D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4

1. Nf3 d5 2. d4 Nf6 3. h3 Covers g4 3. Bf4 Bf5= 3... g6 3... e6 4. e3= 4. Bf4 Bg7 5. e3 O-O 6. Be2 Nbd7 Black's piece can't move: c8 6... c5 7. O-O= 7. O-O+/= e6 7... c5 8. c3+/= 8. Nbd2 Re8 9. Rc1 b6 10. b3 Bb7 11. c4 c5 12. cxd5 Nxd5 13. Bh2 Qe7 13... cxd4 14. Nxd4 Nc5 15. Bb5= 14. Nc4+/= Red8 15. Nd6 White threatens to win material: Nd6xb7 15. e4 N5f6 16. Bd6 Qe8+/= 15... Nf8 15... N7f6 16. dxc5 bxc5 17. Nxb7 Qxb7 18. Qc2+/= 16. Nxb7 Qxb7 17. a3 Prevents intrusion on b4 17... Rac8 18. Rc4 18. Qd2 Nd7+/= 18... cxd4= 19. Nxd4? >= 19. exd4 and White could well hope to play on 19... Rxc4 20. Bxc4= 19... e5-+ 20. Rxc8 20. Qc1 exd4 21. exd4 Ne6-+ 20... Qxc8 Less advisable is 20... Rxc8 21. Nb5 Nc3 22. Nxc3 Rxc3 23. Bc4+/= 21. Nb5 Nxe3! Theme: Double Attack 22. Qc1?? causes further problems for ? 22. fxe3 Rxd1 Eliminates the defender d1 22... Nxf1-+ 23. Qxc8 Rxc8 24. Bxf1 a6 25. Nd6 Rc1 26. Nc4 Nd7 27. b4 27. a4 a fruitless try to alter the course of the game 27... b5 28. axb5 axb5-+ 27... e4 27... b5 keeps an even firmer grip 28. Na5-+ 28. g4 28. Bf4 is not much help 28... Ra1-+ 28... Bd4 28... b5!? seems even better 29. Nd6 Bb2 30. Nxe4 Bxa3 31. Bd6-+ 29. Bf4 Ra1 30. Kg2 30. Nd2 cannot undo what has already been done 30... Re1-+ 30... b5 31. Nd2 Rxa3 32. Nxe4 Ra2 32... Nf6 and Black can already relax 33. Be3-+ 33. Kf3 33. g5 doesn't change the outcome of the game 33... f5! forces the win 34. gxf6 Nxf6-+ 33... f5 34. gxf5 gxf5 35. Nd2 Bc3 35... >= Be5 makes it even easier for Black 36. Bxe5 Nxe5+ 37. Ke3 Nc6-+ 36. Bd3 36. Nc4-+ a last effort to resist the inevitable 36... Bxd2 37. Bxf5 Bxf4 37... >= Ra3+ nails it down 38. Be3 Ne5+ 39. Ke4 Bxe3 40. fxe3-+ 38. Be6+ 38. Bxd7 is not the saving move 38... Ra4 39. Kxf4 Rxb4+ 40. Ke3 a5-+ 38... Kg7 39. Bxa2 Bd6 40. Be6 40. Bb1 doesn't change anything anymore 40... Bxb4 41. Ke4 Nf6+ 42. Ke5 Bc5-+ 40... Ne5+ 40... >= Nb6 secures victory 41. Bf5-+ 41. Ke4 Ng6 41... >= Nf7!? might be the shorter path 42. Bc8 Bxb4 43. Bxa6-+ 42. Bc8 Bxb4 43. Bxa6 Bc5 44. f3 44. Bxb5 Bxf2 45. Kf5-+ 44... b4 45. Bc4 Kf6 46. Bb3 Bd6 47. Bg8 47. Kd5 doesn't get the bull off the ice 47... Bf8 48. Ke4 h5-+ 47... h6 48. Bb3 48. Bh7 doesn't get the cat off the tree 48... b3 49. Kd3 Bb4-+ 48... Nf4 49. h4 Ng6 50. Kd5 Bg3 51. h5 Nf4+ 52. Kc4 Be1 53. Bd1 53. Ba4 cannot change destiny 53... Kg5-+ 53... Nxh5 54. Kb3 54. Ba4 does not solve anything 54... Nf4-+ 54... Kf5 54... >= Nf4!? might be the shorter path 55. Kc4-+ 55. Bc2+ Kf4 56. Be4 Ng3 57. Bd5 57. Bg6 cannot undo what has already been done 57... Nf5-+ 57... Ne2 57... >= h5 and Black has triumphed 58. Kc2 h4 59. Be6-+ 58. Kc4 58. Bf7 a fruitless try to alter the course of the game 58... Nd4+ 59. Kc4 Nxf3-+ 58... Ng1 58... Nc1 and Black can already relax 59. Kb5 b3 60. Bf7-+ 59. Be6 59. Bf7 doesn't improve anything 59... Nxf3 60. Be8 Ke3-+ 59... Nxf3 60. Kd3 60. Bd5 does not solve anything 60... h5 61. Kd3 h4-+ 60... Bc3 60... >= h5 and the rest is a matter of technique 61. Bd5 h4 62. Ke2-+ 61. Bd5 Ne5+ 62. Kc2 h5 63. Bh1 63. Be6-+ is the last straw 63... h4 63... Nf3 64. Kb3 h4 65. Bg2 Nd4+ 66. Ka2 b3+ 67. Ka3 Ke5 68. Bh1 Ba1 69. Bb7 b2 70. Ka2 Nb5 71. Bg2 Nc3+ 72. Ka3 b1=Q 73. Bd5 Qb2# 64. Bg2 Kg3 65. Bf1 Ng4 66. Kb3 Ne3 67. Bb5 h3 68. Bc6 Ng2 68... Ng2 69. Ka4 h2-+ 0-1 [Fritz 9 (5s)]