Amazing King’s indian attack by Stockfish 16.
Stockfish continues to demonstrate its ability to discover superior moves with remarkable speed. In self-play against Stockfish 15, this new release gains up to 50 Elo and wins up to 12 times more game pairs than it loses. In major chess engine tournaments, Stockfish reliably tops the rankings winning the TCEC season 24 Superfinal, Swiss, Fischer Random, and Double Random Chess tournaments and the CCC 19 Bullet, 20 Blitz, and 20 Rapid competitions. Leela Chess Zero was the challenger in most finals, putting top-engine chess now firmly in the hands of teams embracing free and open-source software.This updated version of Stockfish introduces several enhancements, including an upgraded neural net architecture (SFNNv6), improved implementation, and refined parameterization. The ongoing utilization of Leela’s data combined with a novel inference approach exploiting sparsity, and network compression ensure a speedy evaluation and modest binary sizes while allowing for more weights and higher accuracy. The search has undergone more optimization, leading to improved performance, particularly in longer analyses. Additionally, the Fishtest framework has been improved and is now able to run the tests needed to validate new ideas with 10000s of CPU cores.Stockfish now comes with documentation, found in the wiki folder when downloading it or on GitHub. Additionally, Stockfish now includes a clear and consistent forced tablebase win score, displaying a value of 200 minus the number of plies required to reach a tablebase win. Furthermore, the UCI_Elo option, to reduce its strength, has been calibrated. It is worth noting that the evaluation system remains consistent with Stockfish 15.1, maintaining the choice that 100cp means a 50% chance of winning the game against an equal opponent. Finally, binaries of our latest development version are now provided continuously as pre-releases on GitHub making it easier for enthusiasts to download the latest and strongest version of the program, we thank Roman Korba for having provided a similar service for a long time.
PGN:
[Event “CCRL 40/15”]
[Site “CCRL”]
[Date “2023.07.20”]
[Round “887.4.724”]
[White “Stockfish 16 64-bit”]
[Black “Clover 5.0 64-bit”]
[Result “*”]
[WhiteElo “3514”]
[BlackElo “3408”]
[Variant “Standard”]
[TimeControl “-“]
[ECO “A07”]
[Opening “King’s Indian Attack”]
[Termination “Unterminated”]
[Annotator “lichess.org”]
1. Nf3 d5 2. g3 { A07 King’s Indian Attack } c6 3. Bg2 Nf6 4. d4 g6 5. O-O Bg7 6. Nbd2 Na6 7. b3 O-O 8. Bb2 Bf5 9. Rc1 Rc8 10. c4 Re8 11. Ne5 Nd7 12. f4 Nxe5 13. dxe5 Qb6+ 14. Rf2 e6 15. h3 Red8 16. Qe1 h5 17. c5 Qc7 18. Bf1 Bf8 19. g4 hxg4 20. hxg4 Bxg4 21. Rh2 Bxc5+ 22. Kh1 Bh5 23. f5 Kf8 24. Qg3 exf5 25. Rxh5 gxh5 26. Bh3 Qa5 27. Qg5 Ke8 28. Bxf5 Nc7 29. Rf1 Qb4 30. Qxh5 Ke7 31. Qg5+ Ke8 32. Qh5 *
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