D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5

1. d4 d5 2. c4 2. Bf4 Nf6= 2... c6 2... e6 3. Nc3= 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 5. cxd5 cxd5 6. Qb3 Qb6= 5... e6= 6. Nh4 Bg6 7. Nxg6 hxg6 White has the pair of bishops 8. Rb1 8. cxd5 exd5 9. Bd2 Nbd7= 8... Nbd7 9. c5 White gets more space 9... a5 9... Qc7 10. h3=/+ 10. a3 e5 Nimzovich: attack the chain at its base 11. b4 axb4 12. axb4 Qc7 13. f4 exf4 14. exf4 Be7 15. Be2 Nf8 16. O-O Ne6 17. g3 17. b5 Kf8= 17... Qd7 17... b5 18. Bd3=/+ 18. Qd3 Ne4 18... Kf8!?=/+ must be considered 19. Nxe4+/= dxe4 20. Qxe4 Qxd4+ 21. Qxd4 Nxd4 22. Bc4 O-O 23. Kg2 Ra4 24. Rd1 Rd8 25. Be3 Bf6 26. g4 Kf8 26... Ra3 27. Bxd4 Bxd4 28. h4+/= 27. Bf2 Ne6 28. Rxd8+ Bxd8 29. f5 29. Kf3!?+/- 29... gxf5= 30. gxf5 Nf4+ 31. Kf3 Nh5 32. Rb3 Bc7 33. h4 Nf6 34. Bd3 Nd7 35. Be4 Ne5+ 36. Kg2 Ra2 37. Bb1 White threatens to win material: Bb1xa2 37... Rd2 38. Kf1 Ng4 Black threatens to win material: Ng4xf2 39. Bg1 Bh2 40. Ke1 White threatens to win material: Ke1xd2 40... Rd5 40... Rg2 41. Bd4=/+ 41. Bf2 41. Bxh2 Nxh2 42. Rd3 Re5+ 43. Kf2 Rxf5+ 44. Kg2 Rf4 45. Kxh2 Rxb4= 41... Ke7 42. h5 Nxf2 43. Kxf2 Opposite coloured bishops appeared 43... Kf6 Exerts pressure on the isolated pawn 44. Kf3 Rd4 45. b5 Rc4 46. bxc6 bxc6 47. Rb6 White pins: Rb6xc6 47... Rxc5 48. Be4 White threatens to win material: Be4xc6 48... Kg5 Black threatens to win material: Kg5xh5 49. Rxc6 Ra5 50. Rb6 Ra3+ 51. Kg2 White threatens to win material: Kg2xh2 51... Bc7 Black threatens to win material: Bc7xb6 52. Rb7 Rc3 53. Kf2 53. Bd5 f6= 53... Kxh5=/+ 54. Bd5 White threatens to win material: Bd5xf7 54... f6 Black has a new backward pawn: g7 54... Kg4 55. Bxf7 Kxf5 56. Rb3 Rc2+ 57. Kf3=/+ 55. Ke2 Kg4 56. Be4 Kf4 Black threatens to win material: Kf4xe4 57. Bd3 Rc5 58. Rb4+ Kg3 59. Rc4 White threatens to win material: Rc4xc5 59... Re5+ 60. Re4 Ra5 61. Re3+ Kg2 62. Be4+ Kh2 63. Rb3 Ra2+ 64. Kd3 Bf4 65. Kc4 Re2 66. Kd5 1/2-1/2 [Fritz 9 (5s)]