Impossible to EVALUATE! - Stockfish 15 vs Leela C Zero - Queen's Indian Defense
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HERE IS THE LINK WHERE YOU CAN DOWNLOAD THE NEW STOCKFISH 15:
https://stockfishchess.org
DOWNLOAD SOME COOL STOCKFISH 15 GAMES IN PGN FORMAT HERE:
http://ccrl.chessdom.com/ccrl/4040/games.html#by_engine
A new major release of Stockfish is now available at https://stockfishchess.org
Stockfish 15 continues to push the boundaries of chess, providing unrivalled analysis and playing strength. In our testing, Stockfish 15 is ahead of Stockfish 14 by 36 Elo points and wins nine times more game pairs than it loses.
Improvements to the engine have made it possible for Stockfish to end up victorious in tournaments at all sorts of time controls ranging from bullet to classical and even at Fischer random chess. At CCC, Stockfish won all of the latest tournaments: CCC 16 Bullet, Blitz and Rapid, CCC 960 championship, and the CCC 17 Rapid. At TCEC, Stockfish won the Season 21, Cup 9, FRC 4 and in the current Season 22 superfinal, at the time of writing, has won 16 game pairs and not yet lost a single one.
This progress is the result of a dedicated team of developers that comes up with new ideas and improvements. For Stockfish 15, we tested nearly 13000 different changes and retained the best 200. These include the fourth generation of our NNUE network architecture, as well as various search improvements. To perform these tests, contributors provide CPU time for testing, and in the last year, they have collectively played roughly a billion chess games. In the last few years, our distributed testing framework, Fishtest, has been operated superbly and has been developed and improved extensively. This work by Pasquale Pigazzini, Tom Vijlbrief, Michel Van den Bergh, and various other developers is an essential part of the success of the Stockfish project.
Indeed, the Stockfish project builds on a thriving community of enthusiasts to offer a free and open-source chess engine that is robust, widely available, and very strong. We invite our chess fans to join the Fishtest testing framework and programmers to contribute to the project.
PGN:
[Event "TCEC Season 23 - Division P"]
[Site "https://tcec-chess.com"]
[Date "2022.10.01"]
[Round "6.4"]
[White "Stockfish dev16_202209170930"]
[Black "LCZero 0.30-dag-bord-lf_784968"]
[Result "1-0"]
[WhiteElo "3611"]
[BlackElo "3589"]
[Variant "Standard"]
[TimeControl "3600+6"]
[ECO "E15"]
[Opening "Queen's Indian Defense: Fianchetto Traditional"]
[Termination "Unknown"]
[Annotator "lichess.org"]
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 { E15 Queen's Indian Defense: Fianchetto Traditional } 5. Bg2 g6?! { (0.31 → 0.86) Inaccuracy. Bb4+ was best. } (5... Bb4+ 6. Bd2 Be7 7. O-O c6 8. Nc3 O-O 9. Qb3 d5 10. Bf4) 6. Nc3 Bg7 7. d5 exd5 8. cxd5 O-O 9. O-O Re8 10. Nd4 a6 11. b4 c5 12. bxc5 bxc5 13. Nc2 d6 14. Rb1 Bc8 15. Bf4 Nh5 16. Bd2 Nd7 17. Ne3 Ne5 18. Na4 Bd7 19. Nb6 Rb8 20. Nxd7 Rxb1 21. Qxb1 Qxd7 22. Bc3 Qa4 23. Qb6 Qxa2 24. Qxd6 Qxe2 25. Qc7 Ng4 26. d6 Bxc3 27. d7 Rf8 28. d8=R Rxd8 29. Qxd8+ Kg7 30. Qe7 Nxe3 31. fxe3 Qc4 32. g4 Nf6 33. Rf4 Qe6 34. Qxe6 fxe6 35. g5 Ne8 36. Rc4 Bb4 37. Re4 Nc7 38. Bf1 a5 39. Bc4 Kf7 40. Bb3 Nd5 41. Kf2 Bd2 42. Kf3 Bc1 43. Re5 Bb2 44. Re4 Bc1 45. Rh4 Kg7 46. Ra4 Nxe3 47. Ra1 Bd2 48. Ra2 Bc1 49. Bxe6 h6 50. Rxa5 c4 51. Ra7+ Kh8 52. gxh6 c3 53. Ra8+ Kh7 54. Ra6 Nc2 55. Bf7 Nd4+ 56. Kg4 Be3 57. Bxg6+ Kxh6 58. Bb1+ Kg7 59. Ra2 Bd2 60. h3 Kf6 61. h4 Ke5 62. Kh5 Be1 63. Kg5 Nf3+ 64. Kg4 Nd4 65. Ra5+ Ke6 66. Be4 Bd2 67. Rc5 Nb3 68. Rc8 Nd4 69. Kh5 Kf6 70. Bb1 Be1 71. Kg4 Bd2 72. Rd8 Ke5 73. Kh5 Nc6 74. Ra8 Ne7 75. Ra4 Kd5 76. Re4 Nc6 77. Kg6 Nd4 78. h5 Ne6 79. Kf6 Nd4 80. Re5+ Kc4 81. Rg5 Nf3 82. Rg4+ Kb3 83. Kf5 Bc1 84. Rg3 Nd4+ 85. Ke4 Nc6 86. Rg1 Bd2 87. Bd3 Nb4?! { (2.52 → 3.36) Inaccuracy. Nd8 was best. } (87... Nd8 88. Rb1+ Ka2 89. Rb6 Nf7 90. Kd4 Nh6 91. Bc2 Ng4 92. Ke4 Ka3 93. Kd3 Ne5+ 94. Ke2) 88. Rb1+ Ka3 89. Kd4 Nc6+ 90. Kd5 Nb4+ 91. Kc4 Nc6 92. Rb5 Ka4 93. Bc2+ Ka3 94. h6?? { (4.16 → 0.66) Blunder. Be4 was best. } (94. Be4) 94... Nd8?? { (0.66 → Mate in 9) Checkmate is now unavoidable. Bxh6 was best. } (94... Bxh6 95. Rb3+ Ka2 96. Bb1+ Ka1 97. Rb6 Bg7 98. Bg6 Nd4 99. Kxc3 Nf3+ 100. Kc4 Nd4 101. Bf7) 95. h7 Nf7 96. Rb3+ Ka2 97. Bb1+ Ka1 98. Kd3 Nd6 99. h8=Q Nc8 100. Qxc8 c2 101. Qa6+ Ba5 102. Qxa5# { White wins. } 1-0