Leela Chess Zero – Stockfish
Top Chess Engine Championship Season 19 — FRC2 Final; match game 44; tcec-chess.com, November 25, 2020
rknqbrnb/pppppppp/8/8/8/8/PPPPPPPP/RKNQBRNB w FAfa - 0 1
Position #827
1. a4. Human theory contemplates 1. d4 d5 2. Nd3 Nf6 3. e3 Nd6 4. g4 h6 5. h3 Bb5 6. Ne2 e6 7. a4 Bxd3 8. Qxd3 Qd7 9. f3 Re8 10. e4 (“Actually with Kasimdzhanov it all happened straight out of the opening when I played 10. e4. He almost could not avoid the loss of a piece and that was quite unexpected”, Anand said afterwards) 10. ... fxe4 11. fxe4 e5 12. Bg3 Nc8 13. dxe5 Qxd3 14. cxd3 Nh7 15. Rxf7 Ng5 16. Rf1 Nxh3 17. d4 Nb6 18. Rc1 a5 19. e6 Rxe6 20. Rxc7 Ka7 21. e5 1 : 0 Anand – Kasimdzhanov, 7th unofficial Chess960 World Championship, Mainz 2007. 1. ... d5 2. a5 e5 3. a6 b6 4. g4 Nge7 5. f4 e4 6. d3 Bc6 7. Na2 Nd6 8. Bh4 Re8 9. Nb4 Qd7 10. c4? After this, White’s position will swiftly fall apart. Perhaps 10. f5 ought to have been preferred.
10. ... g5! 11. Bxg5 dxc4 12. dxc4 f6
13. Bh4 Nxc4 14. Qxd7 Bxd7 15. Rc1 Bb5 16. f5 0-0-0 17. Ka2 Rd2 18. Rab1 Rd4! 19. Nc2 Rd7 20. Bxe4 Nd5 21. Bd3 Nf4 22. Nf3 Nxd3 23. exd3 Rxd3 24. Nfd4 Bxa6 25. Ne6 Rd7 26. Ra1 Ne5 27. Ne3 c5 28. b4 Rd2+ 29. Kb3 c4+ 30. Ka4 b5+! 31. Ka5
31. ... Rxe6! 32. fxe6 Kb7! Threat: ... Ne5-c6#. 33. Rxc4 Nxc4+ 34. Nxc4
34. ... f5!! An astonishing, problem-like refutation. After 34. ... bxc4? 35. b5 White would probably have saved the game. 35. e7. If 35. Nxd2 then 35. ... Bd4!! 36. Bd8 Bb6+ 37. Bxb6 axb6#. 35. ... Bxa1 36. Nd6+. Not 36. e8=Q on account of 36. ... Ra2+ followed by mate. 36. ... Kc7 37. Kxa6 Rxd6+ 38. Kxb5 Kd7 39. gxf5 a6+ 40. Ka5 Bf6 41. Bxf6 Rxf6 42. Ka4 Rxf5 43. Kb3 Kxe7 44. h4 Kd6 45. Kc4 Rd5 46. b5 axb5+ 0 : 1.
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