Caro-KannB13

Eugene Perelshteyn (2595)
Curt Brock (1621)

GM Simul
2009


B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack

1. e4 c6 Secures b5 1... e5 2. Nf3= 2. d4 d5 3. exd5 cxd5 4. Bd3 Black is behind in developement. Black's piece can't move: f8 4... Nc6 Black threatens to win material: Nc6xd4 5. c3 Black's piece can't move: f8 5... Nf6 6. Bf4 Bg4 7. Qb3 White threatens to win material: Qb3xb7 7... Qb6 7... Na5 8. Qa4+ Nc6 9. Qb5+/= 8. Nd2 8. Qxb6 axb6 9. Na3 Nh5+/- 8... Qxb3+/= 9. axb3 e6 Consolidates f5 10. Ngf3 Be7 11. b4 O-O 12. O-O a6 Covers b5 13. b5 axb5 14. Bxb5 Ne4 14... Bf5 15. Rfe1= 15. Rfe1 15. Nxe4!? dxe4 16. Nd2+/- 15... Bxf3 16. Nxf3 White has the pair of bishops 16... Bd6 Black threatens to win material: Bd6xf4 17. Be3 Rfc8 18. Kf1 Kf8 19. Nd2 19. Bd3!? Ke7 20. Rad1+/= 19... Nxd2+= 19... Bxh2? doesn't lead to the expected results 20. Nxe4 dxe4 21. g3+- 20. Bxd2 Na5 20... Bxh2? is nothing because of 21. g3+- 21. Be3 Nc4 22. Bxc4 dxc4 23. Ke2 Ke7 Instead of 23... Bxh2 24. g3+- 24. Kd2 24. Kf3 Re8= (24... Bxh2? fails because of 25. g3+-) 24... b5=/+ Weaker is 24... Bxh2 25. g3+/- 25. Kc2 Kd7 Worse is 25... Bxh2 26. Rxa8 Rxa8 27. g3+/- 26. b3 cxb3+ Inferior is 26... Bxh2 27. g3+/- 27. Kxb3 Ra4 Not 27... Bxh2 28. Rxa8 Rxa8 29. g3+/- 28. Rxa4 bxa4+ 29. Kc2 29. Kxa4 Rxc3 30. Kb5 Rc2=/+ 29... Rb8 Less advisable is 29... Bxh2 30. g3+/- 30. h3 a3 White has to watch this pawn 31. Rb1 Rxb1 31... Ra8!?= deserves consideration 32. Kxb1+/= A bishop endgame occured 32... Kc6 33. c4 Bb4 34. Ka2 f6 Prevents intrusion on g5 35. Kb3 g6? 35... Kd7+/- 36. Bc1?? White threatens to win material: Bc1xa3. White loses the upper hand >= 36. Kxb4 secures the point 36... a2 37. d5+ exd5 38. Bd4+- 36... Be1+/= Black threatens to win material: Be1xf2 37. Kxa3 Bxf2 38. Kb3?? White is ruining his position >= 38. Bb2= and White has air to breath 38... Bxd4-+ 39. Kc2 e5 40. Kd3 f5 41. g4 fxg4?? gives the opponent counterplay >= 41... h5 Black would have gained the upper hand 42. gxf5 gxf5-+ 42. hxg4=/+ Kc5 43. Ba3+ Kc6 43... Kb6 44. Ke4=/+ 44. Ke4 44. Bc1 Bg1=/+ 44... Kd7 45. Kd5 White prepares c5 45... h5 46. gxh5 gxh5 47. c5? >= 47. Bb4=/+ and White could well hope to play on 47... Bxc5 47... >= h4 48. c6+ Kc8-+ 48. Bxc5= 48. Kxc5?? h4 49. Kd5 h3 50. Kxe5 h2-+ 1/2-1/2 [Fritz 9 (5s)]