Sunday, 19 June 2011

Further testing of replay system

Board generated from www.chesstempo.com



Start positionPrevious MoveNext MoveEnd positionPlay movesStop playing
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O Bg4!? Spassky chooses a sharp opening. 8. d5 Nbd7 9. Bg5 a6 10. a4 Qc7 11. Qd2 Rae8 12. h3 Bxf3 13. Bxf3 e6!? 14. b3 Kh8 15. Be3 Ng8 16. Be2 e5!? 17. g4 Qd8 18. Kg2 Qh4!? Black takes the initiative on the kingside. 19. f3 ( The tactical justification is 19. Bg5 Bh6 ) 19...  Bh6? Tal, Keres and Botvinnik condemn this provocative move ( and prefer 19... f5 ) 20. g5 Bg7 21. Bf2 Qf4 22. Be3 Qh4 23. Qe1! Qxe1 24. Rfxe1 h6 25. h4 hxg5? ( A defence line against an attack on the queenside creates 25... Ra8 26. Reb1 Rfb8 27. b4 Bf8 28. bxc5 Nxc5 ) 26. hxg5 Ne7 27. a5 f6 28. Reb1 fxg5 29. b4! Nf5!? 30. Bxg5! ( Keres analyses 30. exf5 e4 31. Bd2 exf3+ 32. Bxf3 gxf5 Black has counter-play. ) 30...  Nd4 31. bxc5 Nxc5 32. Rb6 Bf6 33. Rh1+! Kg7 34. Bh6+ Kg8 35. Bxf8 Rxf8 36. Rxd6 Kg7 37. Bd1 Be7 ( Tal mentions 37... Bd8 38. Na4 Bc7 39. Nxc5 Bxd6 40. Nxb7 and 41.c5. White wins. ) 38. Rb6 Bd8 39. Rb1 Rf7 40. Na4 Nd3 41. Nb6 g5 42. Nc8 Nc5 43. Nd6 Rd7 44. Nf5+ Nxf5 45. exf5 e4 46. fxe4 Nxe4 47. Ba4 Re7 48. Rbe1 Nc5 49. Rxe7+ Bxe7 50. Bc2 Bd8 51. Ra1 Kf6 52. d6 Nd7 53. Rb1 Ke5 54. Rd1 Kf4 55. Re1 1-0

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