SF18 finally coming

Werewolf · Post by **Werewolf** » Sat Jan 31, 2026 12:30 pm

I also think SF18 very soon now

GenoM · Post by **GenoM** » Sat Jan 31, 2026 12:55 pm

pohl4711 wrote: ↑Sat Jan 31, 2026 5:42 am [...]
this great idea was taken from Monty engine.
[...]

I knew the authors of Monty are very talented

Werewolf · Post by **Werewolf** » Sat Jan 31, 2026 1:06 pm

pohl4711 wrote: ↑Sat Jan 31, 2026 5:42 am
Jouni wrote: ↑Fri Jan 30, 2026 12:48 pm False alarm? In Discord they now speak about Q1 2026 release. And probably February 29th .
I am still expecting SF 18 very soon. D.Monroe just released this new video about SF 18 (Threat Input Nets) on his channel and mentioned, this great idea was taken from Monty engine.

ngl...that's actually a really cool video.

Gabor Szots · Post by **Gabor Szots** » Sat Jan 31, 2026 3:47 pm

It has arrived but download links do not work.

Ipmanchess · Post by **Ipmanchess** » Sat Jan 31, 2026 4:04 pm

Stockfish 18 released:

https://github.com/official-stockfish/S ... /tag/sf_18

https://abrok.eu/stockfish/

Jouni · Post by **Jouni** » Sat Jan 31, 2026 4:52 pm

Nice. NCM has already played 100 000 games (!) with no functional change. +14 elo to version 17.1. But going down?

Ajedrecista · Post by **Ajedrecista** » Sat Jan 31, 2026 7:32 pm

Hello:

I see around 9300 games right now against SF 15, not 100000. Other matter that was discussed before is the possible early draw adjudication. The current adjudication is:

Code: Select all

[...]
  -draw \
    movenumber=34 \
    movecount=8 \
    score=5 \
[...]

I understand this as 8 consecutive moves with abs(eval) =< 5 cp by both engines, starting from move 34 of the game or move 34 after the opening book, at least. Example of a game pair in NCM:

[pgn][Event "?"]
[Site "?"]
[Date "2026.01.31"]
[Round "2"]
[White "20260131-1146"]
[Black "sf15"]
[Result "1/2-1/2"]
[FEN "r1bq1rk1/pppnbnpp/4p3/3pPp2/P2P1P2/2P2N2/1P4PP/R1BQKBNR w KQ - 0 1"]
[GameDuration "00:01:29"]
[GameEndTime "2026-01-31T15:26:57.417 UTC"]
[GameStartTime "2026-01-31T15:25:28.093 UTC"]
[PlyCount "103"]
[SetUp "1"]
[Termination "adjudication"]
[TimeControl "30+0.3"]

1. Bd3 {+1.16/23 4.2s} c5 {-1.23/22 0.97s} 2. Ne2 {+1.18/18 0.93s}
cxd4 {-1.19/21 0.54s} 3. Nfxd4 {+1.03/19 3.7s} Nc5 {-0.99/16 0.65s}
4. b4 {+1.00/15 0.68s} Nxd3+ {-1.16/16 0.84s} 5. Qxd3 {+1.06/16 0.49s}
Bd7 {-1.05/20 0.99s} 6. h3 {+1.00/19 3.2s} Qe8 {-1.06/21 2.9s}
7. Be3 {+1.04/15 0.40s} Rc8 {-1.10/22 2.2s} 8. g4 {+1.08/19 1.5s}
a5 {-1.05/18 0.51s} 9. b5 {+1.11/16 0.27s} Rc4 {-1.14/20 0.81s}
10. gxf5 {+1.14/16 0.50s} Nd8 {-1.26/24 3.1s} 11. O-O {+1.21/16 0.56s}
exf5 {-1.18/21 1.2s} 12. Nb3 {+1.19/16 0.97s} Kh8 {-1.18/24 2.6s}
13. Ned4 {+1.18/17 1.0s} b6 {-1.26/19 0.61s} 14. Kh2 {+1.12/19 2.8s}
Qh5 {-1.32/18 0.73s} 15. Rg1 {+1.09/17 1.3s} g5 {-0.85/16 0.65s}
16. Nd2 {+1.08/17 2.0s} g4 {-0.82/18 0.66s} 17. Rg3 {+1.03/16 0.78s}
Rc7 {-0.98/21 2.5s} 18. Kg2 {+1.11/17 1.0s} Qg6 {-1.46/23 2.9s}
19. Rh1 {+1.29/15 0.72s} Bh4 {-1.55/19 0.37s} 20. hxg4 {+1.27/16 0.33s}
Bxg3 {-1.36/20 0.64s} 21. g5 {+1.17/15 0.69s} Bxf4 {-1.41/19 0.52s}
22. Bxf4 {+1.10/17 0.76s} Ne6 {-1.36/20 0.54s} 23. Nxe6 {+0.97/22 1.2s}
Bxe6 {-1.30/21 0.81s} 24. Rh6 {+1.04/16 0.90s} Qe8 {-1.34/23 2.6s}
25. Qd4 {+1.34/15 0.32s} Rb7 {-1.28/20 0.44s} 26. Kf2 {+1.30/18 1.3s}
Rg8 {-1.01/18 0.76s} 27. Rf6 {+1.32/18 0.38s} Rg6 {-0.80/20 2.0s}
28. Nf3 {+1.38/16 0.28s} Qc8 {-0.93/19 0.36s} 29. Nh4 {+1.45/15 0.49s}
Rxf6 {-0.96/18 0.79s} 30. exf6 {+1.30/20 0.56s} Kg8 {-0.85/20 0.69s}
31. Nf3 {+1.34/16 0.46s} Bf7 {-0.66/22 1.1s} 32. Ne5 {+1.31/14 0.55s}
Qe6 {-0.76/17 0.33s} 33. Qe3 {+1.36/17 1.00s} Bh5 {-0.69/23 2.0s}
34. Qh3 {+0.96/17 1.6s} Be8 {-0.71/16 0.20s} 35. Qh6 {+0.80/18 2.1s}
Ra7 {-1.05/18 0.73s} 36. Ke2 {+0.76/15 0.63s} Rc7 {-0.62/13 0.054s}
37. Kd1 {+0.76/12 0.36s} Ra7 {-0.54/18 0.54s} 38. Nc6 {+0.94/14 0.20s}
Bxc6 {-0.17/14 0.049s} 39. bxc6 {+1.03/11 0.37s} Qe4 {0.00/20 0.12s}
40. g6 {+0.35/12 0.33s} Qb1+ {0.00/21 0.22s} 41. Ke2 {+0.19/12 0.30s}
Qc2+ {0.00/23 0.23s} 42. Kf1 {0.00/32 0.18s} Qd1+ {0.00/26 0.29s}
43. Kf2 {0.00/26 0.039s} Qc2+ {0.00/28 0.17s} 44. Kg3 {0.00/29 0.087s}
Qxc3+ {0.00/28 0.17s} 45. Kg2 {0.00/38 0.10s} Qc2+ {0.00/29 0.20s}
46. Kh3 {0.00/30 0.13s} Qc3+ {0.00/29 0.32s} 47. Kg2 {0.00/45 0.22s}
Qc2+ {0.00/32 0.29s} 48. Kg1 {0.00/77 0.71s} Qb1+ {0.00/34 0.54s}
49. Kh2 {0.00/36 0.14s} Qb2+ {0.00/64 0.17s} 50. Kg1 {0.00/37 0.16s}
Qb1+ {0.00/35 0.47s} 51. Kh2 {0.00/45 0.16s} Qb2+ {0.00/245 0.45s}
52. Kg3 {0.00/40 0.38s, Draw by adjudication} 1/2-1/2

[Event "?"]
[Site "?"]
[Date "2026.01.31"]
[Round "2"]
[White "sf15"]
[Black "20260131-1146"]
[Result "1/2-1/2"]
[FEN "r1bq1rk1/pppnbnpp/4p3/3pPp2/P2P1P2/2P2N2/1P4PP/R1BQKBNR w KQ - 0 1"]
[GameDuration "00:01:29"]
[GameEndTime "2026-01-31T15:26:57.724 UTC"]
[GameStartTime "2026-01-31T15:25:28.022 UTC"]
[PlyCount "102"]
[SetUp "1"]
[TimeControl "30+0.3"]

1. Bd3 {+1.32/25 0.97s} c5 {-1.00/21 1.00s} 2. Ne2 {+1.19/23 0.67s}
cxd4 {-0.93/18 1.00s} 3. cxd4 {+1.26/24 0.67s} Nb8 {-0.93/20 0.71s}
4. O-O {+1.22/22 1.4s} Nc6 {-0.94/22 1.4s} 5. Kh1 {+1.16/22 1.9s}
Bd7 {-0.91/19 1.3s} 6. h3 {+1.06/22 0.36s} Be8 {-0.92/20 1.6s}
7. Bd2 {+1.31/19 1.8s} Nb4 {-0.92/17 0.52s} 8. Bb1 {+1.26/17 0.62s}
Rc8 {-0.86/18 1.4s} 9. g4 {+1.23/16 1.00s} Nh6 {-0.78/17 0.47s}
10. Rg1 {+1.20/18 0.70s} Bg6 {-0.69/19 1.6s} 11. g5 {+1.10/21 0.89s}
Nf7 {-0.71/16 0.56s} 12. Ng3 {+1.10/18 0.76s} Qb6 {-0.66/16 0.45s}
13. a5 {+1.39/20 1.8s} Qb5 {-0.66/14 0.55s} 14. h4 {+1.30/21 0.70s}
Nd8 {-0.67/20 0.95s} 15. h5 {+1.40/19 1.5s} Be8 {-0.75/16 0.88s}
16. Nh4 {+1.20/21 5.2s} g6 {-0.62/17 0.99s} 17. Kg2 {+1.42/18 1.0s}
Kg7 {-0.58/18 0.69s} 18. Rh1 {+1.05/21 3.3s} Nd3 {-0.76/21 7.2s}
19. b3 {+1.05/17 0.94s} Rg8 {-0.70/18 1.1s} 20. Rh3 {+1.21/19 1.1s}
Nb4 {-0.70/17 0.46s} 21. Nf3 {+1.43/18 1.3s} Kf8 {-0.77/19 1.6s}
22. hxg6 {+1.19/19 0.91s} hxg6 {-0.71/15 0.29s} 23. Rh7 {+1.15/17 0.53s}
Nf7 {-0.70/19 2.6s} 24. Nh4 {+0.84/22 5.7s} Nd8 {-0.73/16 0.37s}
25. Ra4 {+0.95/18 0.92s} Nd3 {-0.50/15 0.84s} 26. Ra2 {+0.60/16 0.89s}
Nb4 {-0.49/14 0.26s} 27. Ra1 {+0.49/15 0.43s} Ndc6 {-0.48/17 1.1s}
28. Qh1 {+0.95/14 0.19s} Bf7 {-0.49/13 0.47s} 29. Rxf7+ {+0.14/13 0.41s}
Kxf7 {-0.07/16 0.32s} 30. Nxg6 {+0.32/15 0.078s} Rxg6 {-0.03/17 0.28s}
31. Bxf5 {0.00/20 0.50s} exf5 {0.00/17 0.36s} 32. Qh7+ {0.00/22 0.041s}
Ke8 {0.00/17 0.34s} 33. Qxg6+ {0.00/23 0.14s} Kd8 {0.00/18 0.51s}
34. Rh1 {0.00/24 0.12s} Kc7 {0.00/24 0.28s} 35. Rh7 {0.00/25 0.14s}
Kb8 {0.00/23 0.33s} 36. Rxe7 {0.00/25 0.22s} Nxe7 {0.00/29 0.43s}
37. Qd6+ {0.00/22 0.36s} Ka8 {0.00/34 0.31s} 38. Bxb4 {0.00/27 0.31s}
Qd3 {0.00/36 0.40s} 39. Qxe7 {0.00/30 0.27s} Qc2+ {0.00/32 0.58s}
40. Kf1 {0.00/24 0.15s} Qd1+ {0.00/37 0.30s} 41. Be1 {0.00/26 0.19s}
Qf3+ {0.00/57 0.42s} 42. Kg1 {0.00/29 0.22s} a6 {0.00/41 0.30s}
43. Nf1 {0.00/29 0.32s} Rh8 {0.00/41 1.0s} 44. Ng3 {0.00/32 0.67s}
Rc8 {0.00/43 0.25s} 45. g6 {0.00/34 0.94s} Rc2 {0.00/72 2.2s}
46. Qd8+ {0.00/43 0.10s} Ka7 {0.00/56 0.16s} 47. Qb6+ {0.00/39 0.24s}
Kb8 {0.00/88 1.6s} 48. Qd8+ {0.00/42 0.27s} Ka7 {0.00/83 0.14s}
49. Qb6+ {0.00/44 0.19s} Kb8 {0.00/94 1.4s} 50. Qd6+ {0.00/245 0.75s}
Ka8 {0.00/52 0.25s} 51. Qd8+ {0.00/49 0.043s}
Ka7 {0.00/121 0.057s, Draw by 3-fold repetition} 1/2-1/2[/pgn]

NCM wrote:Test Conditions
NCM uses Dell R7515 128-thread EPYC 7702 dedicated servers to perform its dev build tests. Each server plays 16 games concurrently with 30+0.3 time controls. Hash is set to 128MB, and Threads is set to 8.

------------

I skipped SF 17.1, but I am going to upgrade to SF 18. Released on January, 31st, feast of Saint John Bosco, patron saint of students among others, let the new SF allow us to solve and compose many difficult chess studies!

Regards from Spain.

Ajedrecista.

peter · Post by **peter** » Sat Jan 31, 2026 7:36 pm

Upgraded the 256 to 325:

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=5"; 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+=5"; id "Konig?, CCC._Cornforth96?, CSS+Playchess_HTC108-11 Arasan, 6";
1r3rk1/5p1p/p2pb1p1/3Np1P1/2pRPR2/qP2Q1N1/P1PK3P/8 w - - bm Nf5; c0 "Nf5=15, Nf6+=2"; id "PoorFish, CostalbaM_Borderline, Dual_HTC108-12, 7";
1rb1qrk1/2b2pp1/p3pBn1/3pP1Pp/1ppP4/2P1QN2/PP3P1P/R2BR1K1 w - - bm Nh4; c0 "Nh4=5"; id "LC0, CCC._SF, CSS._HTC108-15 S, 8";
2bk2r1/5q2/1p2pP1Q/pP1pP1P1/P2P4/8/2RK4/8 w - - bm Kc1; c0 "Kc1=5"; id "AlphaZero, HTC108-21._SF_Game9 2017, 9";
2q2r1k/p1p1b1pp/br1p1n2/2p1N1BP/Q1P1P3/8/PP1N1PP1/2KR3R w - - bm Ng6+; c0 "Ng6+=5"; id "Gashimov, V._Azariov, S._2011 HTC108-23, 10";
2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - bm Rf4; c0 "Rf4=5"; 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+=15"; id "Rudolph, W.E._?_Studie 1912 HTC108-30 S, 14";
4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - bm Qxe5; hc0 "Qxe5=5"; 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+=20"; id "Neghina, M._Stronghold, 2003?._HTC108-49 S, 17";
6k1/ppn2p2/8/2P2P1p/1P2K3/2N5/P7/8 w - - bm Nd5; c0 "Nd5=5"; id "Tunik_Duzhakov_2011 HTC108-52, 18";
7k/4PBNp/7P/2p5/2P5/2rq2Pp/1P3P1K/8 b - - bm Qxg3+; c0 "Qxg3+=5"; id "Neghina, M._Chase, Derived_HTC108-54, 19";
r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4; c0 "Nd4=5"; id "SolomonKing, ?CCC._2.g4, Hiarcs_HTC108-80 S, 20";
r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - bm Bg4; c0 "Bg4=5"; id "Nicolic, E._Fischer, R._HTC108-94 S, 21";
r5rk/1bq1bpp1/1p1ppn1p/pP5P/2P1P3/P1N2P2/1B1Q1P2/1K1R1BR1 w - - bm Nd5; c0 "Nd5=20"; id "Morozevich, A._Vitiugov, N._Reggio 2011 HTC108-100, 22";
3q3N/1p5k/5B2/8/1p2p1Rp/1P5K/p3PP2/8 w - - bm Rg7+ Rxh4+; c0 "Rg7+=5, Rxh4+=5"; 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=20"; id "Zepler, E.E._Studie, 1928._?, 24";
5N1n/3P1p1p/5P1k/1Pp1P2p/4KP1P/2p5/p4b2/5N2 w - - bm Ne3; c0 "Ne3=5"; id "Formela, Michal_Studie, 2019._Polski Zwiazek Szachowy, 25";
r1b2rk1/3n1pb1/2p1p1p1/p5P1/Pp2B1NQ/1q4P1/2R2P2/3R2K1 w - - bm Rxd7; c0 "Rxd7=5"; id "Stoofvlees_SF_TCEC 2019, 26";
8/1pp2k2/p2p3p/3n1KP1/5P1P/8/1P1B4/8 w - - bm Ke4; c0 "Ke4=15"; id "Lasker, Emanuel_Lipke, Paul_Nebenvariante 41.Ke4! MS, 27";
1r1q1r1k/5pp1/3p1b2/pp1BpPB1/1n2P1QP/1PN5/1PPK4/R7 w - - bm Ne2; c0 "Ne2=5"; id "Los, Andrii_Kubicki, Tadeusz_corr LIPEAD40 (PER), 28";
r1b2rk1/pp3p2/2p3pp/2n5/8/q3RN2/P4PPP/2RQ1BK1 b - - bm Qa4; c0 "Qa4=5"; id "PurePower_Exxon_Chessbase online, 29";
r2n1r1k/1pp5/3ppn2/P2Pp2p/2P1P1pq/1Q2R2P/R2N1PP1/4N1K1 w - - bm g3; c0 "g3=5"; id "Bauer, Robert_Zhak, Boris Mikhailovich_WC30/final, 30";
2b5/1pr4p/3bp1pk/1p6/1PpN2PP/K1P1n3/P3N1R1/3R4 w - - bm Nxb5; c0 "Nxb5=5"; id "Mihai Neghina_Desperation_White to move and draw S, 31";
3r2k1/p4pP1/1ppr4/5Bp1/P2qPnQP/4R3/5P2/5RK1 w - - bm e5; c0 "e5=5"; id "Tauber, Hans_Sikorsky, Horst_37.e5!, 32";
1q6/4p3/6Q1/2N1n3/p2P2P1/P2PP1k1/4Kp1p/2B5 w - - bm Ne4+; c0 "Ne4+=20"; id "Bondarenko+Gorgiev, Studie1959_BrillanterSchachzug, 17._?, 33";
7k/Bp1R1b1p/1p2pK1n/8/4P1P1/6pB/4p3/8 w - - bm Bb8; c0 "Bb8=15"; 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=20"; id "ACT3, ??._?_?, 36";
7r/p2b4/rp2p2p/kB6/8/2K5/1P6/4R3 w - - bm Re5; c0 "Re5=5"; id "ACT3, ??._Festung_?, 37";
8/qpp5/8/k1p1N3/2p5/P7/1PP1B3/K7 w - - bm Nc6+; c0 "Nc6+=20"; 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=5"; id "ACT3, ??._Studie?_S, 40";
3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - bm Nd4; c0 "Nd4=10"; id "Neghina, M._GoldenerK fig, 2009._S, 41";
8/p7/8/8/7P/1pk4P/P1P5/1K1Qbq1N b - - bm Bf2; c0 "Bf2=15"; id "Matous, Derived_ColoursExch_POW.38, 42";
4q1kn/2Bp1p2/1N1PpPp1/1P2P1P1/2N3b1/6p1/1P4Pb/7K w - - bm Na5; c0 "Na5=15"; id "Neghina, M._WhieTo, MoveAndWin_2018? S, 43";
8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - bm Bh5+; c0 "Bh5+=5"; 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=5"; 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=20"; id "TCEC, Sammlung_Nr.22, rj329_CCC, 48";
r1bqkb1r/3n1ppp/p3p3/8/Pp1B1n2/3B1N2/1P1NQPPP/R2R2K1 w kq - bm Qe1; c0 "Qe1=5"; id "Sikorsky, Horst_Vinchev, Simeon_corr GER, Hiarcs, 49";
r5b1/7P/p7/2B4p/rp6/4N1P1/p2R4/1k1K4 w - - bm Rb2+; c0 "Rb2+=5"; 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=15"; id "Petrov, M._Sikorsky, H._CL/2021, 55";
4k2q/p4p1B/1pp3pP/2N2pP1/2P2P1N/8/PP2P3/2K5 w - - bm Nxg6; c0 "Nxg6=15"; id "Study, ?._CCC_ACT5 11, 56";
5kbQ/pp4p1/n3p2p/3p2r1/7N/2PPP2P/PP3PP1/4n2K b - - bm Rxg2; c0 "Rxg2=15"; id "Study, ?._?_ACT5 29, 57";
8/p2p4/r7/1k6/8/pK5Q/P7/b7 w - - bm Qd3+; c0 "Qd3+=5"; 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=5"; id "ERET 032_Zugzwang_Fahrni 1922, 59";
1k6/bPN2pp1/Pp2p3/p1p5/2pn4/3P4/PPR5/1K6 w - - bm Na8 Rf2; c0 "Na8=5, Rf2=5"; id "ERET 037_Zugzwang_Garcia 2000, 60";
8/4nk2/1p3p2/1r1p2pp/1P1R1N1P/6P1/3KPP2/8 w - - bm Nd3; c0 "Nd3=5"; 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=5"; id "ERET 050_Koenigsangriff_Hansen-Barua, Biel 1993, 62";
4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - bm f4; c0 "f4=20, Bd1=20"; id "ERET 090_Endspiel L vs L_Salai 2011, 63";
2b1r3/r2ppN2/8/1p1p1k2/pP1P4/2P3R1/PP3PP1/2K5 w - - bm Nd6+; c0 "Nd6+=20"; 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+=15"; 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=20"; id "Cyclic, ZZ?._?_ACT5-25 2, 68";
k1b5/1p1p4/p1bP4/PP6/8/6N1/8/K7 w - - bm b6; c0 "b6=5"; 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=5"; 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=15"; id "Kos, V._?_ACT5-34 2, 73";
Q2q3r/4kp1n/pP2P1pp/3Pp3/K3B3/1PP4P/1P2r3/4B3 w - - bm Qa7+; c0 "Qa7+=5"; 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=5"; 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=15"; id "Zinar, M._HHdbVI.0210037.002a., 09076?._ACT5-44 2, 76";
8/1p3p2/8/1P1NP3/B4K2/1R6/p1Pp4/2k5 w - - bm Nb4; c0 "Nb4=15"; id "Nestorescu, V._HHdbVI.0708805.002a., 33432?._ACT5-46 1, 77";
3r4/1K3p1p/3P1p2/3k1P2/3B4/1P6/1P3P1P/8 w - - bm Bc5; c0 "Bc5=15"; id "Timman, J._HHdbVI.0033988.002a., 01480._ACT5-48 2, 78";
8/1p6/p4N2/q6p/Pp1kp3/1P3P2/3K2P1/2R5 w - - bm f4; c0 "f4=5"; 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=15"; id "Bernhardt, G._?_ACT5-58 2, 81";
5b2/4p1p1/p2pP1P1/P3P3/4P1N1/5KP1/4p1pP/4Bbrk w - - bm Kf4; c0 "Kf4=10"; id "Unknown, Author_?_ACT5-61 2, 82";
6k1/6pp/3K2b1/6P1/4p2P/7P/P7/1B6 w - - bm h5; c0 "h5=5"; 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=5"; id "SilhanJ, ZizkaL_?_ACT5-59 3, 86";
r6k/p2b2pp/q1n1p2n/3pPpB1/2pP4/2P2NQ1/2P1BPP1/1R4K1 w - - bm Bf6; c0 "Bf6=5"; id "Hiarcs, ?._?_TTT2 2, 87";
2bq1rk1/p1n1b1p1/1r5p/3pPp2/2pP1B1P/2P4N/P1B1QP2/2K3RR w - - bm Rg3; c0 "Rg3=5"; 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=5"; id "Midgame, ?._?._TTT2 23, 90";
rnbq3r/1p2b1k1/2pp1p1p/pP3pp1/2BP3N/P3P3/2P2PPP/RN1Q1RK1 w - - bm Ng6; c0 "Ng6=15"; id "TTT2.053_?_TTT2, 91";
5qk1/pp4p1/4ppp1/2Q3P1/7P/P1P5/1P4P1/6K1 w - - bm Qxf8+; c0 "Qxf8+=5"; id "TTT2.073_?_TTT2, 92";
6Bq/5pkp/4P2p/1nN1KP1P/7P/8/8/8 w - - bm f6+; c0 "f6+=15"; id "RoxlauM, GrushkoM_HHdbVI_ACT4 4 1, 93";
8/5bb1/N1r2k2/3p1p1p/p1pPpP2/PpP1P2P/1P5P/6RK w - - bm Nb8; c0 "Nb8=15"; id "Smyslov, V._?_ACT4-26 1, 94";
8/8/3k2p1/5ppb/3P4/1P6/1P3NP1/4K3 w - - bm g4; c0 "g4=15"; id "Smyslov, V._?_ACT4-41 1, 95";
2n3B1/6p1/2P2p2/1p3P1p/1p1nK2P/3P4/4N2p/7k w - - bm Ke3; c0 "Ke3=5"; 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+=20"; id "Wotawa, A._?_ACT4-66 1, 98";
8/5P2/Np1q1k2/8/p1pP3P/2P2P2/P7/1KB5 b - - bm a3; c0 "a3=5"; id "Study, ?._?_ACT4-90 1, 99";
8/1p1k4/1Pp1p3/2P1p2N/4K1p1/p5N1/8/8 w - - bm Kd3; c0 "Kd3=5"; id "Bethge, F._?_ACT4-91, 100";
2K5/p1p4k/p1p5/2p3p1/6Pb/6p1/p5P1/B7 w - - bm Kd8 Kd7; c0 "Kd8=15, Kd7=15"; id "Blathy, O._?_ACT4-94 1, 101";
4K3/1B1p4/pn1Npb2/k3p3/P1pn4/P7/7B/3N4 w - - bm Bc6; c0 "Bc6=20"; id "Cortlever, N._HHdbVI_ACT3-29 1, 102";
n6r/b7/1R4R1/2k5/2pppppp/8/1PPPPPP1/r4NK1 w - - bm b4+; c0 "b4+=15"; id "Korolkov, V._?_ACT3-38, 103";
b1K2b1n/p1BNp2r/3pP1Nr/PB1Pppp1/Pk2P2n/8/PP6/8 w - - bm a6; c0 "a6=15"; id "Fortress, ?._?_ACT3-41 1, 104";
2K3b1/8/pPP1p1P1/2p1k2N/2P1pN1P/6PP/n1pQ2p1/1q3r2 w - - bm Kc7; c0 "Kc7=15"; id "Unknown, Author_?_ACT3-48, 105";
5N1r/5n1n/ppp3R1/5K2/7k/6p1/6PN/8 w - - bm Rg4+; c0 "Rg4+=20"; id "Kraemer, A._?_ACT3-49, 106";
8/6Qp/p5pP/P2n4/8/5p2/p2K1P2/1k2Bb2 w - - bm Qa1+; c0 "Qa1+=15"; 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=5"; 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=5"; 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=15"; id "Bazlo, Yuri_10moves, less_2019 HHdbVI 1, 112";
rn2kr2/1pp1b1p1/4p3/1Pp1P2p/p1P1NP1P/P7/1B4P1/3RR1K1 w - - bm g3; c0 "g3=5"; id "Opening, Hiarcs_!, ?!._?, 113";
r4rk1/ppp1bppp/2p5/4P3/8/1q2B3/PPPR1PPP/3R2K1 w - - bm cxb3; c0 "cxb3=15"; id "TCEC, rj329_?_CCC, 114";
r1b5/1pk2pr1/1Rp1p1q1/p1PpPp1p/P2P1Q1P/4P1P1/4B1K1/3R4 w - - bm e4; c0 "e4=15"; id "TCEC, rj329_?_CCC Nr.5, 115";
3r1r2/pb2nkp1/1pnb1p1p/2pNpP2/q1P1P1PP/3P1N2/P3BR2/3RQ1BK w - - bm g5; c0 "g5=15"; id "Gleichmann, Matthias_Praznik, Niko_corr CT21/final, 116";
8/3p4/p3b3/P4p1p/4pP1P/2pP2Np/Q2P2kp/2N1K3 w - - bm Qb1; c0 "Qb1=15"; id "Yarmonov, I._Glarean_2020, 117";
2r1r3/1p2qppk/1Ppp1nnp/p3p3/P1PPP3/2NBPR1P/6PK/3Q1R2 w - - bm Ne2; c0 "Ne2=5"; id "Eman_SugaR_Glarean, 118";
7k/p1pp2pp/1p1p4/8/2P2B1R/q1PP4/8/3R2K1 w - - bm Rf1; c0 "Rf1=15"; id "Hobacle's, VersionOf_Walter Eigenmann's, Study_?, 119";
r1n5/k3pp2/2Rr4/1p6/1p6/p4pp1/QP4Pn/4RBK1 w - - bm Rec1; c0 "Rec1=15"; 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=15"; id "Heinz, J._Glarean_Study 1981, 123";
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/R1n4P/2P1N1P1/3q4 w - - bm Rxc3; c0 "Rxc3=5"; id "Josten, G.._Glarean, EngineCrackers_Studie 2001, 124";
rb2n3/p3B3/1P5p/2P4K/5k2/1r4p1/3R2R1/8 w - - bm Rxg3; c0 "Rxg3=5"; id "Timman, J.._HHdbVI_?, 125";
8/1p4p1/1Np2pP1/1p6/6P1/P2kP1PK/P2P4/2b5 w - - bm Na8; c0 "Na8=5"; id "Gelly, M.._HHdbVI_Glarean, 126";
6K1/5p2/6p1/1N2qk1p/p6R/7P/Pp2N3/2B5 w - - bm Ned4+; c0 "Ned4+=20"; 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";
r1n2N1k/2n2K1p/3pp3/5Pp1/b5R1/8/1PPP4/8 w - - bm Ng6+; hmvc 0; c0 "Ng6+=10"; id "ENET-2026 001 (ERET 002)_ENET-2026_Qf5, N.N.-N.N. (Analyse), 1";
5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KBN2/7P/8 w - - bm Nxg5; hmvc 0; c0 "Nxg5=5"; id "ENET-2026 002 (ERET 004)_Endspiel L&S vs L&S_Nxg5, Anand-Shirov, Advanced Chess 2000, 2";
3kB3/5K2/7p/3p4/3pn3/4NN2/8/1b4B1 w - - bm Nf5; hmvc 0; c0 "Nf5=5"; id "ENET-2026 007 (ERET 019)_Endspiel L&L&S&S vs L&S&B_Nf5, Broni 1970, 7";
8/6N1/3kNKp1/3p4/4P3/p7/P6b/8 w - - bm exd5; hmvc 0; c0 "exd5=5"; id "ENET-2026 015 (ERET 038)_Endspiel S&S vs L&B_exd5, Garcia 2000, 15";
2r5/3k1p2/1pnb1p2/p2p1r1p/3p3P/PP1N2P1/1BR1PP2/3R1K2 w - - bm f4; hmvc 0; c0 "f4=5"; id "ENET-2026 021 (Onlinegame)_Lc0 vs Stockfish_f4! Lc0 vs Stockfish, Onlinegame, 21";
2b1r3/5pkp/6p1/4P3/QppqPP2/5RPP/6BK/8 b - - bm c3; hmvc 0; c0 "c3=5"; id "ENET-2026 022 (ERET 054)_Endspiel D&T&L vs D&T&L_c3, Jussupow-Kasparov, Linares 1990, 22";
8/2pN1k2/p4p1p/Pn1R4/3b4/6Pp/1P3K1P/8 w - - bm Ke1; hmvc 0; c0 "Ke1=20"; id "ENET-2026 027 (ERET 066)_Endspiel T&S vs L&S_Ke1, Marwitz 1965, 27";
6r1/6r1/2p1k1pp/p1pbP2q/Pp1p1PpP/1P1P2NR/1KPQ3R/8 b - - bm Qf5; hmvc 0; c0 "Qf5=5"; id "ENET-2026 030 (ERET 075)_Festung_Qf5, N.N.-N.N. (Analyse), 30";
8/2P1P3/b1B2p2/1pPRp3/2k3P1/P4pK1/nP3p1p/N7 w - - bm e8=N; hmvc 0; c0 "e8=N=20"; id "ENET-2026 036 (ERET 089)_Unterverwandlung_e8N, Rumaenien 1977, 36";
8/8/4p1Pk/1rp1K1p1/4P1P1/1nP2Q2/p2b1P2/8 w - - bm Kf6; hmvc 0; c0 "Kf6=15"; id "ENET-2026 042 (ERET 096)_Endspiel D vs T&L&S_Kf6, Sochnev 2009, 42";
rn3r1k/pn1p1ppq/bpp4p/7P/4N1Q1/6P1/PP3PB1/R1B1R1K1 w - - bm Bg5; hmvc 0; c0 "Bg5=5"; id "ENET-2026 044_AlphaZero vs Stockfish_Bg5, 44";
1br2rk1/4q1p1/p3pn1p/Ppp1N3/1P2Pn2/4R1NP/1B1R1PP1/3Q2K1 b - - bm Qb7; hmvc 0; c0 "Qb7=10"; id "ENET-2026 045_Ollinegame beste Verteidigung_Qb7, 45";
2brrbk1/qp1n1ppp/pnp5/4p3/1PR5/PN1P1NPP/4PPB1/B1Q1R1K1 w - - bm Re4; hmvc 0; c0 "Re4=20"; id "ENET-2026 046_Mittelspiel_Re4 (Rc2), 46";
8/1pn2pp1/5k1p/RBr5/P7/P6P/5PPK/8 b - - bm Na6; hmvc 0; c0 "Na6=5"; id "ENET-2026 047_Onlinegame Stockfish vs Lc0_Na6, 47";
4r3/2p3kp/R1Pp1q2/3P2p1/1P2rp2/7P/1Q3RP1/6K1 w - - bm Qxf6+; hmvc 0; c0 "Qxf6+=15"; id "ENET-2026 048_Onlinegame Beste Verteidigung_Qxf6!, 48";
r3r1n1/2p2ppk/1qppb2p/2b2N1N/p2pP3/2P2Q1P/PP3PP1/R1B1R1K1 b - - bm Bxf5; hmvc 0; c0 "Bxf5=5"; id "ENET-2026 049_Onlinegame_Bxf5 (dxc3?), 49";
5b2/5k1p/1pb2pp1/1r1p4/3P1B1P/P7/1P3PP1/2R3K1 w - - bm b4; hmvc 0; c0 "b4=5"; id "ENET-2026 050_Lc0 vs Stockfish, Onlinegame_b4!, 50";
r4rk1/pb1qbppp/1p2pn2/2np4/2PN4/1P2P3/PBBNQPPP/2RR2K1 b - - bm Rfc8; hmvc 0; c0 "Rfc8=20"; id "ENET-2026 051_Onlinegame Best move_Rfc8, 51";
r1b2rk1/pp5p/1n2pp2/3p4/2P2B2/b1P2NPq/P1Q1BP1P/1K1R3R w - - bm g4; hmvc 0; c0 "g4=5"; id "ENET-2026 052_Onlinegame_g4!, 52";
2kr4/pp1n1pBp/3bp1p1/3p2qP/P7/3B1K2/1PP2P2/R2Q1R2 b - - bm f6; hmvc 0; c0 "f6=10"; id "ENET-2026 053_Online Engine game Solista_f6! (e5?), 53";
r1b2rk1/1p1n1ppp/1qn5/p2pP3/Pb1p4/1N1B1N1P/1P3PP1/R1BQR1K1 w - - bm Bxh7+; hmvc 0; c0 "Bxh7+=5"; id "ENET-2026 054_Online engine game_Bxh7+!, 54";
r4rk1/1b4pp/4pq2/PB2n3/3N1Pn1/1PN3K1/1B2Q1P1/R4R2 b - - bm Qh6; hmvc 0; c0 "Qh6=5"; id "ENET-2026 055_Dorsz, Stockfish v Blue Marli_Qh6!, 55";
r3r2k/p1pq3p/R3bppN/2P5/1p1pP1P1/3P4/2P2P1P/3Q2RK b - - bm Qe7; hmvc 0; c0 "Qe7=20"; id "ENET-2026 056_Verteidigung Bestmove_Qe7, 56";
2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - bm f6; hmvc 0; c0 "f6=10"; id "ENET-2026 057_Zugzwang_f6!, 57";
7k/3q1pp1/1p3r2/p1bP4/P1P2p2/1P2rNpP/2Q3P1/4RR1K b - - bm Rxf3; hmvc 0; c0 "Rxf3=20"; id "ENET-2026 058_Turmopfer_Rxf3!, 58";
r1b3r1/5p1k/p1n2P1p/P1qpp1P1/1p1p4/3P2Q1/BPPB2P1/R4RK1 w - - bm Kf2; hmvc 0; c0 "Kf2=20"; id "ENET-2026 059_Angriff_Kf2 Bestmove, 59";
3r1rk1/pbq1bp1p/1n1Rp1p1/2p1P1N1/4N2P/1P3Q2/PB3PP1/K6R w - - bm h5; hmvc 0; c0 "h5=20"; id "ENET-2026 060_K nigsangriff_h5! Bestmove, 60";
1nrq1rk1/1Q3ppp/p1pbpn2/8/1P1PP3/P4NP1/3N1P1P/R1B2BK1 b - - bm Re8; hmvc 0; c0 "Re8=10"; id "ENET-2026 067_Mittelspiel_Re8!, 67";
r1b2rk1/pp1n1ppp/4p3/3pP3/1bPNnB1q/2NB2P1/PPQ2P1P/R3K2R b KQ - bm Qh5; hmvc 0; c0 "Qh5=5"; id "ENET-2026 068_Damenausfall_Qh5! (Qh3?), 68";
1k1r3r/1p2q3/3p2p1/1NnP1p1p/4nR2/Q7/P1P1B1PP/2KR4 w - - bm Qa5; hmvc 0; c0 "Qa5=5"; id "ENET-2026 069_K nigsangriff_Qa5!, 69";
2kr3r/qp1n1p2/p2p2p1/N2Pn2p/1P3Q1P/7R/P1P1B1P1/2KR4 w - - bm Ra3; hmvc 0; c0 "Ra3=10"; id "ENET-2026 070_Angriff_Ra3!, 70";
1rbq1r1k/5p1p/2np2p1/p2Np1b1/R1B1P3/1PP1N3/5PPP/3QK2R w K - bm h4; hmvc 0; c0 "h4=5"; id "ENET-2026 071_Spieloeffnung_h4!, 71";
r2q1rk1/1b3p2/p3pQp1/1pnpP1Pp/P2N4/3B4/2P2PP1/1R2R1K1 b - - bm Ne4; hmvc 0; c0 "Ne4=5"; id "ENET-2026 072_Mittelspiel Entlastung_Ne4!, 72";
r4r2/pppb1kpQ/3bnp1p/1P1p3q/P2P4/R4N1P/2B2PP1/2B1R1K1 b - - bm Rfe8; hmvc 0; c0 "Rfe8=5"; id "ENET-2026 073_Mittellspiel_Rfe8!, 73";
1r3rk1/1bqnbpp1/p2ppn1B/1p6/4PP1Q/PNNB4/1PP3PP/1K1R3R b - - bm Nd5; hmvc 0; c0 "Nd5=15"; id "ENET-2026 076_Entlastung_Nd5, 76";
3q1rk1/2bb2p1/3p3p/1ppP1p2/3p1B2/1P1P1QNP/2P2PP1/R5K1 b - - bm b4; hmvc 0 c0 "b4=5"; id "ENET-2026 077_Blockade_b4! Onlinegame, 77";
r3r1k1/2pn1pp1/1qppb2p/2b1p3/p1P1P3/2BP1NNP/PP2RPPK/2RQ4 b - - bm Bb4; hmvc 0; c0 "Bb4=5"; id "ENET-2026 078_Mittelspiel_Bb4! Onlinegame, 78";
2r1r1k1/p3b2p/5p2/PpPb2p1/4PQ2/2B1N1Rq/2P4P/7K w - - bm Nxd5; hmvc 0; c0 "Nxd5=5"; id "ENET-2026 079_Taktik_Nxd5! Onlinegame, 79";
r3r3/2p3pp/2k1b3/1pBpPq2/2n5/1Q6/4B1PP/R2R2K1 w - - bm Ba7; hmvc 0; c0 "Ba7=5"; id "ENET-2026 080_Mittelspiel_Ba7! Onlinegame, 80";
1B1K1k2/4N2p/3pP1pP/6p1/p7/3N2b1/2r2p2/8 w - - bm Nc6; hmvc 0; c0 "Nc6=10"; id "ENET-2026 082_Nc6!_HTC114, 82";
1N4K1/1pp1p3/7k/2r3pP/p2pp1P1/P6N/8/2B5 w - - bm Nc6; hmvc 0; c0 "Nc6=10"; id "ENET-2026 083_Nc6_HTC114, 83";
3b2n1/1q3p1k/6pp/np2N3/2bBPN2/1pP4P/4QPP1/1B4K1 w - - bm Nexg6; hmvc 0; c0 "Nexg6=10"; id "ENET-2026 085_Nexg6_HTC114, 85";
3k4/4pp2/n2n4/5BN1/3N4/b7/4K3/8 w - - bm Nxf7+; hmvc 0; c0 "Nxf7+=5"; id "ENET-2026 086_Nxf7+_HTC114, 86";
4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - bm Kc8; c0 "Kc8=20"; hmvc 0; id "ENET-2026 087_Kc8!_HTC114, 87";
6k1/p7/8/4B3/Pp3p1P/qP5P/P1Rb2K1/8 w - - bm Kf3; hmvc 0; c0 "Kf3=5"; id "ENET-2026 088_Kf3!_HTC114, 88";
8/1p1pNpbk/1q1P4/pP2p2K/P3N3/4P1P1/3P4/8 w - - bm Nc8; hmvc 0; c0 "Nc8=10"; id "ENET-2026 090_Nc8_HTC114, 90";
8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - bm Nf6+; hmvc 0; c0 "Nf6+=10"; id "ENET-2026 092_Nf6+_HTC114, 92";
8/p3N3/1n3N2/2n3pP/pkP5/8/3P4/K7 b - - bm Nxc4; hmvc 0; c0 "Nxc4=5"; id "ENET-2026 093_Nxc4!_HTC114, 93";
8/p7/qkpN1p2/8/1B1P4/PP3K2/5P2/8 w - - bm Ba5+; hmvc 0; c0 "Ba5+=10"; id "ENET-2026 094_Ba5+_HTC114, 94";
N7/8/2KQ2rp/6k1/3p3p/2p4P/4PP2/5N2 w - - bm f4+; hmvc 0; c0 "f4+=5"; id "ENET-2026 095_f4+_HTC114, 95";
Nq3n1k/8/P1p2Npp/2Kp3R/pp6/n3p3/8/4Q3 w - - bm Nc7; hmvc 0; c0 "Nc7=15"; id "ENET-2026 096_Nc7_HTC114, 96";
r1b3k1/ppppn1pp/4n1q1/8/5P2/2N1B3/PPP3QP/3R1RK1 w - - bm f5; hmvc 0; c0 "f5=10"; id "ENET-2026 097_f5!_HTC114, 97";
r2q1r2/1b2bpkp/n3p1p1/2ppP1P1/p6R/1PN1BQR1/NPP2P1P/4K3 w - - bm Qf6+; hmvc 0; c0 "Qf6+=5"; id "ENET-2026 098_Qf6+_HTC114, 98";
r2r2k1/1pp1qppp/8/n2PP3/p3P3/n1R2N2/4BP1P/3Q1RK1 b - - bm b5; hmvc 0; c0 "b5=5"; id "ENET-2026 099_b5!_Onlinegame, 99";
8/3k1p2/p3pP2/1p2PnPb/5K2/P7/8/4BB2 b - - bm Nd4; hmvc 0; c0 "Nd4=10"; id "ENET-2026 100_Nd4_Onlinegame, 100";
r1q2r1k/3b2pp/3p4/4p3/pN2P2b/2PQ1pP1/RPB2P1P/R5K1 b - - bm Bxg3; hmvc 0; c0 "Bxg3=10"; id "ENET-2026 103_Bxg3!_Onlinegame, 103";
r3brk1/1p2qn1p/4p1p1/p1PpN3/P2PpP2/1P4QP/4N1PK/R4R2 b - - bm Nd8; hmvc 0; c0 "Nd8=10"; id "ENET-2026 104_Nd8!_Onlinegame, 104";
r3r1k1/p1p1np2/Pp1p1qpB/4p2n/1P2P3/2P3Pb/2P1BP1N/R2QR1K1 b - - bm Nxg3; hmvc 0; c0 "Nxg3=10"; id "ENET-2026 105_Nxg3!_Onlinegame, 105";
4qr2/1p1r1p1k/1BbppPp1/4b1Pp/p1P1PN1P/Pn6/1P2RQB1/3R2K1 b - - bm Bxf4; hmvc 0; c0 "Bxf4=5"; id "ENET-2026 106_Bxf4!_Onlinegame, 106";
r4rk1/5pp1/1bn4p/3ppPnN/p1p4q/2P3RP/PPQ2PP1/R1BB2K1 b - - bm Ra5; hmvc 0; c0 "Ra5=20"; id "ENET-2026 108_Ra5! (d4!?)_Onlinegame, 108";
2b5/4kp1p/p1p1n1p1/1p6/1P1rP3/P2N1PK1/2R2P1P/3B4 w - - bm Be2; hmvc 0; c0 "Be2=10"; id "ENET-2026 109_Be2! (Rc3?)_Onlinegame, 109";
2N3q1/pp1N4/5K2/7k/7P/3Q4/1P6/r7 w - - bm Ne7; hmvc 0; c0 "Ne7=10"; id "ACT5.100";
2k5/Q1np1N2/2p2Bpp/1p1P4/pPP1p2P/P5q1/8/1K6 w - - bm Qxc7+; hmvc 0; c0 "Qxc7+=10"; id "ACT4.035";
2nB1k2/6pp/3p2p1/n2K4/3Qp1N1/1Np4R/rb1p4/1Rq3r1 w - - bm Ke6; hmvc 0; c0 "Ke6=20"; id "ACT2.074";
5r2/NBk4P/8/8/1P2K3/pp6/1p6/1N6 w - - bm Bd5; hmvc 0; c0 "Bd5=10"; id "ACT5.095";
6rk/2p1np2/1r1pb3/1p2p3/p1PPP1p1/1P2N1Pq/P1BQRP2/3R2K1 w - - bm Nf1; hmvc 0; c0 "Nf1=5"; id "TTT2.085";
1k5b/p2K3P/P6p/p4pp1/1p6/4B3/2P5/8 w - - bm Bc1; hmvc 0; c0 "Bc1=10"; id "ACT3.084";
1rk1br1q/1pbp1n2/5p2/4P3/PpQR1PPN/4R1p1/1PK4n/6B1 w - - bm Rc3; hmvc 0; c0 "Rc3=10"; id "ACT2.045";
2B4n/p4p1P/n1p2Pp1/p1P3P1/P1q1NN2/4K3/P2P4/5k2 w - - bm Bxa6; hmvc 0; c0 "Bxa6=10"; id "ACT4.087";
2B4n/p4p1P/r1p2Pp1/p1P3P1/P1q1NN2/4K3/3P4/5k2 w - - bm Bxa6; hmvc 0; c0 "Bxa6=5"; id "ACT5.010";
4n1k1/8/1b1P3P/1qB3Np/6PK/7Q/p2p1p2/8 w - - bm h7+; hmvc 0; c0 "h7+=10"; id "ACT5.049";
6k1/8/ppp2pP1/4P1p1/7p/PPP1K3/8/8 w - - bm e6; hmvc 0; c0 "e6=5"; id "ACT3.093";
6nN/2p5/P1k2b2/2Bpp3/8/3bR3/8/K7 w - - bm Rxd3; hmvc 0; c0 "Rxd3=10"; id "ACT4.084";
1b2b1BN/2r1pp1n/2qpR2p/r1Np1Rnk/p5p1/Q5Kp/8/4B3 w - - bm Qf3; hmvc 0; c0 "Qf3=15"; id "ACT3.089";
6r1/ppk2p1p/2b5/2R1pPP1/4P2P/8/4BK2/8 w - - bm Bc4; hmvc 0; c0 "Bc4=5"; id "TTT1.092";
5Kbk/4B1pp/3N1R2/p3P2n/3P2p1/2P2p2/1P1pP1r1/1B4n1 w - - bm Rh6; hmvc 0; c0 "Bh6=10"; id "ACT2.047";
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=20"; id "Hiarcs_Buch_512, 131";
r3kr2/pp2bpp1/2b4p/q3p3/2B1p1PP/1Q2B3/PPP2P2/2KR2R1 w q - bm g5; c0 "g5=5"; id "AM, Hiarcs_Wrong, Book_512, 132";
r7/1QP1N1Kp/pn2P1b1/Nnk2p2/7p/p4BP1/1rPPp2q/8 w - - bm Qxa8 Nd5; c0 "Qxa8=5, Nd5=5"; 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=5"; id "ERET 059_?_512, 136";
4r1k1/1r1np3/1pqp1ppB/p7/2b1P1PQ/2P2P2/P3B2R/3R2K1 w - - bm Bg7 Bg5; c0 "Bg7=5, Bg5=5"; id "ERET 084_?_512, 137";
1k1n4/1p1b1p2/1Bp1pPp1/1PP1P3/8/6P1/8/1K6 w - - bm Bc7+; c0 "Bc7+=15"; id "Hasek_?_512, 139";
1nrqr3/1b4bk/pp3pp1/3pPp1p/P1pP1P1P/2P1BN2/1PB2QP1/R4RK1 w - - bm g4 Nh2; c0 "g4=5"; id "Unknown_Source_triple doubt, 140";
1rb1nrk1/1p1qp2p/p1np1p1Q/3NPp2/2P5/3B1N1P/P2B2P1/R6K w - - bm e6 g4; c0 "e6=5"; id "Hiarcs, Second_Book, Best_512, 141";
2R5/k1p1p1K1/P1p1Pp2/5P2/7P/pB6/2p5/2r5 w - - bm Rxc7+; c0 "Rxc7+=5"; id "Source?_?_512, 142";
2b1Bbk1/5ppp/p3p3/8/1r3P2/4P3/P4P1P/3Q2K1 w - - bm e4; c0 "e4=5"; id "Hard, Pos_2022, Dann_triple doubt, 143";
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=5"; id "Source?_Dann?_512, 146";
2r1r1k1/4bppp/1q4n1/3pP3/p1pP4/PnR2NBP/1P4P1/1B1QR2K w - - bm e6 Bf5; c0 "e6=5"; id "Gaprindashvili_Bliss_Corr, Glarean, 147";
2r2rk1/1bpR1p2/1pq1pQp1/p3P2p/P1PR3P/5N2/2P2PPK/8 w - - bm Kg3; c0 "Kg3=5"; id "Timman, J._Short, N._Tilburg 1991, 148";
2r2rk1/2qp1p1p/p1p2Pp1/2b1p3/4n3/4B3/PPP1B1PP/R3QR1K w - - bm Bxc5; c0 "Bxc5=5"; id "Gusia_Barlov, D._Switzerland 1980, 149";
2r3k1/1r3p2/1qb1pPpR/3pP1N1/p1pP4/PpP5/1Pn1BB1P/3R3K w - - bm Rg1; c0 "Rg1=5"; id "Hard, Positions_2022, Dann_512, 150";
3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; c0 "Qa8=5"; id "Balasz, J._?_Magyar Sakkvilag#375, 151";
3q4/4k3/1p1b1p1r/p2Q4/3B1p1p/7P/1P4P1/3R3K w - - bm b4; c0 "b4=5"; id "arasan_19.120_?, 152";
3rr1k1/pb3p1p/qp2p1pB/2p4n/3pN3/2P2B1Q/PP5P/R2R3K w - - bm Qxh5; c0 "Qxh5=5"; id "Source?_Dann?_?, 153";
4kb1r/2q2ppb/p2pp2p/5P2/NrPB2P1/1P3Q2/1K1R3P/7R w k - bm fxe6; c0 "fxe6=5"; 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+=5"; id "Source?_?_?, 156";
4rrk1/p1q1bpp1/b1n1p2p/1pppP1N1/n4B1P/3P2P1/PPP1QPBN/R3R1K1 w - - bm Qh5; c0 "Qh5=5"; id "Source?_?_512, 157";
5kN1/3p1q2/5P2/5PP1/2pK4/1p1R4/1P6/8 w - - bm Rxb3; c0 "Rxb3=5"; 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=5"; id "Source?_?_512, 160";
5rk1/8/pqPp1r1p/1p1Pp1bR/4B3/5PP1/PP2Q1K1/R7 w - - bm Rxg5+ Rah1; c0 "Rxg5+=20, 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=20, Kh3=10"; id "Rusz, A._?_Glarean multiple, 163";
6k1/1pp2p2/3p4/p2P1Pp1/2P1n1Pp/4B1nP/PP4B1/4K3 w - - bm Bxe4; c0 "Bxe4=10"; id "Source?_?_512, 164";
6r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - bm Qxg6+; c0 "Qxg6+=5"; id "Source?_#13_mulitple, 166";
7k/pp2Np1p/2p2P1N/5pP1/7K/P4n2/1q3Q2/5n2 w - - bm Kh5; c0 "Kh5=5"; 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";
8/1p1r2R1/p5p1/5bp1/2PB1k2/1PK5/P7/8 b - - bm Rxd4; c0 "Rxd4=5"; id "Svidler, P._Karjakin, S._Glarean, 170";
8/2p1q3/p3P3/2P4p/1PBP2kP/2N3P1/7K/8 w - - bm Be2+; c0 "Be2+=15"; id "Troitzky, A._?_Pravda#107 1928, 171";
8/4K2p/6pr/5pk1/1pB2R2/p4PP1/8/8 w - - bm Rg4+; hc0 "Rg4+=5"; id "Evreinov, V._?_Shakhmaty v SSSR#187 1940, 173";
8/6pp/1K6/N5P1/3N4/8/npn1P3/k7 w - - bm Nab3+; c0 "Nab3+=5"; id "Lommer, H._?_4.hm Problemas (SEPA) 1962, 174";
8/8/8/2pK3p/8/5N2/1P4pq/5Rbk w - - bm Rb1; c0 "Rb1=15"; 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=5"; id "Hard, Positions_Corbit, Dann_2022, 176";
kr1b4/p1p2B2/2p5/2p1p3/KpP1P3/1P4N1/8/7R w - - bm Rh6; c0 "Rh6=5"; id "Blundell, D._?_Bent JT EG 1989, 177";
q1r5/k3ppp1/2R5/PP1KP2r/2p4Q/2p1p3/5pP1/3R4 w - - bm Qd4+; c0 "Qd4+=20"; id "Kostadinov, D._?_Probleemblad#173 2005, 178";
q7/b1p5/kp1p4/p2PN3/PPP5/1K6/8/5B2 w - - bm c5+; c0 "c5+=5"; id "Neghina, M._Slowness_Componist#07 2012, 179";
r1b1k1r1/1p2np1p/p1n1pQp1/3p4/3NPP2/P2RB3/2PK2PP/q4B1R w q - bm Be2; c0 "Be2=5"; id "Hard, Positions_Corbit, Dann_2022, 180";
r1b3k1/ppp1q1pp/2n1p3/3pP2P/8/2NB2Q1/PPP3P1/2K2R2 w - - bm Bg6; c0 "Bg6=5"; id "Hector_So_Malmo 211, 181";
r1bq1rk1/1p1nbppp/p3p3/2ppP3/5B1P/2PBP3/PP1N1PP1/R2QK2R w - - bm Bxh7+; c0 "Bxh7+=5"; id "Hard, Positions_Corbit, Dann_2022, 183";
r1bq1rk1/pp1n1pp1/4pn1p/2p3B1/3P4/P1PB1N2/2P3PP/R3QRK1 w - - bm Qh4; c0 "Qh4=5"; 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=5"; id "Nijboer, F._Winants, L._Hoogovens-B 1988, 186";
r2q1r2/1b2bpkp/p3p1p1/2ppP1P1/7R/1PN1BQR1/1PP2P1P/4K3 w - - bm Qf6+; c0 "Qf6+=5"; id "Asauskas_Malisauskas_Vilnius 2004 HTC, Arasan, 187";
r2q1rk1/ppp2p2/3p1np1/4pNQ1/4P1pP/1PPP4/1P3P2/R3K1R1 w Q - bm Qh6; c0 "Qh6=5"; id "Hard, Positions_Corbit, Dann_2022, 188";
r2qkb1r/3bpppp/p4nn1/3P4/1p1N4/1QN3B1/PP3PPP/R3KB1R w KQkq - bm Nc6; c0 "Nc6=5"; id "Hard, Positions_Corbit, Dann_2022, 189";
r2qrbk1/1b3p2/3p2pB/1p1P1N2/1np1P3/5NRP/1P3PP1/1B1Qn1K1 w - - bm N3h4; c0 "N3h4=5"; id "Hard, Positions_Corbit, Dann_2022, 190";
r3nrk1/5pB1/p2q1P1b/1p2P3/3p4/3B1N2/PPP5/5R1K w - - bm Bxh6; c0 "Bxh6=5"; id "Nijboer, F._Dao, T._Hoogovens-B 1977, 191";
r3r1k1/1bppq2p/1p1n1bp1/3P1p2/p4N1P/P1PB1P2/1P1Q1BP1/1K1R3R w - - bm g4; c0 "g4=5"; id "Hard, Positions_Corbit, Dann_2022, 192";
r3rbk1/ppq2ppp/2b1pB2/8/6Q1/1P1B3P/P1P2PP1/R2R2K1 w - - bm Bxh7+; c0 "Bxh7+=5"; id "Hard, Positions_Corbit, Dann_2022, 193";
r4r1k/1p1n1ppp/1qb1p3/2b1P3/2B3Q1/p1NR4/PPP3PP/1KB1R3 w - - bm Rh3; c0 "Rh3=5"; id "Hard, Positions_Corbit, Dann_2022, 194";
r4r1k/1p4qp/b1pNRbp1/2P5/3p1P1P/PQ4P1/3R2BK/8 w - - bm Rd1; c0 "Rd1=5"; id "Source?_Corbit, Dann_HardPositions 2022, 195";
r4rk1/4bppp/bq2p3/npnpP3/p2B1P2/P1PB1N2/1P2QNPP/R4RK1 w - - bm Bxh7+; c0 "Bxh7+=5"; id "Source?_Corbit, D._HardPositions 2022, 196";
r5n1/p1p1q2k/4b2p/3pB3/3PP1pP/8/PPPQ2P1/5RK1 w - - bm Qf4; c0 "Qf4=5"; id "Source?_Corbit, D._HardPositions 2022, 197";
8/8/8/5Bp1/7k/8/4pPKP/8 w - - bm Bg4; c0 "Bg4=5"; id "Source?_Fortress_HardPositions 2022 Corbit, 198";
8/4r1pk/2B5/1P3P2/2PrPb1p/6qP/1R1p2P1/3R2QK b - - bm Ra7; c0 "Ra7=5"; id "Lounek_DeOlivera_Corr 2016 Glarean, 199";
8/ppk2p1p/4pp2/4b3/4P3/PP6/4NPPP/5K2 b - - bm b5; c0 "b5=5"; id "Source?_Corbit, Dann_HardPositions 2022, 200";
1B4bk/p4n1p/6pP/3p4/7p/3Pp2P/1p2P1K1/bB6 w - - bm Bh2; c0 "Bh2=20"; id "Timman, J._Derived, -3m_New in Chess Magazine 2007, 201";
1N6/B2p1p1p/3P1P1P/2K5/pP6/p3p3/rpp1P2P/qkn4R w - - bm Nc6; c0 "Nc6=15"; 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=20"; id "Korolkov, V._?_3.p Problem#081 1959, 204";
2N5/p1R1B3/K2R4/1P6/kp6/8/1PPr1ppr/8 w - - bm Nb6+; c0 "Nb6+=5"; id "Wotawa, A._?_Deutsche Schachzeitung#641 1965, 205";
2q2B1b/6rp/4p2k/7P/1p1PPPP1/1p4K1/8/Q7 w - - bm Qa6; c0 "Qa6=5"; 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=5"; id "Pervakov, O._Stavrietsky, A._2011 Glarean, 207";
4N3/p1p5/P1P5/7p/5p1P/p2P1K2/rpp5/qkn1R3 w - - bm Nd6; c0 "Nd6=5"; id "Bron, V._Derived, -5m_Magyar Sakkelet#0563 1964, 208";
4R1K1/3p2p1/3k4/pP2p3/P6p/4B2P/1p3PP1/8 w - - bm Bf4; c0 "Bf4=5"; id "Kok, T._?_De Schaakwereld#418 1941, 209";
5b2/1Q2p1p1/4P1Pp/6p1/B7/3K4/1p5P/2k1q3 w - - bm Qc6+; c0 "Qc6+=5"; id "Becker, R._Derived, -1m_3.p Garcia JT 2013, 210";
6k1/p1p1p1p1/P5Pq/7P/8/5R2/1P1P4/5K1B w - - bm Rf5; c0 "Rf5=5"; id "Beyer, H._Derived, -1m_1982, 211";
6N1/p1p1p3/P1P1P3/3K4/8/5p2/pppP1P1P/rkn4R w - - bm Nf6; c0 "Nf6=20"; id "Zinar, M._Derived, -1m_2012, 212";
7r/1n1P2rp/1P3kp1/1q6/3p4/b7/p1RB1P2/3QR1K1 w - - bm Qg4; c0 "Qg4=5"; id "Josten, G._Derived, -1m_Humor Tourney EBUR#079 w2004, 213";
7R/q5p1/3B4/1pN4p/7k/p3P3/3P2PP/6K1 w - - bm Bf4; c0 "Bf4=15"; id "Josten, G._Derived, -1m_.c NONA 2005, 214";
8/3p2pr/1K1k2N1/p3RP1r/6p1/1Pp5/nb2P2n/4B3 w - - bm Bf2; c0 "Bf2=15"; 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=15"; 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=5"; 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=15"; id "Bron, V._?_Magyar Sakkelet#0341 1959, 220";
k2NQ3/p2Kpp1p/4p1pn/3Pb3/1P4b1/1P1p4/r6r/5n2 w - - bm Nb7+; c0 "Nb7+=5"; 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=15"; id "Source?_POW45_#15, 222";
k7/qp1N4/np6/1N4K1/2p1p3/8/3P4/8 w - - bm Kg4; c0 "Kg4=5";; id "Manvelyan, A._Derived, -7m_2.p Kasparjan MT 1997, 223";
n2Bqk2/5p1p/5KP1/p7/8/8/2Q5/8 w - - bm Qc8; c0 "Qc8=15"; id "Source?_POW47_#13, 224";
nk3b2/2rP4/5pp1/5R2/2K2B2/8/1P6/8 w - - bm Kb5; c0 "Kb5=15"; 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+=5"; id "Wilczek - Leupold, 8th Baltic Sea Team_?_repl, 228";
8/p4pk1/r1p1p1p1/P1PpRnPp/1P3P2/2P5/4RK2/8 w - - bm Rxf5; c0 "Rxf5=20"; id "Source?_Corbit, Dann_HardPositions 2022 Multiple, 229";
1r3knr/3b1pp1/p2q3p/3p2P1/2pN3P/P1N2P2/1PPQ4/1K1RR3 w - - bm Nxd5; c0 "Nxd5=5"; id "Source?_Corbit, Dann_HardPositions 2022, 231";
r4r1k/6qp/3R1bb1/pNp2p2/PnB1pP2/4B2P/1P3Q1K/6R1 w - - bm Rxf6; c0 "Rxf6=5"; id "Source?_Corbit, Dann_HardPositions 2022, 232";
r3r2k/1pq2pp1/4b2p/3pP3/p1nB3P/P2B1RQ1/1PP3P1/3R3K w - - bm Rf6; c0 "Rf6=5"; id "Houdini 1.5 - Rybka 4, LTC match 2011_?_repl, 233";
8/6k1/2p2qp1/1p1n1p2/r2P4/p1P3P1/3Q1PK1/R6R w - - bm c4; c0 "c4=5"; id "Houdini - Rybka TCEC, 02.2011_?_repl, 234";
1k2rb1r/1pp3p1/p4pb1/1q6/1P1PN2p/2P2P1P/3Q2PB/R3R2K w - - bm c4; c0 "c4=5"; id "Source?_Corbit, Dann_HardPositions 2022, 235";
r1b1r1k1/bp3ppp/1qn1p3/3pP3/1P3B2/P2B1N2/3Q1PPP/2R2RK1 w - - bm Bxh7+; c0 "Bxh7+=5"; 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=20"; id "Source?_Corbit, Dann_HardPositions 2022, 237";
1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - bm Rxb3+; c0 "Rxb3+=5"; id "Source?_Corbit, Dann_HardPositions 2022, 238";
r1b4k/pp2qnr1/3p4/NP1Qp2p/P1B1PpP1/5P2/6P1/3R1RK1 b - - bm Qh4; c0 "Qh4=5"; 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=5"; id "Slumstrup Nielsen=S_(+3234.12, 1._?_repl, 241";
8/2pB2p1/p1np2Pb/1p1P1Rp1/2p2p1K/5k1P/2PP1P2/1b1R4 w - - bm Kh5; c0 "Kh5=5"; id "Gelly=M_(=0273.68h4f3)_Polish, 2._?_repl, 242";
4BQ2/Rn2b2q/8/2pK2n1/6pp/BR4p1/1N6/2k1rrN1 w - - bm Nd3+; c0 "Nd3+=5"; 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=20"; id "Gatti=D_(=1093.13b7d7)_Best P, 4._?_repl, 244";
3N1B2/p2p4/n4p2/pK2p3/3kp3/1P2RPp1/3PP2p/b7 w - - bm Rd3+; c0 "Rd3+=5"; 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=5"; id "Smyslov=V, You_(+0000.33b6a8)_?_repl, 248";
4N3/2pp4/5Bp1/2P5/1pPRP2p/b5pr/P3K1pk/3R3b w - - bm c6 Rg1; c0 "c6=20, Rg1=20"; 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=5"; id "Mitrofanov=L Belyavsky=A_(+03_?_repl, 251";
k4B2/1p3p2/1P2P2R/7K/N1npp1pN/7q/2p5/3b2Q1 w - - bm Nb2; c0 "Nb2=5"; id "Jasik=A_(+4145.26h5a8)_1.p Pr, 14._?_repl, 252";
8/pp6/8/K1P5/1pk4p/6p1/PP1RP3/8 w - - bm c6; c0 "c6=5"; 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=15"; id "Akerblom=A_(+0000.47e2e4)_Ceskoslovensky Sach#137, 1";
8/1p4P1/bP6/rp4kN/rp6/bP6/1pP5/1K6 w - - bm Ng3; c0 "Ng3=15"; id "Mandinyan=R_(+0661.44b1g5)_pure62, 2";

Especially the MEA- points are somewhat experimental, 4 levels from 5 (or lower eventually for second best moves) to 20 points according to the average hardware- time, that SF and Lc0 need at solving for correct reasons.
Only 27 runs stored in EloStatTS (Frank Schubert)- list so far, thus error bar will get even some lower with more runs compared to each other probably. The for the topicality most interesting runs (MultiPV=1 for SF18 and SF17.1 will follow, for most of the other ones best performing engines those are already done), with for this one list normal hardware- TC of 6 threads (16x4.3GHz CPU) and 5 concurrencies or Lc0 with the RTX5070 GPU (single instance) and 30"/pos.:

Code: Select all

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

 10 Lc0v0.32.1-6147500PT-MuPV4               : 3512    4   7257    51.8 %   3500   237/325    4.1s   11.1s   0.62

 13 Stockfish18-6t-MuPV4                     : 3507    3   7032    51.1 %   3500   232/325    4.2s   11.6s   0.64
 14 Stockfish-260101-6t-MuPV4                : 3506    3   7051    50.9 %   3500   234/325    4.8s   11.8s   0.61
 
 16 PlentyChess7.0.37-6t-MuPV4               : 3501    4   7167    50.1 %   3500   228/325    4.6s   12.1s   0.57
 17 Lc0v0.32.1-6147500PT-MuPV1               : 3501    4   7126    50.0 %   3500   224/325    3.8s   11.9s   0.58
 18 Stockfish17.1-6t-MuPV4                   : 3492    3   6959    48.9 %   3500   227/325    5.2s   12.7s   0.55
 
 21 Reckless0.9.0.3-6t-MuPV1                 : 3481    4   7004    47.1 %   3501   213/325    4.8s   13.5s   0.49
 
 25 Stockfish-260101-6t-MuPV1                : 3466    4   6850    44.9 %   3502   201/325    5.4s   14.8s   0.49
 26 PlentyChess7.0.37-6t-MuPV1               : 3445    4   6757    41.7 %   3503   174/325    5.0s   16.6s   0.45
 
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

acase · Post by **acase** » Sat Jan 31, 2026 11:11 pm

And now, for the ultimate Stockfish 18 test, a mate in 4:
[pgn][Event "1st Friendship Match, Mate in 4"]
[Site "Columbus, Ohio"]
[Date " 15 Jun 1963"]
[Round "?"]
[White "Walter William Jacobs"]
[Black "?"]
[Result "1-0"]
[Time "16:56:23"]
[TimeControl "0"]
[SetUp "1"]
[FEN "1K2N2B/p1pR1P1p/1pP1k3/3p2nB/1r3qP1/1N1r4/4p3/4b3 w - - 0 1"]
[Termination "normal"]
[PlyCount "7"]
[WhiteType "human"]
[BlackType "human"]
[Comment "https://www.yacpdb.org/#63982"]

1. Nd2 Rxd2 2. Ka8 d4 3. Nxc7+ Qxc7 4. f8=N# 1-0
[/pgn]
I'm just joking of course, as Stockfish is indeed the strongest playing engine and that's exactly what it is designed for

https://www.yacpdb.org/#63982

PaulieD · Post by **PaulieD** » Sun Feb 01, 2026 10:57 am

Score of SF 17 vs SF 18 013126: 745 - 1343 - 1912 [0.425]
... SF 17 playing White: 733 - 41 - 1226 [0.673] 2000
... SF 17 playing Black: 12 - 1302 - 686 [0.177] 2000
... White vs Black: 2035 - 53 - 1912 [0.748] 4000
Elo difference: -52.3 +/- 7.8, LOS: 0.0 %, DrawRatio: 47.8 %

Stockfish 18 is 52 Elo stronger than Stockfish 17

SF18 finally coming

Re: SF18 finally coming

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Re: SF 18 released!

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Re: SF18 finally coming