Incredible Attack by Stockfish 16 in the Evans Gambit of the Italian Opening!
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.
[Event “Import”]
[Site “https://lichess.org/VvD3xGsC“]
[Date “2024.08.12”]
[White “Stockfish”]
[Black “Minic 3.41 64-bit 4CPU”]
[Result “*”]
[WhiteElo “3640”]
[BlackElo “3525”]
[Variant “Standard”]
[TimeControl “-“]
[ECO “C52”]
[Opening “Italian Game: Evans Gambit, Dufresne Defense”]
[Termination “Unterminated”]
[Annotator “lichess.org”]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d3 { C52 Italian Game: Evans Gambit, Dufresne Defense } 8. Qb3 Qf6 9. e5 Qf5 10. Rd1 Nge7 11. Bxd3 Qe6 12. Ba3 h6 13. Bc4 Qg6 14. Bd3 Qe6 15. Re1 Qxb3 16. axb3 a6 17. Be4 Bb6 18. Nbd2 Ba7 19. Nc4 Kd8 20. Rad1 Rb8 21. h4 Rf8 22. Rd2 Rg8 23. h5 g6 24. Bxe7+ Nxe7 25. Nd6 cxd6 26. exd6 Nf5 27. Bxf5 gxf5 28. Ne5 Ke8 29. Nc6+ Kf8 30. Nxa7 b5 31. Re7 Bb7 32. Rxd7 Bxg2 33. Rc7 Bf3+ 34. Kh2 Rg2+ 35. Kh3 Rg5 36. Rd3 Bg2+ 37. Kh2 Be4 38. Rd4 Rd8 39. Nc6 Rg2+ 40. Kh3 Bxc6 41. Rxc6 Rxf2 42. c4 Rf3+ 43. Kg2 Rxb3 44. c5 Rc3 45. Rc7 a5 46. c6 a4 47. d7 a3 48. Rc8 Ke7 49. Rd5 Rc2+ 50. Kf3 Rc3+ 51. Kf4 a2 52. Re5+ Kf6 53. Re1 Rc4+ 54. Kf3 Rc3+ 55. Ke2 Rc2+ 56. Kd3 a1=Q 57. Rxa1 Ke7 *
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