Leela vs Stockfish Queen Sacrifice
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LeelaZero Destroyed Stockfish 16 by Sacrificing Her Queen

Length 7:09Published 7 December 2023On our Stockfish channel on YouTubeWatch on YouTube

What this video shows

This is a real engine game: Lc0 (Leela Chess Zero) against Stockfish in the semifinals of the CCC21 Bullet event on 28 November 2023, one minute plus one second per move.

In a Sicilian Grand Prix Attack, Leela plays 16.exf6 and lets Stockfish take its queen with 16...Bxf3. In return Leela collects a knight, a bishop and a rook, the last one with a pawn that promotes on f8. The game then runs all the way to move 77.

All moves are below. You can also play Leela Chess Zero online - the real Lc0 engine runs in your browser - or read the Leela Chess Zero profile and neural network chess engines.

All moves of the game

Lc0 vs Stockfish, CCC21 Bullet 2023 (77 moves)
1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nf6 6. b3 e6 7. Ne5 Be7 8. Bb2 Bd7 9. Qf3 Nc6 10. O-O-O O-O 11. Bd3 Nb4 12. Be2 Qc7 13. Rhf1 Nc6 14. g4 Nxe5 15. fxe5 Bc6 16. exf6 Bxf3 17. fxe7 Bxe2 18. exf8=Q+ Rxf8 19. Nxe2 Qxh2 20. Nc3 f6 21. Rde1 Qd6 22. Ne4 Qc7 23. d3 h6 24. Kb1 Qc6 25. Re2 e5 26. Ref2 Re8 27. Ba3 c4 28. bxc4 Re6 29. Bb2 b5 30. cxb5 Qxb5 31. c4 Qe8 32. c5 Qg6 33. Rg2 Ra6 34. Rfg1 Qf7 35. a3 Rc6 36. Ka1 Qg6 37. Rc2 Qf7 38. Rd1 Qb3 39. Rdd2 Qd5 40. d4 Qxe4 41. d5 Rc8 42. c6 Qe1+ 43. Bc1 Qe4 44. Bb2 Qe1+ 45. Bc1 Qe4 46. Ka2 Kh7 47. d6 Rxc6 48. Rxc6 Qxc6 49. d7 Qxc1 50. d8=Q Qc4+ 51. Kb2 Qxg4 52. Qd7 Qg5 53. Rf2 e4 54. Qf5+ Kg8 55. Qe6+ Kh8 56. Qe8+ Kh7 57. Qxe4+ Kh8 58. a4 Kg8 59. Rg2 Qc5 60. Qe8+ Qf8 61. Qxf8+ Kxf8 62. Rc2 g5 63. Rc7 a6 64. Ra7 a5 65. Rxa5 Ke7 66. Rc5 Kd6 67. Rc1 g4 68. a5 f5 69. a6 g3 70. a7 Ke5 71. a8=Q Kf4 72. Qb8+ Kg4 73. Rf1 g2 74. Qg8+ Kh3 75. Rg1 Kh4 76. Rxg2 h5 77. Qg3# 1-0
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