D00: 1 d4 d5: Unusual lines

1. d4 d5 2. e3 c6 Covers b5 3. Bd3 Nf6 4. Nd2 Bg4 5. Ngf3 e6 Controls f5 6. O-O Bb4 7. c3 White threatens to win material: c3xb4 7... Bd6 8. Qc2 Bxf3 8... Qc7 9. c4= 9. Nxf3+/= g6 Prevents intrusion on f5 9... O-O 10. Bd2+/= 10. Ne5 10. e4 dxe4 11. Bxe4 Nxe4 12. Qxe4 Nd7+/- 10... Nbd7 11. f4 Qe7 12. Qe2 12. Bd2+/= 12... Bxe5? 12... >= Ne4!?= would keep Black in the game 13. fxe5+/- 13. dxe5?! Ne4+/= 13... Ne4 14. Bxe4 dxe4 15. Qg4 15. b3 O-O+/- 15... f5+/= 16. exf6 Nxf6 17. Qg5 O-O 18. Bd2 Kg7 18... Rad8 19. c4+/- 19. Be1 h6 20. Qe5 g5 20... Kh7 21. Bg3+/- 21. Bg3 21. c4 Rac8+- 21... Rad8+/- 22. Qc7 White pins: Qc7xe7 22. c4 b6+/- 22... Rd7 22... Nd5!? has some apparent merit 23. Qxe7+ Nxe7+/= 23. Qa5+/- a6 24. Be5 Rd5 25. Qa4 c5? 25... >= Kg8 26. c4 Rxe5 27. dxe5 Ng4 28. Rxf8+ Qxf8+- 26. Qc2+- Kg8 27. Rxf6 27. Bxf6!? Rxf6 28. Qxe4 cxd4 29. Rxf6 Qxf6+- 27... Rxf6 28. Bxf6 Qxf6 29. Qxe4 cxd4 29... >= Qf5!? 30. Qxf5 exf5+/- 30. exd4+- Qf5 31. Qxf5 31. Qe2!? Qf7+- 31... Rxf5 31... exf5 32. Re1 Kf7 33. Kf2+- 32. Re1 Rf6 33. h3 b5 33... Kf7 34. Rf1+- 34. Re5 Kf8 35. g4 35. Rc5 and White can already relax 35... Kf7+- 35... Rf3 35... Kf7 36. Kg2 Ke7 37. a4+- 36. Kg2 36. Rxe6!? seems even better 36... Rxh3 37. Kg2 Rh4+- 36... Rd3 37. Rxe6 Rd2+ 38. Kf3 Rxb2?! offers little resistance 38... a5 39. Rf6+ Kg7+- 39. Rxa6 b4 39... Kf7 hardly improves anything 40. Ke4+- 40. cxb4 Rxb4 41. Rxh6 >= 41. Ke4 makes it even easier for White 41... Kg7+- 41... Rxd4 42. Rg6 Rd3+ 43. Kg2 43. Ke4!? keeps an even firmer grip 43... Ra3 44. Kf5 Ra5+ 45. Kf6 Ra3+- 43... Rd2+ 43... >= Rd5+- 44. Kf3?? spoils everything 44. Kf1 might be the shorter path 44... Rxa2 45. Rxg5 Rh2 46. Rf5+ Kg7+- 44... Rd3+ 45. Kf2 >= 45. Ke4 and White has reached his goal 45... Rxh3 46. Ra6+- 45... Rxh3+/= 46. Rxg5 White has a new passed pawn: g4. 46. Ra6!?+/= 46... Rh2+= Black skewers: a2 47. Kg3 Rxa2 48. Kf4 Rf2+ 49. Kg3 White threatens to win material: Kg3xf2 49... Ra2 50. Rb5 Ra3+ 51. Kh4 Ra7 52. Kg5 Rg7+ 53. Kf5 Rf7+ 54. Kg5 Rg7+ Twofold repetition 55. Kh5 Rh7+ 56. Kg5 Rg7+ Draw by threefold repetition 57. Kf4 Rf7+ 58. Kg3 Rg7 59. Rb8+ Ke7 59... Kf7 60. Kh4 Kg6 61. Rb6+ Kh7 62. Kh5= 60. Rb7+ 60. Kh4 Kf6 61. Rb6+ Ke5 62. g5+- 60... Kf6= 61. Kf4?? ruins a very nice position >= 61. Rb6+ was a good chance to save the game 61... Kg5 62. Rb5+ Kg6 63. Rb8= 61... Rxb7 0-1 [Fritz 9 (5s)]