Amazing attack by Stockfish 16 against the Dragon Sicilian
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 OF THE GAME:
[Event “CCRL Blitz”]
[Site “CCRL”]
[Date “2023.07.12”]
[Round “187.6.632”]
[White “Stockfish 16 64-bit 8CPU”]
[Black “Lc0 0.29.0 64-bit w753723 RTX2080”]
[Result “*”]
[WhiteElo “3756”]
[BlackElo “3679”]
[Variant “Standard”]
[TimeControl “-“]
[ECO “B78”]
[Opening “Sicilian Defense: Dragon Variation, Yugoslav Attack”]
[Termination “Unterminated”]
[Annotator “lichess.org”]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O { B78 Sicilian Defense: Dragon Variation, Yugoslav Attack } Ne5 11. Bb3 Rc8 12. Kb1 a6 13. h4 h5 14. g4 hxg4 15. h5 Nxh5 16. Rdg1 Rc5 17. f4 Nc4 18. Bxc4 Rxc4 19. f5 Nf6 20. Bh6 Bh8 21. Qg5 Rc5 22. Nce2 Ba4 23. Qh4 Re8 24. Bf8 Nh5 25. fxg6 Kxf8 26. Qxg4 Qd7 27. g7+ Kg8 28. gxh8=Q+ Kxh8 *
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