Sunday, March 29, 2020

Darwin Machines

Stockfish – Fire
Top Chess Engine Championship Season 17 — Division P; tcec-chess.com, March 22, 2020
Sicilian Defence B30

1. Nf3 Nf6 2. Nc3 c5 3. e4 Nc6 4. Bb5 g6 5. e5 Ng4 6. Bxc6 dxc6 7. h3 Nh6 8. d3 Bg7 9. Ne4 b6 10. a4!?TN a5 11. Ng3 Be6 12. Qe2 Bd5 13. 0-0 Bxf3. A very artificial pointe. 14. Qxf3 Qd5 15. Qe2! 0-0 16. Bf4 e6 17. Ne4 Nf5 18. g4 Nd4 19. Qd1 c4 (19. ... Bxe5?? 20. c4+−) 20. Re1 b5 21. Bg5 cxd3 22. Qxd3 Qc4 23. Qd1 bxa4. Not 23. ... Bxe5 on account of 24. Nd2 Qd5 25. c3 winning material. 24. Be7 Rfb8. Not an easy choice — or else, after 24. ... Rfe8 25. Bf6! White is going to dominate the dark squares.


25. Ra3! c5 26. Rc3 Qb5 27. Bxc5 Nc6 28. Nf6+ Kh8 29. Qf3 Rc8 30. h4! h6. If 30. ... Qxb2 then 31. h5! with the devastating threat of h5-h6. 31. g5! h5


32. Nxh5! Nxe5. 32. ... gxh5 33. Qxf7 gives White a winning attack. 33. Rxe5 Bxe5 34. Qe3! Bg7. Or 34. ... gxh5 35. Qxe5+ Kg8 36. g6! winning by force. 35. Nxg7 Kxg7 36. Qe5+ Kg8 37. h5 Rxc5 (37. ... gxh5 38. g6!+−) 38. Rxc5 Qb4 39. c4 a3 40. hxg6! Stockfish’s demonstration is as simple as powerful. 40. ... axb2 41. gxf7+ Kf8 42. Qh8+ Ke7 43. Rc7+ Kd6 44. Qxa8 Kxc7 45. f8=Q Qxf8 46. Qxf8 b1=Q+ 47. Kg2 Qe4+ 48. Qf3 Qg6 1 : 0.

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