Nxc6 Qc3 Nd4 Qc4 f6 exf6 gxf6 Re6 Nf5 Qxc2 Rg1 Qxe4+ Qxe4 Rxe4 Nh6+ Kh8 Nxf7+ Kg8 Nxd6 Rxe3 Rxe3 Rd8 Rd1 Rd7 Re7 b6 Kg2 h5 Re8 h4 Kf3 b5;
2b2qk1/1r4pp/2p1p3/p2n1PPB/2p4P/2p5/P4Q2/4RRK1 w - - acd 34; acs 140; bm Qg3; c0 "Lafarga Santorromaa-Kukk, ICCF Olympiad 17 Final 2009"; c3 "Qg3"; ce 234; id "arasan20.106"; pm Qg3; pv Qg3 Qe7 fxe6 g6 Kh1 Qd8 Bg4 c2 Qf2 c3 a3 c5 Kg1 Ne7 Qf7+ Kh8 Qf6+ Kg8 h5 c1Q Qf7+ Kh8 Qf8+ Ng8 Qxd8 Qd2 Qxd2 cxd2 Re5 gxh5 Bxh5 Ne7 Rf6 Rc7 Rf2 Ng6 Re4 Re7 Rxd2 Rxe6 Rc4 Rc6 Bf3 Rc7 Rdc2 Ne7 Rxc5 Rxc5;
1r1rkb2/2q2p2/p2p1P1B/P1pPp2Q/2P3b1/1P6/2B3PP/5R1K w - - acd 48; acs 136; bm Qxg4; c0 "Walsh-Rivas Romero, Latin UPDATE Epd SET am = 'zt15 sf2 corr 2000"; c3 "Qxg4"; ce 527; id "arasan20.107"; pm Qxg4; pv Qxg4;
r4rk1/3b3p/p1pb4/1p1n2p1/2P2p2/1B1P2Pq/PP1NRP1P/R1BQ2K1 w - - acd 38; acs 893; bm Qf1; c0 "Ivanchuk-Kamsky, Tilburg 1992"; c3 "Qf1"; ce 206; id "arasan20.108"; pm Qf1; pv Qf1 bxc4 dxc4 fxg3 hxg3 Nf4 c5+ Kh8 cxd6 Qxf1+ Kxf1 Bh3+ Ke1 Nxe2 Kxe2 Rae8+ Kd3 Rxf2 Kd4 h6 Bc4 Re1 Nb3 Rf6 Kc5 Re5+ Kxc6 Re8 Bxa6 Rd8 Kc5 Rf5+ Kb4 Rb8+ Kc3 Rb6 Bd3 Rc6+ Bc4 Rxd6 Nd4 Re5 Nc2 Be6 Bxe6 Rexe6 Be3 Kg7;
1r3rk1/4bpp1/p3p2p/q1PpPn2/bn3Q1P/1PN1BN2/2P1BPP1/1KR2R2 b - - acd 37; acs 863; bm Bxb3; c0 "Komodo 2.03-Spike 1.4, 29th Amateur Series Division 1, 2011"; c3 "Bxb3"; ce 1260; id "arasan20.109"; pm Bxb3; pv Bxb3 cxb3 Qa3 Nd2 d4 Rc2 dxc3 Qc4 Nxc2;
2nb2k1/1rqb1pp1/p2p1n1p/2pPp3/P1P1P3/2B1NN1P/2B2PP1/Q3R2K w - - acd 37; acs 781; bm Nxe5; c0 "Spike 1.4-Booot 5.1.0, 29th Amateur Division 1, 2011"; c3 "Nxe5"; ce 212; id "arasan20.110"; pm Nxe5; pv Nxe5 dxe5 Bxe5 Qb6 Bc3 Nd6 e5 Nde4 a5 Qc7 d6 Qc6 exf6 Nxc3 Qxc3 Qxd6 Nd5 Bxf6 Qd3 Kf8 Qh7 g6 Bxg6 fxg6 Qxg6 Be5 Qh5 Rb2 Rxe5 Rxf2 Kg1 Rf7 Qe2 Kg8 Qe3 Kh7 Qd3+ Kh8 Qc3 Kg8 Qg3+ Kh7 Qd3+;
3r2k1/p1qn1p1p/4p1p1/2p1N3/8/2P3P1/PP2QP1P/4R1K1 w - - acd 46; acs 176; bm Nxf7; c0 "Darkraider (Houdini 1.5a x64)-ABCDE, playchess.com 2011"; c3 "Nxf7"; ce 218; id "arasan20.111"; pm Nxf7; pv Nxf7 Kxf7 Qxe6+ Kg7 Qe7+ Kh8 Rd1 c4 b3 cxb3 axb3 a5 c4 Qc8 Rd5 Kg8 Qe6+ Kh8 Rd2 Re8 Qxd7 Qxd7 Rxd7 Rb8 Rd3 Kg8 f4 Rb4 Kf2 a4 bxa4 Rxa4 Rd8+ Kf7 Rd7+ Ke6 Rxh7 Rxc4 Kf3 Kf6 Ra7 Rc2 Ra6+ Kf7 h4 Rc3+ Kg4 Rc4 Ra3 Kf6 Kf3 Rc1 Ra6+ Kf7 Ra5 Rc3+ Kg4 Kf6 Ra6+ Kf7;
r2q1rk1/pb1nbp1p/1pp1pp2/8/2BPN2P/5N2/PPP1QPP1/2KR3R w - - acd 38; acs 142; bm Nfg5; c0 "Loop M1-P 4CPU-Deep Junior 10.1 4CPU, CEGT Quad 40/120 2007"; c3 "Nfg5"; ce 516; id "arasan20.112"; pm Nfg5; pv Nfg5;
4rr2/3bp1bk/p2q1np1/2pPp2p/2P4P/1R4N1/1P1BB1P1/1Q3RK1 w - - acd 40; acs 146; bm Bxh5; c0 "Naum 4 x64 4CPU-Deep Fritz 11 4CPU, CEGT Quad 40/120 2009"; c3 "Bxh5"; ce 159; id "arasan20.113"; pm Bxh5; pv Bxh5 Nxh5 Ne4 Qc7 Ng5+ Kg8 Qxg6 Rxf1+ Kxf1 Rf8+ Kg1 Nf6 Rg3 Be8 Qxg7+ Kxg7 Ne6+ Kh7 Nxc7 Ne4 Rd3 Bg6 Ne6 Rb8 Bg5 Nxg5 Nxg5+ Kh6 Re3 Rxb2 Rxe5 Rb7 Ne6 Rb1+ Kf2 Bd3 Nxc5 Bxc4 Re6+ Kh5 Rxe7 Rd1 Re5+ Kg6 Rg5+ Kh6 Ke3 Bxd5 g4 a5 Rf5;
8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - acd 47; acs 12675; bm g5; c0 "Kotov-Botvinnik, Soviet ch-22 Moscow 1955"; c1 "material balance: -1,0"; c2 "Questionable"; c3 "g5 d4+"; c4 "Pg6g5 (got a !? but game-theor optimal) (Krogius_EofCM) #1543 black_wins"; ce 12335; id "arasan20.114"; pm g5; pv g5 fxg5 d4+ exd4 Kg3 Kd3 Kxh4 g6 Kg4 Ba3 h4 Ke3 Kg3 Ke4 h3 Ke5 h2 Kxe6 h1Q g7 Qe4+ Kf6 Qxd4+ Kf7 Qd5+ Kf8 Qf5+ Ke7 Qg6 Bb2 Kf4 Kf8 Qf5+ Ke7 Qc2 Bf6 Kf5 Ba1 Qc7+ Ke8 Qb8+ Kf7 Qa7+ Ke8 Qxa1;
8/5p2/3p2p1/1bk4p/p2pBNnP/P5P1/1P3P2/4K3 b - - acd 46; acs 1197; bm d3; c0 "Bondarevsky-Petrosian, Soviet ch-19 Moscow 1951"; c3 "d3"; ce 280; id "arasan20.115"; pm d3; pv d3;
8/4nk2/1p3p2/1r1p2pp/1P1R1N1P/6P1/3KPP2/8 w - - acd 53; acs 1715; bm Nd3; c0 "Grandelius-Raznikov, EU Youth Chess Ch B18, Albena 2011"; c1 "diff=7"; c3 "Nd3"; ce 7; id "arasan20.116"; pm Nd3; pv Nd3;
6k1/1bq1bpp1/p6p/2p1pP2/1rP1P1P1/2NQ4/2P4P/K2RR3 b - - acd 45; acs 115; bm Bd5; c0 "Hard CCC 2008 #6 (Vincent Lejeune)"; c2 "King's attack"; c3 "Bd5"; ce 371; id "arasan20.117"; pm Bd5; pv Bd5 cxd5 c4 d6 Qa5+ Na2 cxd3 dxe7 Rb8 Rb1 Re8 cxd3 Qa3 Rec1 Qxe7 Rb3 a5 Rc2 Rd8 Nc1 Qg5 Rb5 Qxg4 Kb2 Qd1 Rb7 Qe1 Re2 Qg1 Rc2 Qe3 Ka3 Qe1 Rb5 Kh7 Ka2 Rd4 Rb8 Rb4 Rxb4 Qxb4 Rb2 Qd4 Kb3 h5 Kc2 Qg1 Kb1 h4 Rc2 Kh6 Kb2 Qb6+ Ka2;
r3r1k1/1bqnbp1p/pp1pp1p1/6P1/Pn2PP1Q/1NN1BR2/1PPR2BP/6K1 w - - acd 35; acs 871; bm Rh3; c0 "Stockfish 2.1.1JA-Deep Saros ver. 2.3j, 2011 (Pavel Hase)"; c3 "Rh3"; ce 270; id "arasan20.118"; pm Rh3; pv Rh3 h5 Bf3 Kg7 f5 Rh8 f6+ Nxf6 gxf6+ Bxf6 Qf2 Nc6 Bxb6 Qe7 Rd1 Rag8 Be2 h4;
4rrk1/1pp1n1pp/1bp1P2q/p4p2/P4P2/3R2N1/1PP2P1P/2BQRK2 w - - acd 40; acs 138; bm Nh5; c0 "Ruy Lopez position (posted by Neel Basant)"; c3 "Nh5"; ce 227; id "arasan20.119"; pm Nh5; pv Nh5 Bc5 b4 Bxb4 Bb2 Bxe1 Rg3 Ng6 Bxg7 Qxh5 Qxh5 Kxg7 Rh3 Kf6 Kxe1 Rxe6+ Re3 Rxe3+ fxe3 Rf7 Qg5+ Kg7 c4 Rf6 Qg2 Kf7 Qb2 b6 c5 b5 axb5 cxb5 Qxb5 Ne7 Qxa5 c6 Kf2 Rh6 Kg2 Nd5 Qa7+ Ke8 Qa8+ Kf7 Qb7+ Ne7 Qb1 Rf6 Qb3+ Nd5 Qb7+ Ne7 Qa7 Re6 Qa2 Nd5 Qb1 Kg6 Qb8 Rxe3 Qg8+ Kf6 Qg5+ Ke6;
3q4/4k3/1p1b1p1r/p2Q4/3B1p1p/7P/1P4P1/3R3K w - - acd 55; acs 9503; bm b4; c0 "Stockfish 021113-Naum 4.6, nTCEC - Stage 4 - Season 2 2013"; c3 "b4"; ce 655; id "arasan20.120"; pm b4; pv b4 Rh8 Qb7+ Qc7 Re1+ Kf8 Qa8+ Qb8 Qc6 Rh6 Bxb6 axb4 Re6 Be7 Bc5 Bxc5 Qxc5+ Kg8 Qd5 Kf8 Rd6 Kg7 Rd8 Qxd8 Qxd8 Rh8 Qb6 Kg6 Qxb4 Kg5 Qb5+ Kg6 Qa4 Kg5 Qd7 Kg6 Qg4+ Kf7 Qxf4 Kg7 Qf3 Rh6 Qe3 Kg6 Qe8+ Kg7 Kh2 Rh8 Qd7+ Kf8 Qd8+ Kg7 Qe7+ Kg6 Qe4+ Kf7 Qb7+ Kg6 Qe7 Rh6 Qf8 Kg5 Qg7+ Rg6 Qd7 f5;
8/5p1k/6p1/1p1Q3p/3P4/1R2P1KP/6P1/r4q2 b - - acd 181; acs 585; bm h4+; c0 "The King-Rybka 3i8 cluster, 28th Dutch CC, Leiden 2008"; c3 "h4+"; ce 32588; dm 90; id "arasan20.121"; pm h4+; pv h4+ Kxh4 Qf2+ Kg4 Rf1 h4 Rh1 g3 Qe2+ Qf3 f5+ Kf4 Rf1 Qxf1 Qxf1+ Ke5 Qc4 Rb1 Qd3 Re1 Qd2 Ra1 Qxe3+ Kd5 Qf3+ Kd6 Qxg3+ Kd5 Qb3+ Ke5 Qe3+ Kd5 b4 Ra7+ Kh6 Kc4 b3 Ra8 b2 Rh8+ Kg7 Rb8 Qc1+ Kd5 b1=Q Rxb1 Qxb1 Kc6 Qe4+ Kc7 Qxd4;
7k/3q1pp1/1p3r2/p1bP4/P1P2p2/1P2rNpP/2Q3P1/4RR1K b - - acd 53; acs 1715; bm Rxf3; c0 "Darkraider (Stockfish 2.1.1JA)-Pastorale(Houdini 1.5a), playchess.com 2011"; c3 "Rxf3"; ce 1057; id "arasan20.122"; pm Rxf3; pv Rxf3 Rxf3 Rh6 Re2 g5 Rxg3 fxg3 Qc3+ Kg8 Qxg3 Qf5 Qe1 Kg7 d6 g4 d7 Qxd7 Re4 gxh3 g3 Qd3 Qe2 Qb1+ Qe1 Qxb3 Rg4+ Kf8 Qf1 h2 Re4 Rh3 Qe2 Qxa4 g4 Qc6 Qg2 Rc3 Re1 Qxg2+ Kxg2 Rc2+ Kh1 a4 Rd1 a3 Rd8+ Ke7 Rd1 a2 Rf1 Bd4;
3r3r/k1p2pb1/B1b2q2/2RN3p/3P2p1/1Q2B1Pn/PP3PKP/5R2 w - - acd 40; acs 883; bm Rfc1; c0 "Naum 4.2 MP-Deep Hiarcs 13.2, SSDF 2011"; c3 "Rfc1"; ce 948; id "arasan20.123"; pm Rfc1; pv Rfc1 Bxd5+ Rxd5 Qf3+ Kf1 Qh1+ Ke2 Qf3+ Ke1 Qxd5 Qa4 Kb8 Qb4+ Ka7 Rxc7+ Kxa6 Rc5 Qxc5 dxc5 Rb8 Qc4+ Kb7 Qxf7+ Kc6 Qe6+ Kc7 Qe7+ Kc6 Qd6+ Kb5 Qd7+;
r1b3kr/pp1n2Bp/2pb2q1/3p3N/3P4/2P2Q2/P1P3PP/4RRK1 w - - acd 27; acs 4267; bm Re5; c0 "Orcrist-Crafty, ICC 2011"; c1 "diff=4"; c3 "Re5"; ce 32742; dm 13; id "arasan20.124"; pm Re5; pv Re5 h6 Rf5 Kh7 Rf7 Re8 Be5+ Kg8 Rg7+ Qxg7 Bxg7 Re7 Qg4 Bf4 Rxf4 Re1+ Kf2 Nf6 Qg6 Ne4+ Kxe1 Bf5 Rxf5 Nxc3 Nf6+;
2r3k1/1q3pp1/2n1b2p/4P3/3p1BP1/Q6P/1p3PB1/1R4K1 b - - acd 41; acs 155; bm Rb8; c0 "Naum 4.2-Stockfish 2.2.1, Aser Huerga 2012"; c3 "Rb8"; ce 275; id "arasan20.125"; pm Rb8; pv Rb8 Qd6 Ba2 Rxb2 Qxb2 Bxc6 Be6 Kg2 g5 Bc1 Qb6 Be4 Qxd6 exd6 Kg7 f4 Kf6 Kf2 Rd8 Ke2 Rxd6 Kd3 Ba2 Bf3 Rd7 Bd2 Bb1+ Kc4 Ke6 fxg5 hxg5 Bxg5 Ke5 Bd2 Rc7+ Kb3 Be4 Bxe4 Kxe4 h4 Kd3 Bb4 Rb7 h5 f6 h6;
rn2kb1r/1b1n1p1p/p3p1p1/1p2q1B1/3N3Q/2N5/PPP3PP/2KR1B1R w kq - acd 37; acs 889; bm Nxe6; c0 "Audino-Staroske, 1973 (anal. by Stockfish)"; c3 "Nxe6"; ce 250; id "arasan20.126"; pm Nxe6; pv Nxe6 fxe6 Bd3 Bg7 Rhe1 O-O Rxe5;
r7/ppp3kp/2bn4/4qp2/2B1pR2/2P1Q2P/P5P1/5RK1 w - - acd 45; acs 136; bm Rxf5; c0 "Velimirovic-Romanishin, Odessa 1975"; c3 "Rxf5"; ce 732; id "arasan20.127"; pm Rxf5; pv Rxf5;
8/2p4k/1p1p4/1PPPp3/1r6/R3K3/P4P2/8 w - - acd 44; acs 864; bm c6; c0 "Krzyzanowski-Pierzak, Sliwa mem email 2004"; c3 "c6"; ce 1046; id "arasan20.128"; pm c6; pv c6 Kg6 Ra7 Rxb5 Rxc7;
1nr3k1/q4rpp/1p1p1n2/3Pp3/1PQ1P1b1/4B1P1/2R2NBP/2R3K1 w - - acd 42; acs 128; bm Qxc8+; c0 "Runting-Barnsley, Purdy Jubilee-A email 2003"; c3 "Qxc8+"; ce 681; id "arasan20.129"; pm Qxc8+; pv Qxc8+;
8/5rk1/p2p4/1p1P1b1p/1P1K2pP/2P3P1/4R3/5B2 w - - acd 36; acs 60; bm Rf2; c0 "Andscacs 0.89-Houdini 5.01, Andreas Strangmüller 2017"; c3 "Rf2"; ce 135; id "arasan20.130"; pm Rf2; pv Rf2;
5rk1/2p1R2p/r5q1/2pPR2p/5p2/1p5P/P4PbK/2BQ4 w - - acd 39; acs 893; bm d6; c0 "Observer(Houdini 2.0c Pro)-Numerobis(Fritz 13), playchess.com 2011"; c3 "d6"; ce 355; id "arasan20.131"; pm d6; pv d6 cxd6 R5e6 Qg5 Bb2 Ba8 Rg7+ Qxg7 Bxg7 Kxg7 Qxb3 Ra7 Rxd6 Re8 Qb6 Rae7 Qxc5 Re1 Qc3+ Kg8 Qb3+ Kg7 Rd1 Rxd1 Qxd1 Rg8 Qd4+ Kf7 Qxf4+ Ke7 Qe5+ Kd7 h4 Rf8 Qc5 Re8 Qxh5 Re7 Kg3 Be4 a4 Kd6 Qh6+ Re6 Qf8+ Kc6;
r2q1r2/1b2bpkp/p3p1p1/2ppP1P1/7R/1PN1BQR1/1PP2P1P/4K3 w - - acd 38; acs 6731; bm Qf6+; c0 "Asauskas-Malisauskas, Vilnius 2004"; c1 "diff=6"; c3 "Qf6+"; ce 723; id "arasan20.132"; pm Qf6+; pv Qf6+ Bxf6 gxf6+ Qxf6 exf6+ Kxf6 Bg5+ Kg7 Bh6+ Kg8 Bxf8 Rxf8 Na4 Ra8 Nxc5 Bc8 Rd4 Kg7 c4 Rb8 cxd5 exd5 Rxd5 Rb4 Rd8 Bf5 Nxa6 Rb6 Nc7 Rb4 Ne8+ Kh6 Nd6 Be6 Rf3 Kg7 Nc4 h5 Rd4 Rb8 Rg3;
r1r3k1/1ppn2bp/p1q1p1p1/3pP3/3PB1P1/PQ3NP1/3N4/2BK3R w - - acd 35; acs 129; bm Ng5; c0 "Torres-Graudins, LAT-USA ICCF 2015 (analysis after 19. .. e6)"; c3 "Ng5"; ce 259; id "arasan20.133"; pm Ng5; pv Ng5;
1rr1b1k1/1pq1bp2/p2p1np1/4p3/P2BP3/2NB2Q1/1PP3PP/4RR1K w - - acd 41; acs 2105; bm Rxf6; c0 "Glek-Lingnau, Dortmund op-A 1992"; c1 "diff=6"; c3 "Rxf6"; ce 216; id "arasan20.134"; pm Rxf6; pv Rxf6 exd4 Nd5 Bxf6 Nxf6+ Kg7 Rf1 Bc6 Nh5+ Kh7 Rf6 Re8 Bc4 Bxe4 Rxf7+ Qxf7 Bxf7 gxh5 Bxe8;
r1r3k1/1q3p1p/4p1pP/1bnpP1P1/pp1Q1P2/1P6/P1PR1N2/1K3B1R b - - acd 47; acs 3214; bm axb3; c0 "Great Ozzie(Komodo64 3)-Erdo(Critter 1.2), playchess.com 2011"; c3 "axb3"; ce 610; id "arasan20.135"; pm axb3; pv axb3;
r1b2rk1/pppnq3/4ppp1/6N1/3P3Q/2PB4/P1PK2PP/3R3R w - - acd 39; acs 846; bm Nxe6; c0 "Leisebein-Woelfelschneider, BDG04-01 DVC 2001"; c3 "Nxe6"; ce 459; id "arasan20.136"; pm Nxe6; pv Nxe6 Qxe6 Bxg6 Qe7 Rhe1 Qg7 Re3 f5 Bxf5 Rxf5 Rg3 Nb6 Rxg7+ Kxg7 Re1 Bd7 Re7+ Rf7 Qg3+ Kf8 Rxf7+ Kxf7 Qxc7 Re8 c4 Re7 d5 Be8 Qf4+ Kg8 g4 Nd7 h4 b6 h5 Kh7 Kc3 Re5 Kd4 Kg7 Qd2 Kh7 Qf2 Rg5 Qf3 Nc5 Qf4 Rg7 a3 Re7 Qf5+;
3r1r1k/pp5p/4b1pb/6q1/3P4/4p1BP/PP2Q1PK/3RRB2 b - - acd 43; acs 142; bm Qxg3+; c0 "Apicella-Lautier, Clichy 2001"; c3 "Qxg3+"; ce 496; id "arasan20.137"; pm Qxg3+; pv Qxg3+;
r2r2k1/3bb1Pp/3pp1p1/p1q5/1p2PP2/P1N5/1PPQ4/1K1R1B1R w - - acd 38; acs 792; bm Nd5; c0 "Timman-Sisniega, Taxco izt 1985 (analysis by Timman)"; c3 "Nd5"; ce 290; id "arasan20.138"; pm Nd5; pv Nd5 exd5 Qh2 h5 Rxd5 Qxd5 exd5 Kxg7 Rg1 Rh8 Qg3 Rh6 Bd3 h4 Qe3 Bf6 Qb6 Rf8 Qxd6 Be8 axb4 axb4 Qxb4 h3 Qb7+ Rf7 Qb8 h2 Rh1 Rf8 d6 Bf7 Qb7 Rhh8 Bc4 Rh4 Bxf7 Rxf7 Qg2 Rd7 Rxh2 Rxh2 Qxh2 Rxd6 c3;
8/2R5/3p4/3P4/3k3P/2p3K1/1r4P1/8 w - - acd 57; acs 121; bm Kf3; c0 "Flear-Legky, Le Touquet 1991 (anal. by Mueller)"; c3 "Kf3"; ce -22; id "arasan20.139"; pm Kf3; pv Kf3 c2 Kf4 Rb4 Rxc2 Kd3+ Kf5 Kxc2 Ke6 Rxh4 Kxd6 Kd3 Ke6 Kd4 d6 Rh6+ Ke7 Kd5 d7 Rh7+ Ke8 Ke6 d8N+ Kf6 g3 Rg7 Nc6 Rxg3 Kd7 Rd3+ Kc7 Ke6 Nd8+ Kd5 Kd7 Rh3 Nf7 Rg3 Ke7 Rg6 Nd8 Ke5 Nf7+ Ke4 Nd6+ Kd5 Ne8 Ke5 Kd7 Rh6 Nc7 Rh7+ Kc6 Rh8 Kd7 Rh4 Ne8 Rh7+ Kc6 Rh6+ Kd7 Rh1 Nc7 Rc1 Ne8 Rf1 Ke7 Rh1 Kd7 Rh3;
1r3rk1/2q4p/p1Np1bp1/1p1P4/n4pBP/2P2P2/PP1Q4/1K1R2R1 b - - acd 38; acs 893; bm Nxb2; c0 "Ohtake-Geist, Camara Mem-B email 2008"; c3 "Nxb2"; ce 123; id "arasan20.140"; pm Nxb2; pv Nxb2 Kxb2 b4 Kc2 bxc3 Qxf4 Rb2+ Kd3 Qb6 Be6+ Kh8 Rgf1 Bg7 Qc4 Rf2 Nd4 Qxd4+ Qxd4 Bxd4 Rxf2 Bxf2 Kxc3;
2kr3r/pp4pp/4pp2/2pq4/P1Nn4/4Q3/KP2B1PP/2RR4 b - - acd 42; acs 6991; am Qxg2; bm Qc6; c0 "Eklund-Berthelsen, DSU Jubilee 100-B corr 2003"; c3 "Qc6"; ce -92; id "arasan20.141"; pm Qc6; pv Qc6 Na3 Kb8 Nb5 Nxe2 Qxe2 Rd5 Qf2 e5 Rxd5;
5r2/1p4k1/pP1pP1pp/2rP2q1/4Qp2/3Bb3/P5PP/4RR1K w - - acd 40; acs 878; bm Rf3; c0 "Hybl-Juarez, WC35/pr08 ICCF 2011"; c3 "Rf3"; ce 449; id "arasan20.142"; pm Rf3; pv Rf3 Bd2 Ref1 Rfc8 g3 Rc1 e7 Re8 Rxc1;
r2qr1k1/1b1pppbp/1p4p1/pP2P1B1/3N4/R7/1PP2PPP/3QR1K1 w - a6 acd 37; acs 876; bm Nf5; c0 "Godes-Morozov, Mirotvorsky mem-A corr8185 1981"; c3 "Nf5"; ce 256; id "arasan20.143"; pm Nf5; pv Nf5 Bf8 Nd6 Qc7 Nxe8 Rxe8 Qd4 Qxc2 Qxd7 Qc8 e6 fxe6 Qxe6+ Qxe6 Rxe6 Bg7 Rxb6 Rd8 h4 Rd1+ Kh2 Bd5 Re3 e6 Re2 h6 Be3 Be5+ f4 Bd4 Ra6 Bxe3 Rxe3 Rd2 Rg3 Kf7 b3 Rd4 Rxa5 Rb4 Rh3;
4k3/1R6/Pb3p2/1P1n4/5p2/8/4K3/8 w - - acd 155; acs 25; bm Kd3; c0 "Ding Liren-Wang Yue, ch-CHN 2012 Xinghua 2012"; c3 "Kd3"; ce 32614; dm 77; id "arasan20.144"; pm Kd3; pv Kd3 f3 a7 Bxa7 Rxa7 Kd8 Kd4 f2 Ra1 Nf4 Rf1 Nh3 Rc1 Kd7 Ke3 Ke6 b6 f5 b7 f4+ Ke2 Kd7 b8=Q f1=B+ Rxf1;
r4nk1/2pq1ppp/3p4/p3pNPQ/4P3/2PP1RP1/Pr3PK1/7R w - - acd 36; acs 134; bm Ne3; c0 "Houdini 4 MP-Chiron 2 MP, SCCT Gladiators 2014"; c3 "Ne3"; ce 515; id "arasan20.145"; pm Ne3; pv Ne3;
r1q2rk1/1b2bppp/p1p1p3/4B3/PP6/3B3P/2P1QPP1/R2R2K1 w - - acd 44; acs 1034; bm Bxh7+; c0 "Konig-Cornforth, London 1952"; c3 "Bxh7+"; ce 616; id "arasan20.146"; pm Bxh7+; pv Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 Kxg7 Ra3 Qc7 Rd7 Qf4 Rg3+ Qxg3 fxg3 Rfe8 Rxb7 Rad8 Qg4+ Kf8 Qc4 Rd6 Qc3 Kg8 Kh2 e5 Qxe5 Re6 Qh5 Rd8 h4 Kg7 Qg4+ Kf8 c3 Re1 Qf4 Kg7 Rc7 Re6 Qg4+ Kf8 Qf3 Kg7 Ra7 Rdd6 Rxa6 Rf6 Qg4+ Rg6 Qf5 Rd5 Qf3 Bd6 Rxc6 Rd2 a5 Rxg3 Qxg3+ Bxg3+ Kxg3 Ra2 a6 Kf8 b5 Ke7 h5 f6;
r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - acd 44; acs 1800; bm e5; c0 "Spassky-Petrosian, World Chmp (19) 1969"; c2 "Position 5"; c3 "e5"; ce 735; id "arasan20.147"; pm e5; pv e5;
r2q1k1r/pp2n1pp/2nb1p2/1B1p3Q/N2P4/2P1B3/PP4PP/R4RK1 w - - acd 40; acs 888; bm Rxf6+; c0 "Walhallathunder (Teodoriu Catalin)-rev786, 1st Masters Tournament, chess.com 2012"; c3 "Rxf6+"; ce 438; id "arasan20.148"; pm Rxf6+; pv Rxf6+ gxf6 Bh6+ Kg8 Rf1 f5 Rxf5 Qe8 Qg4+ Qg6 Rg5 Kf7 Rxg6 hxg6 Bf4 Rad8 Nc5 Bxc5 dxc5 Rh5 Bg5 d4 Qf4+ Ke8 cxd4 Rxg5 Qxg5 Rxd4 Qe5 Rd1+ Kf2 Rd2+ Ke3 Rd8 Ba4 Kf8 Bxc6 bxc6 Qh8+ Ng8 g4 Rd1 h4 Ra1 h5 Rh1;
4r1k1/6p1/bp2r2p/3QNp2/P2BnP2/4P2P/5qPK/3RR3 b - - acd 40; acs 879; bm Kh7; c0 "Komodo 4-Houdini 2.0c, Harry Schnapp Tribute 2012 (G. Banks)"; c3 "Kh7"; ce 602; id "arasan20.149"; pm Kh7; pv Kh7 Kh1 Rd6 Qf7 Rxe5 fxe5 Rg6 Qxg6+ Kxg6 Kh2 Kh7;
3rr1k1/pb3ppp/1p1p1bq1/3P4/1P2P3/P2Q1RBP/3N2P1/5RK1 w - - acd 39; acs 894; bm Rxf6; c0 "Bokar-Millstone, NAPZ-ch1 fin email 2001"; c3 "Rxf6"; ce 370; id "arasan20.150"; pm Rxf6; pv Rxf6 gxf6 Bh4 Kf8 Rxf6 Qg7 Qe3;
r1bqkb1r/4pppp/p1p5/2ppP3/8/2P2N2/PPP2PPP/R1BQR1K1 w kq - acd 30; acs 204; bm e6; c0 "Balashov-Sabjanov, Kstovo op 1994"; c1 "Balashov Y.,2505 - Sabianov, Kstovo 1994"; c3 "e6"; ce 174; id "arasan20.151"; pm e6; pv e6 f6 c4 g6 cxd5 Qxd5 Qe2 Qd6 b3 Bg7 Ba3 Qc7 Rad1 O-O Bxc5 a5 Qe3 Rb8 h3 Re8 Rd3 Rd8 Rxd8+ Qxd8 a4 Bf8 Qd4 Qd5 c4 Qxd4 Nxd4 Bb7 f3 f5 Rd1 Ra8 Kh2 Kg7 f4 Kf6;
3r1rk1/1b2bpp1/2n1p2p/qp1n2N1/4N3/P3P3/1BB1QPPP/2R2RK1 w - - acd 32; acs 600; bm Qh5; c0 "Asadali-DeepElite, Tuesday 16 Feb Rapid Engine Tour 15+5, Infinity Chess 2016"; c3 "Qh5"; ce 209; id "arasan20.152"; pm Qh5; pv Qh5 Ba8;
3R4/pp2r1pk/q1p3bp/2P2r2/PP6/2Q3P1/6BP/5RK1 w - - acd 45; acs 163; bm Rxf5; c0 "Zhak-Pavlov, ch-RUS sf ICCF 2010"; c3 "Rxf5"; ce 300; id "arasan20.153"; pm Rxf5; pv Rxf5 Bxf5 g4 Be4 Bxe4+ Rxe4 Rd7 Rxg4+ Kf2 Qc4 Rxg7+ Kh8 Qxc4 Rxc4 Rxb7 a5 bxa5 Rxa4 Ra7 h5 a6 h4 Ra8+ Kg7 a7 Ra3 Ke2 Kh7 h3 Kg7 Kd2 Kh7 Kc2 Kg7 Kb2 Ra6 Kc3 Ra4 Kb3 Ra6 Kc4 Ra4+ Kc3 Kh7 Kd3 Kg7 Kd2 Ra5 Ke3 Ra4 Kd3 Kh7 Ke2 Ra2+ Ke3 Ra4 Kf3 Kg7;
r3k3/1p4p1/1Bb1Bp1p/P1p1bP1P/2Pp2P1/3P4/5K2/4R3 w - - acd 45; acs 3601; bm g5; c0 "Nakamura-Giri, FIDE Grand Prix, London 2012"; c3 "g5"; ce 283; id "arasan20.154"; pm g5; pv g5 hxg5 Rxe5;
1r1rb1k1/5ppp/4p3/1p1p3P/1q2P2Q/pN3P2/PPP4P/1K1R2R1 w - - acd 47; acs 1996; bm Rxg7+; c0 "Vescovi-Gschwendtner, Groningen op 1994 (Aemis Test Suite #30)"; c1 "diff=6"; c2 "Attack the castled king"; c3 "Rxg7+"; ce 1260; id "arasan20.155"; pm Rxg7+; pv Rxg7+ Kxg7 h6+ Kf8 Qf6 Bd7 exd5 Bc6 Rg1 Ke8 dxc6 Qf8 c7 Rbc8 cxd8Q+ Rxd8;
1r1q1rk1/4bp1p/n3p3/pbNpP1PB/5P2/1P2B1K1/1P1Q4/2RR4 w - - acd 35; acs 884; bm Ne4; c0 "Rybka 4.1 SE42 x64-Komodo64 SSE Version 4, Clash of the Titans 2012"; c3 "Ne4"; ce 442; id "arasan20.156"; pm Ne4; pv Ne4 Rc8 Nf6+ Bxf6 Rxc8 Qxc8 gxf6 Kh8 Kh4 d4 Qxd4 Nb4 Bxf7 Be8 Rc1 Nc2 Bxe8 Nxe3 Rxc8 Nf5+ Kh5 Nxd4 Bd7 Rxc8 Bxc8 Kg8 f5 exf5 e6 Nb5 e7 Kf7 Be6+ Ke8 Bxf5 Kf7 Bxh7 Nc7 Kg5 Ne6+ Kf5 Nd4+;
r1bq1rk1/pp2bppp/1n2p3/3pP3/8/2RBBN2/PP2QPPP/2R3K1 w - - acd 43; acs 120; bm Bxh7+; c0 "Trent-Deslandes, Cap d'Agde CCAS op 2008"; c1 "diff=7"; c3 "Bxh7+"; ce 581; id "arasan20.157"; pm Bxh7+; pv Bxh7+;
r6k/N1Rb2bp/p2p1nr1/3Pp2q/1P2Pp1P/5N2/P3QBP1/4R1K1 b - - acd 35; acs 840; bm Bh3; c0 "Persson-Gerhardt, Simon Webb mem email 2007"; c3 "Bh3"; ce 279; id "arasan20.158"; pm Bh3; pv Bh3 Ng5 Bg4 Qd3 h6 Nf7+ Kg8 Nc6 Bf8 a4 Rg7 b5 axb5 axb5 Rxf7 Rxf7 Qxf7 b6 Bh5 Rb1 Qb7 Qh3 Ng4 Qb3 Bg6 Qc4 Bh7 Qc2 Nf6 Re1 Bg6 Qc4;
r1b2rk1/1pq1nppp/pbn1p3/8/3N4/3BBN2/PPP1QPPP/3R1RK1 w - - acd 35; acs 1818; bm Bxh7+; c0 "Leu-Muck, DDR-ch H137 corr 1973"; c3 "Bxh7+"; ce 288; id "arasan20.159"; pm Bxh7+; pv Bxh7+ Kxh7 Ng5+ Kg6 Qd3+ Nf5 Nxf5 exf5 Bxb6 Qf4 Be3 Qh4 Qd6+ Be6 Nxe6 fxe6 Qxe6+ Rf6 Qb3 Re8 f4 Rh8 h3 Kh7 Rf3 b5 Bf2 Qh6 Rd7 Re8 Rg3 Re7 Rxe7 Nxe7 Bd4 Rg6 Rxg6 Qxg6 Qf3 Nc6 Bc5 Qe6 a3 Kg8 Qd3 Kh7;
3r1rk1/1b2qp1p/1p3np1/1N1p4/6n1/2NBP1K1/PBQ2PP1/3RR3 b - - acd 37; acs 898; bm d4; c0 "KingOfJungle (Deep Fritz 13)-Branstonbear (Houdini 2.0c Pro), playchess.com 2012"; c3 "d4"; ce 457; id "arasan20.160"; pm d4; pv d4 Qe2 dxc3;
br3bk1/3r1p2/3q2p1/3P2Np/2B4P/3QR1P1/3R1P1K/8 w - - acd 30; acs 60; bm Nxf7; c0 "Stockfish 8-Deep Shredder 13, Andreas Strangmüller 2017"; c3 "Nxf7"; ce 344; id "arasan20.161"; pm Nxf7; pv Nxf7;
r3r2k/ppq3np/2p3p1/NPPp1bb1/P2Pnp2/3B1P2/2Q3PP/1RN1BRK1 b - - acd 36; acs 890; bm Ng3; c0 "Zambrana-Krush, 2nd American Continental 2003"; c3 "Ng3"; ce 122; id "arasan20.162"; pm Ng3; pv Ng3 b6 axb6 cxb6 Qe7 hxg3 fxg3 Bxg3 Rxa5 Bf2 Be3;
7k/5rp1/3q1p1p/2bNpQ1P/4P1P1/8/1R3PK1/8 w - - acd 44; acs 142; bm g5; c0 "Blackborn (Houdini 2.0c Pro)-Eroe Inrico (Gull II beta 2), playchess.com 2012"; c3 "g5"; ce 322; id "arasan20.163"; pm g5; pv g5 hxg5 Rb1 Qf8 Qg6 Bxf2 Kxf2 f5 Kg1 fxe4 Ne3 g4 Qxe4 Qd8 Qxe5 Re7 Qf4 Re8 Nf5 Qd5 Qxg4 Qc5+ Kh1 Qc6+ Qg2 Qxg2+ Kxg2 Re5 Rb8+ Kh7 Rf8 Re6 Rf7 Kh8 Ne7 Kh7 Kf3 Kh6 Ng6 Re1 Nf4 Rb1 Rf5 Rc1 Rb5 Rf1+ Kg3 Ra1 Kg4 Rg1+ Kh4 Ra1 Rb8 Kh7 Rf8 Ra5 Kg4 Rb5 Nh3 Rb4+ Kg5 Rb1 Nf2 Rb4 Ng4 Rb5+ Kh4 g5+ Kg3;
4r3/4r3/1ppqpnk1/p3Rp1p/P2P1R1Q/2PB2P1/1P3P2/6K1 w - - acd 40; acs 117; bm Bxf5+; c0 "Jernjoffen (Naum 4)-Redboy (Cyclone 3.4), playchess.com 2009"; c3 "Bxf5+"; ce 671; id "arasan20.164"; pm Bxf5+; pv Bxf5+;
r3nrk1/1pqbbppp/p2pp3/2n1P3/5P2/2NBBNQ1/PPP3PP/R4RK1 w - - acd 39; acs 140; bm Bxh7+; c0 "Wedberg-Ionescu, Berliner Sommer 1998"; c3 "Bxh7+"; ce 167; id "arasan20.165"; pm Bxh7+; pv Bxh7+;
rnbq3r/ppp2kpp/4pp2/3n4/2BP4/BQ3N2/P4PPP/4RRK1 w - - acd 36; acs 133; bm Ng5+; c0 "FloppyBaby-Arasan, ICC 2016"; c3 "Ng5+"; ce 761; id "arasan20.166"; pm Ng5+; pv Ng5+;
8/2N5/1P2p3/5bPk/1q3b2/3Bp2P/2P5/6QK b - - acd 75; acs 132; bm Kh4; c0 "Pinvoy (Houdini 1.5a)-Pawnattack (Houdini 2.0c Pro), playchess.com 2012"; c3 "Kh4"; ce 32694; dm 37; id "arasan20.167"; pm Kh4; pv Kh4 Nd5 Be4+ Bxe4 Qxe4+ Qg2 exd5 Qxe4 dxe4 Kg2 Bxg5 Kf1 Kxh3 Ke2 Kg4 c4 Kf5 c5 Ke6 c6 Kd6 c7 Kd7 Ke1 Be7 Ke2 Bc5 Ke1 Bxb6 c8R Kxc8 Kd1 Kb7 Kc2 e2 Kd2 Kc6 Kxe2 Bc7 Ke1 Kd5 Kf2 Bf4 Ke2 e3 Ke1 Ke4 Kf1 Kf3 Ke1 Bg3+ Kd1 e2+ Kc2 e1Q Kd3 Qe4+ Kc3 Qc6+ Kb3 Qb5+ Ka2 Qa4+ Kb2 Be5+ Kc1 Qc4+ Kd1 Qb3+ Kd2 Bf4+ Ke1;
1k1r1b1r/1p6/p4pp1/P1p1p3/2NpP1p1/1PPP2Pq/1B3P1P/2RQR1K1 b - - acd 32; acs 140; bm f5; c0 "ThomasTM (Komodo 8 64-bit)-Erdo (Komodo 8 64-bit), playchess All Engine Rapid Masters Q3 S 2014"; c3 "f5"; ce 739; id "arasan20.168"; pm f5; pv f5;
5r2/3rkp2/2R2p2/p2Bb2Q/1p2P2P/4q1P1/Pp6/1K1R4 b - - acd 43; acs 6026; bm b3; c0 "Hotmorphy (Deep Shredder 9)-Mr Blue Sky (HIARCS 12), playchess.com 2012"; c3 "b3"; ce 32726; dm 21; id "arasan20.169"; pm b3; pv b3 axb3 a4 bxa4 Qa3 Rc4 Qa1+ Kc2 Qa2 Kd3 Qb3+ Ke2 Qxc4+ Bxc4 Rxd1 Kxd1 b1Q+ Ke2 Qxe4+ Kf2 Qxc4 Qe2 Qxa4 Kg2 Rb8 Kf3 Rb1 Qd2 Qc6+ Kf2 Qe4 g4 Bd4+ Qxd4 Qxd4+ Kf3 Qd3+ Kf2 Rb2+ Kg1 Qb1+;
5rk1/qp1b1rnp/4p1p1/p2pB3/8/1R1B4/PP1QRPPP/6K1 w - - acd 33; acs 60; bm Bxg6; c0 "Komodo 10.4-Booot 6.1, Andreas Strangmüller 2016"; c3 "Bxg6"; ce 196; id "arasan20.170"; pm Bxg6; pv Bxg6 hxg6 Qh6 Qc5 Rh3 Rf6 g4 d4 Re1 Qb4 Rf1 Qe7 g5 Rf5 Qh7+ Kf7 Qxg7+ Ke8 Qxg6+ Kd8 Bf6 R5xf6 gxf6 Qxf6 Qxf6+ Rxf6 f4 Bb5 Rf2 a4 Kg2 Bc6+ Kg3 Rg6+ Kh4 Rh6+ Kg4 Rg6+ Kh5 Be8 Kh4 Ke7 Rd2 Bb5 Rg3 Rh6+ Kg4 Rh8 h4 d3 Rd1 Kf6 h5 Rg8+ Kf3 Bc6+ Kf2;
6k1/5r1p/1p2Q1p1/p7/P1P2P2/2K1R1P1/2N2qb1/8 w - - acd 37; acs 600; bm Qd6; c0 "Stockfish 8-Fire 5, Andreas Strangmüller 2016"; c3 "Qd6 Qe8+"; ce 279; id "arasan20.171"; pm Qd6; pv Qd6;
4r1k1/1p4p1/p1qBp1Qp/b1pnP3/8/5NP1/1P3PKP/3R4 w - - acd 40; acs 129; bm Rxd5; c0 "NVV5 (Houdini 2.0b Pro)-Deep Butterfly (Deep Fritz 13), playchess.com 2012"; c3 "Rxd5"; ce 409; id "arasan20.172"; pm Rxd5; pv Rxd5 exd5 e6 Qxd6 Qxe8+ Qf8 Qd7 Bd8 Ne5 Kh7 Qxd5 Qe8 Nd7 Kh8 Nxc5 Be7 Qd7 Qf8 Nd3 g5 Ne5 Kg7 Qxb7 h5 Nf3 Kf6 Qd5 g4 Nd4 Kg6 Kg1 Kh6 Qe4 Kg7 Kf1 Qe8 Kg2 Qg6 Qe5+ Qf6 Nf5+ Kg6 Nh4+ Kg7 Qe4 Qg5 Nf5+ Kf6 Ne3 Kg7 Nd5 a5 h4 gxh3+ Kxh3 Bd6 f4 Qg4+ Kg2;
2r1k2r/pp1bb1pp/6n1/3Q1p2/1B1N4/P7/1q4PP/4RRK1 w k - acd 67; acs 135; bm Bxe7; c0 "Hannibal-Arasan, Variant-ICS, Amsterdam, NL 2013"; c3 "Bxe7"; ce 32702; dm 33; id "arasan20.173"; pm Bxe7; pv Bxe7 Nxe7 Rxe7+ Kxe7 Re1+ Kd8 Ne6+ Ke7 Nc5+ Kf6 Nxd7+ Kg6 Re6+ Kg5 h4+ Kxh4 Qxf5 Qd4+ Kh2 Rc2 Re4+ Qxe4 Qxe4+ Kg5 Qxc2 Re8 Qf2 h5 Qf7 Rc8 Ne5 Rc6 Qxg7+ Kf5 Nxc6 bxc6 Qd7+ Ke5 Qxc6 Kd4 Qa4+ Kc3 Qxa7 Kc4 Qa5 Kd4 Qxh5 Kc4 a4 Kd4 a5 Kc4 a6 Kd4 Qh4+ Kc3 a7 Kb3 a8Q;
3b2k1/4qp2/2P4Q/3B3p/1P6/1K6/8/8 w - - acd 49; acs 137; bm Bc4; c0 "Murray-Aleshnya, WC30/ct06 ICCF 2010"; c2 "sweat.09"; c3 "Bc4"; ce 241; id "arasan20.174"; pm Bc4; pv Bc4;
1r2brk1/6p1/1q2p1Pp/pN1pPPb1/np1N4/5Q2/1PP1B3/1K1R3R w - - acd 37; acs 828; bm f6; c0 "Aldrete Lobo-Maia, 9th Panamerican Team Chmp, ICCF 2007"; c3 "f6"; ce 252; id "arasan20.175"; pm f6; pv f6 b3 f7+ Bxf7 gxf7+ Rxf7 Qxb3 Nc5 Qh3 a4 Rhf1 Rf4 Qh5 Qb7 Rxf4 Bxf4 Qg4 Bxe5 Nxe6 Ne4 Nd8 Rxd8 Qe6+ Kh8 Qxe5 Nf6 Bd3 Re8 Qd4 Ra8 Rh1 Qc6 Rg1 Qd7 Ka2 Rb8 Nc3;
2rq1Nk1/pb3pp1/4p3/1p6/3b1Pn1/P1N5/1PQ3PP/R1B2R1K b - - acd 42; acs 897; bm f5; c0 "Aronian-Anand, Wijk aan Zee 2013"; c3 "f5"; ce 400; id "arasan20.176"; pm f5; pv f5 Ng6 Qf6 Qe2 Qxg6 Rf3 Qh6 h3 Bb6 Bd2 Bxf3 Qxf3 Nf2+ Kh2 Rd8 Be1 Rd3 Qa8+ Kh7 Bxf2 Qxf4+ g3 Qxf2+ Qg2 Rd2 Qxf2 Rxf2+ Kh1 Rxb2 g4 Bd4 Rc1 a5 gxf5 exf5 Nd5 Rb3 Nc7 Be5 Ne6 Kg6 Rc6 Rxh3+ Kg2 Rxa3 Nd4+ Kg5 Nxb5 Ra1 Kf3;
r1b2rk1/1p4p1/p1n1p3/3p1pB1/NqP3n1/b2BP3/1PQN1P1P/1K4RR w - - acd 34; acs 853; bm Rxg4; c0 "Van Oosterom-Plomp, Korning mem 1998"; c3 "Rxg4"; ce 395; id "arasan20.177"; pm Rxg4; pv Rxg4 Bd7 Rg3 Ne5 Nc5 Qxc5 Bf4;
q2rn1k1/1b3p1p/1p4p1/2n1B1P1/r1PN3P/P4P2/4Q1B1/3RR1K1 w - - acd 37; acs 854; bm Bf6; c0 "Tarnowiecki-Timmerman, Millennium Email 2000"; c3 "Bf6"; ce 512; id "arasan20.178"; pm Bf6; pv Bf6 Nxf6 gxf6 h5 Qe7 Rd7 Nb5 Bc6 Rxd7 Bxd7 Nd6 Qf8 Qxf8+ Kxf8 Re7 Kg8 Nxf7 Be6 Ne5 Rxa3 Rg7+ Kf8 Nxg6+ Ke8 Re7+ Kd8 f7 Bxf7 Rxf7 Nd3 Rh7 Rc3 Rxh5 Kc7 Bf1 Ra3 Rh7+ Kd6 Bxd3 Rxd3 Rd7+ Kxd7 Ne5+ Kd6 Nxd3;
r1b3r1/5p1k/p1n2P1p/P1qpp1P1/1p1p4/3P2Q1/BPPB2P1/R4RK1 w - - acd 36; acs 142; bm Kf2; c0 "Efremov-Fischer, Danube/4 ICCF 2012"; c3 "Kf2"; ce 322; id "arasan20.179"; pm Kf2; pv Kf2 Rg6 Rh1 Bf5 Bb3 Rh8 Rh4 Kg8 Rah1 Nxa5 Qxe5 Nxb3 cxb3 Be6 Qb8+ Qc8 Qxb4 Qc2 Qa5 Qc8 Qb6 Rh7 Qxd4 Kh8 b4 Qc7 Qc5 Qd8 Bf4 Qa8 Ke3 Bd7 Kd2 Ba4 R4h2 Kg8 Qd6 Kh8 g3 d4 gxh6 Rg8 Ra1 Rd8 Qe5 Bb5 Rah1;
r2q1rk1/2p2ppp/pb1p1n2/n3p3/P2PP3/2P2NN1/R4PPP/2BQ1RK1 w - - acd 35; acs 137; bm Bg5; c0 "Carlsen-Beliavsky, Corus-B Wijk aan Zee 2006"; c3 "Bg5"; ce 210; id "arasan20.180"; pm Bg5; pv Bg5 Qd7 Bxf6 gxf6 Nh4 Kh8 Qf3 f5 Nhxf5 f6 Rb1 Rab8 Raa1 Qf7 d5 Ba7 Qd1 Qg6 Qc2 Qg5 Rb4 Bc5 Rab1 Ra8 Rf1 Rfb8 Rbb1 Nc4 Qe2 Nd2 Rxb8+ Rxb8 Rd1 Rb2 Qxa6 Nb3 Qc8+ Qg8 Qxc7 Bxf2+ Kh1 Bxg3 hxg3;
1r2rbk1/1p1n1p2/p3b1p1/q2NpNPp/4P2Q/1P5R/6BP/5R1K w - h6 acd 42; acs 143; bm Ng3; c0 "Carlsen-Anand, Corus Wijk aan Zee 2008"; c3 "Ng3"; ce 312; id "arasan20.181"; pm Ng3; pv Ng3;
r4rk1/1bqnppBp/pp1p1np1/8/P2pP3/2N1QN1P/1PP1BPP1/R4RK1 w - - acd 34; acs 600; bm Qh6; c0 "Lugano (Cfish 291216 BMI2)-Pacificrabbit (Komodo 10.3 64-bit), playchess.com 2016"; c3 "Qh6"; ce 184; id "arasan20.182"; pm Qh6; pv Qh6 dxc3;
5b2/1b2qp1k/2pp1npp/1p6/1P2PP2/r1PQ2NP/2B3P1/3RB1K1 w - - acd 40; acs 899; bm e5; c0 "Steve Wraith (Deep Rybka 4 X3)-Fulcrum (Deep Rybka 4 x64), playchess.com 2010"; c3 "e5"; ce 195; id "arasan20.183"; pm e5; pv e5 dxe5;
r1qr1bk1/2p2pp1/ppn1p2p/8/1PPPN1nP/P4NP1/2Q2PK1/2BRR3 w - - acd 42; acs 2712; bm Neg5; c0 "sedarpi-tazzzzz, www.chesspresso.net 2014"; c3 "Neg5"; ce 149; id "arasan20.184"; pm Neg5; pv Neg5 hxg5 Nxg5 g6 Qe4 Qd7 Qxg4 Nxd4 h5 e5 Qxd7 Rxd7 Ne4 Bg7 h6 Bh8 Bg5 f5 Nf6+ Bxf6 Bxf6 Rf7 Rxe5 Rxf6 Rxd4 Rf7 c5 Rb8 Re6 Kh7 Rc4 b5 Rh4 Ra8 g4 fxg4 Rxg4 Rg8 f4 Kxh6 Kf3 Kh7 Ke3 Rd7 Ke4 Rdd8 Rh4+ Kg7 Re7+ Kf6 Rxc7 Rge8+ Kf3;
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: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Arasan test suite update - beta2

Post by Dann Corbit »

185-200:

Code: Select all

r1b2r1k/4qp1p/p2ppb1Q/4nP2/1p1NP3/2N5/PPP4P/2KR1BR1 w - - acd 47; acs 1652; bm Nc6; c0 "Kholmov-Bronstein, URS-ch32 Kiev 1964"; c3 "Nc6"; ce 155; id "arasan20.185"; pm Nc6; pv Nc6 Nxc6 e5 Nxe5 Ne4 Ng6 Nxf6 Qxf6 fxg6 Qg7 Qxg7+ Kxg7 gxh7+ Kh8 Rxd6 f5 Rd4 a5 Bc4 f4 Rg8+ Rxg8 hxg8Q+ Kxg8 Rxf4 Kg7 Kd2 Bd7 h4 Rc8 Kd3 Rc5 c3 bxc3 Kxc3 Re5 b3 Re1 a3 Kg6 Rd4 Be8 Rd2 Rh1 Rd6 Rh3+ Kd2 Rh2+ Ke3 Bf7 Bxe6 Bxe6 Rxe6+ Kf7 Re4 Rh3+ Kd4 Rxb3 Re3;
5rk1/1p3n2/1q2pB2/1P1p1b1p/5Q1P/3p1NP1/5P2/2R3K1 w - - acd 32; acs 60; bm Ne5; c0 "Houdini 5.01-Fritz 15, Andreas Strangmüller 2016"; c3 "Ne5"; ce 338; id "arasan20.186"; pm Ne5; pv Ne5;
8/2k5/2PrR1p1/7p/5p1P/5P1K/6P1/8 w - - acd 69; acs 321; bm Rxd6; c0 "Topalov-Short, Madrid Magistral 1997"; c1 "mate in 36"; c3 "Rxd6"; ce 32700; dm 34; id "arasan20.187"; pm Rxd6; pv Rxd6 Kxd6 g3 Kxc6 gxf4 Kd7 Kg3 Ke7 Kf2 Ke6 Ke2 Kf6 Kd3 Kf5 Ke3 Kf6 Ke4 Ke6 f5+ gxf5+ Kd4 Kd6 f4 Ke6 Kc5 Kf7 Kd5 Kf6 Kd6 Kf7 Ke5 Kg6 Ke6 Kg7 Kxf5 Kf7 Kg5 Ke6 Kg6 Ke7 f5 Kf8 f6 Ke8 Kxh5 Kf7 Kg5 Ke6 h5 Kf7 h6 Kg8 Kf5 Kf7 h7 Ke8 h8=Q+ Kd7 f7 Kc6 Qd4 Kb5 f8=Q Kc6 Qdc5+ Kd7 Qcd6#;
8/4bBpp/3p4/P6P/2PN2p1/3k1b2/P7/6K1 w - - acd 54; acs 135; bm h6; c0 "Timman, 1c Corus {m} 2008"; c3 "h6"; ce 461; id "arasan20.188"; pm h6; pv h6;
4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - acd 66; acs 17100; bm Kd7; c0 "Sachova skladba 2011-12, 1st Prize"; c3 "f4"; ce 118; id "arasan20.189"; pm f4; pv f4 Bf6 a4 Bc3 f5 Kg7 Ke7 Bf6+ Ke6 Bc3 Bd1 Kf8 Bh5 Kg7 Bg6 Kf8 f6 Bd4 Kd7 Be5 Kc6 h5 Bxh5 Bd4 Kd6 Bc3 Ke6 Ba5 Kd5 Kg8 Ke5 Kf8 Ke6 Bd2 Kd5 Ba5 Kc6 Kg8 f4 c4 bxc4 Kf8 Kc7 Kg8 Kb7 Kf8 Kc6 Kg8 f5 Kf8 f7 Kg7 Kb7 Kf8 Kc7 Ke7 Kc6 Kf8;
5rn1/1p3p1k/r5pp/p1ppPPq1/6N1/1PPP3Q/1P5P/R4R1K w - - acd 35; acs 300; bm e6; c0 "Felkel-Pavlicek, GER/CM01F (GER) ICCF 2014"; c3 "e6"; ce 206; id "arasan20.190"; pm e6; pv e6 gxf5;
8/k3qrpR/1p1p4/p2QpPp1/P1P1P1K1/1P6/8/8 w - - acd 40; acs 868; bm b4; c0 "Keres-Euwe, Netherlands (m/6) 1940"; c3 "b4"; ce 387; id "arasan20.191"; pm b4; pv b4 axb4 a5 Kb8 axb6 Rf8 Qd2 Rd8 Qxb4 Qb7 Qb1 Rg8 Qd3 Qxb6 c5 dxc5 Qc4 Rf8 Rxg7 Qc6 Rg6 Qb7 Qd3 Re8 Qd6+ Ka8 Kxg5 c4 f6 Qf7 Rg7 Rg8 Qxe5 Ka7;
r2qk2r/1b1nbp1p/p1n1p1p1/1pp1P3/6Q1/2NPB1PN/PPP3BP/R4RK1 w kq - acd 34; acs 128; bm Rxf7; c0 "Yang-Artemiev, Aeroflot op Moscow 2016"; c3 "Rxf7"; ce 313; id "arasan20.192"; pm Rxf7; pv Rxf7 Ndxe5 Qxe6 Qd7 Rxe7+ Qxe7 Qxe7+ Kxe7 Bxc5+ Kd8 Ng5 h6 Ne6+ Kd7 Rf1 Nd8 Nf8+ Rxf8 Rxf8 Bxg2 Kxg2 Rc8 Ne4 Rc6 d4 Ne6 Rh8 Nf7 Rg8 Nxc5 Nxc5+ Ke7 Ra8 Ne5 Ra7+ Kd8 b4 Nc4 Kf3 Rf6+ Ke2 Kc8 Rxa6 Rxa6 Nxa6 Nb6 Kd3 Kb7 Nc5+ Kc6 Ke4 h5 Nd3 Nc4 Kf4;
r2qk2r/2p1bpp1/p5B1/1p1pP3/3P2p1/5PnP/PP3R2/RNBQ2K1 b kq - acd 36; acs 234; bm Rxh3; c0 "Hou-Muzychuk, Womens' World Championship 2016"; c3 "Rxh3"; ce 0; id "arasan20.193"; pm Rxh3; pv Rxh3 Qc2 Rh1+ Kg2 Bc5 Qxc5 Rh2+ Kg1 Rh1+ Kg2;
1Q5R/p2r1qk1/1p3p2/3p2p1/3P2P1/P3P3/4KP2/8 w - - acd 48; acs 14012; bm Rh5; c0 "Houdini 5.01-Fritz 15, Andreas Strangmüller 2016"; c3 "Rh5 Rh3"; ce 1027; id "arasan20.194"; pm Rh5; pv Rh5 Qg8;
k6r/ppqb4/2n5/4p2r/P2p1P1P/B1pQ2P1/2P3B1/RR4K1 w - - acd 35; acs 140; bm a5; c0 "Harimau-Arasan, ICC 2016"; c3 "a5"; ce 124; id "arasan20.195"; pm a5; pv a5 e4 Bxe4 Rxa5 Be7 Rxa1 Rxa1 Rg8 Bg5 Qd6 f5 Re8 Bf4 Qc5 Rb1 Rxe4 Qxe4 Qxf5 Qe2 Qe6 Qb5 Bc8 Qd3 Qf5 Qe2 Qg4 Qe4 Bd7 Qd5 Qe6 Qxe6 Bxe6 Rb5 a5 h5 Bg8 g4 a4 Bd6 Bh7;
1r1q2k1/p4p1p/2Pp2p1/2p1P3/1r1n4/1P4P1/3R1PBP/3QR1K1 w - - acd 39; acs 140; bm e6; c0 "ipfreely-Arasan, ICC 2016"; c3 "e6"; ce 277; id "arasan20.196"; pm e6; pv e6 fxe6 Rxe6 Nxe6 Rxd6 Qc7 Qd5 Qf7 Rxe6 Rd4 Qe5 Rd1+ Bf1 Rf8 Qe2 a5 Re7 Rxf1+ Kxf1 Qd5 Qe5 Qxe5 Rxe5 c4 bxc4 Rc8 Rc5 Kf7 Ke2 a4 Kd3 a3 Ra5 Rxc6 f4 Rc8 Rxa3 Kf6 Ra2 h6 Kd4 Rd8+ Kc3 Rc8 Ra6+ Kf5 Ra5+ Kf6 h4 Kf7 c5 g5 fxg5;
2r2rk1/1q3p1p/2b1p1p1/1p1pP3/nP1N1PP1/p1P2Q2/P1R4P/4RBK1 w - - acd 30; acs 135; bm f5; c0 "Andscacs-Arasan 18.3, YAT-3 2016"; c3 "f5"; ce 468; id "arasan20.197"; pm f5; pv f5 exf5 gxf5 Bd7 Qe3 Qb6 e6 fxe6 fxe6 Bxe6 Qxe6+ Qxe6 Nxe6 Rxc3 Rxc3 Nxc3 Nxf8 Kxf8 Re6 Nxa2 Ra6 Nxb4 Rxa3 Nc2 Ra8+ Ke7 Bxb5 Nd4 Bd3 Nf3+ Kf2 Ne5 Ke3 d4+ Kxd4 Nxd3 Kxd3 Kf6 Ra6+ Kf5 Kd4 h5;
b1r1r1k1/p2n1p2/1p5p/2qp1Rn1/2P3pN/6P1/P2N1P1P/Q3RBK1 b - - acd 36; acs 300; bm Qb4; c0 "Andscacs 0.872-Houdini 5.01, match 2016"; c3 "Qb4"; ce 259; id "arasan20.198"; pm Qb4; pv Qb4 Rxe8+;
1q4rk/R1nbp3/1n1p3p/QP1P4/3pPp2/2N2P1P/1P1N3K/5B2 w - - acd 38; acs 123; bm Nb3; c0 "Arasan-ipfreely, ICC 2016"; c3 "Nb3"; ce -8; id "arasan20.199"; pm Nb3; pv Nb3 d3 Nd4 Rg3 Nd1 Nxb5 Nxb5 Bxb5 Qc3+ Kg8 Rxe7 Nd7 Ne3 Ne5 Rxe5 dxe5 Nf5 d2 Qxd2 Bxf1 Nxg3 fxg3+ Kxg3 Qf8 f4 Qg7+ Kh2 exf4 Qf2 Bd3 Qxf4 Qxb2+ Kg3 Qg7+ Kf3 Bc2 Qf5 Bd1+ Ke3 Qa7+ Kf4 Qf7 Qxf7+ Kxf7 e5 Ke7 Ke4 Bc2+ Kd4 Bf5 h4 Bc8 Kc5 Bb7 Kd4 Ba6 Kc5 Bd3 Kd4 Bf1 Ke4 Bb5 Kf5;
4rrk1/1bq1pp2/p2p1n1Q/1pn2p1p/4P3/P1N2P2/BPP3PP/2KRR3 w - - acd 32; acs 128; bm g4; c0 "Zubov2 (Stockfish 070216)-TyPhUs (Komodo 9.3), playchess.com 2016"; c3 "g4"; ce 405; id "arasan20.200"; pm g4; pv g4;
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: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Arasan test suite update - beta2

Post by Dann Corbit »

You have a couple check (+) symbols missing from the best moves.
That will cause some GUIs to not see that the correct move was chosen.
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.
Paloma
Posts: 1167
Joined: Thu Dec 25, 2008 9:07 pm
Full name: Herbert L

Re: Arasan test suite update - beta2

Post by Paloma »

Vinvin wrote: 1.Nh7(then 2.Qh5) is close to 1.Qh5 :

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 28/53	00:16	 163 397k	9 695k	+1,34	1.Nh7 Rfe8 2.Qh5 b4 3.axb4 Qxb4 4.Rb1 e5 5.Rfc1 Qc4 6.Nhg5 hxg5 7.Nd6 Nf6 8.Bh7+ Kf8 9.Rxc4 Nxh5 10.Nxb7 Rb8 11.Be4 Rxb7 12.Bxc6 Rc8 13.Bxb7 Rxc4 14.Bxe5 Nf6 15.Ba6 Rb4 16.Rc1 Ne8 17.Kf1 Bf6 18.Bg3 Ke7 19.Rd1 g6 20.h3 Rb2 21.Kg1
 28/53	00:16	 163 397k	9 695k	+1,77	1.Qh5 e5 2.Nh7 Rfe8 3.f4 exf4 4.Bb3 Qb6 5.Bxd5 Rxd5 6.Qxd5 Qxe3+ 7.Kh1 Rd8 8.Qf5 Nd4 9.Nhf6+ gxf6 10.Nxf6+ Kf8 11.Qxf4 Qxf4 12.Rxf4 Ne6 13.Rg4 Bxf6 14.Bxf6 Rd5 15.Kg1 Rf5 16.Bc3 Rg5 17.Rxg5 hxg5 18.Kf2 Ke7 19.Re1 Bc6 20.g3 g4 21.Ke3
16 sec and depth 28 is not enough. :shock:

asmFishW_2017-04-03_bmi2:
After 1.Qh5 1...Re8 +2.01/42 2.Nc5 Bxg5 3.Bxg7 Kxg7 ....
After 1.Nh7 1...Rfe8 +0.88/47 2.Qh5 b4 3.axb4 Qxb4 ....
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Arasan test suite update - beta2

Post by Vinvin »

Paloma wrote:
Vinvin wrote: 1.Nh7(then 2.Qh5) is close to 1.Qh5 :

Code: Select all

Stockfish_170409_x64_modern_matefinder:
...
 28/53	00:16	 163 397k	9 695k	+1,34	1.Nh7 Rfe8 2.Qh5 b4 3.axb4 Qxb4 4.Rb1 e5 5.Rfc1 Qc4 6.Nhg5 hxg5 7.Nd6 Nf6 8.Bh7+ Kf8 9.Rxc4 Nxh5 10.Nxb7 Rb8 11.Be4 Rxb7 12.Bxc6 Rc8 13.Bxb7 Rxc4 14.Bxe5 Nf6 15.Ba6 Rb4 16.Rc1 Ne8 17.Kf1 Bf6 18.Bg3 Ke7 19.Rd1 g6 20.h3 Rb2 21.Kg1
 28/53	00:16	 163 397k	9 695k	+1,77	1.Qh5 e5 2.Nh7 Rfe8 3.f4 exf4 4.Bb3 Qb6 5.Bxd5 Rxd5 6.Qxd5 Qxe3+ 7.Kh1 Rd8 8.Qf5 Nd4 9.Nhf6+ gxf6 10.Nxf6+ Kf8 11.Qxf4 Qxf4 12.Rxf4 Ne6 13.Rg4 Bxf6 14.Bxf6 Rd5 15.Kg1 Rf5 16.Bc3 Rg5 17.Rxg5 hxg5 18.Kf2 Ke7 19.Re1 Bc6 20.g3 g4 21.Ke3
16 sec and depth 28 is not enough. :shock:

asmFishW_2017-04-03_bmi2:
After 1.Qh5 1...Re8 +2.01/42 2.Nc5 Bxg5 3.Bxg7 Kxg7 ....
After 1.Nh7 1...Rfe8 +0.88/47 2.Qh5 b4 3.axb4 Qxb4 ....
Sure, it did some learning in hashtables to get a more accurate score.
Did you really let SF analyze until depth 47 ?

The best lines I follow gives a score between 0.90 and 1.10 : 1. Nh7 Rfe8 2. Qh5 b4 3. axb4 Qxb4 4. Rb1 e5 5. Rfc1 Qa5 6. h4 Qa2 7. Nc3...