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#16339 by a33 Winawer crush

00:25, October 17, 2015 by a33 Winawer crush

[Event "?"] [Site "?"] [Date "2015.10.16"] [Round "4"] [White "Yevgeny Levanzov"] [Black "Gil Tzur"] [Result "1-0"] [ECO "B34"] [PlyCount "103"] 1. e4 c5 2. Nf3 g6 {played before Nc6, to avoid the possible 3. Bb5 Rossolimo variation.} 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 {the accelerated dragon.} 7. Nxc6 {Bc4 is the main line.} bxc6 8. e5 Ng8 9. Bd4 Nh6 {f6 and Qa5 are a bit better.} 10. e6 O-O 11. Bxg7 Kxg7 12. exd7 Qxd7 {Bd7 is more logical, black should strategically avoid the endgame, with the weak Q-side pawns.} 13. Qxd7 Bxd7 {white's strategic plan is simple - to use his Q-side majority and create a passer.} 14. O-O-O {maybe Bc4, preventing Be6 is more accurate (as on Bf5, the knight is stuck).} Be6 15. h3 Nf5 16. Bd3 (16. g4 Nd6 17. Bg2 {was also possible, but didn't want to commit to this pawn structure. also, black had Nh4.}) 16... Nd6 17. Rhe1 (17. Na4 {with the idea of Nc5.} Bd5 18. f3 {was also possible.}) 17... Rfe8 18. b3 c5 19. Nb5 {alternatives were Ba6 and Ne4.} Nxb5 20. Bxb5 Red8 21. Bc6 {Re5 right away was better. c4 is an idea now.} Rac8 22. Bf3 {white is slightly better. I didn't see winning ideas in bishops ending.} (22. Rxd8 Rxd8 23. Re5 c4) 22... a5 23. Rxd8 Rxd8 24. Re5 Rc8 25. Bd5 Bxd5 (25... Kf6 $6 26. Bxe6 Kxe5 $2 27. Bxc8) 26. Rxd5 Kf6 27. Kd2 {also Kb2.} (27. Rd7 {doesn't actually win a pawn.} a4 (27... c4 28. Ra7 cxb3 29. axb3 Rc5) 28. Ra7 axb3 29. cxb3) 27... Ke6 28. Rd3 {c4 is a bad fix and I can't attack his pawns with the king.} c4 $1 29. Rc3 $6 {a bad move, making the rook too passive, which I understood immediately after the move.} Kd5 {totally forgot of Kd5 and considered only bxc3.} (29... cxb3 30. Rxc8 $4 (30. cxb3) 30... bxa2 ) 30. Kc1 f5 31. Kb2 {equal.} Rc5 32. a3 e5 33. f3 $6 {Re3 was the only correct move.} Kd4 34. bxc4 e4 35. fxe4 (35. Kb3 $4 Rc8 36. Kb2 a4 37. fxe4 Rb8+) 35... fxe4 {here we both were already in time trouble.} 36. Kb3 $4 {just blundered that a4 wins.} e3 $2 (36... a4+ $1 37. Kb4 (37. Kb2 Re5) 37... Rc8 38. Rg3 Rxc4+ 39. Kb5 Rxc2 40. Kxa4 e3) 37. Rd3+ Ke4 38. Kc3 Re5 $6 (38... Rxc4+ $2 39. Kxc4 e2 40. Rd8 e1=Q {as the promotion is not with a check.} 41. Re8+ Kf4 42. Rxe1) 39. Rd4+ Kf5 40. Rd5 e2 41. Rxe5+ {g4+ was much better, from later opposition cosiderations.} Kxe5 42. Kd2 Kd4 43. Kxe2 {looks winning but it's not.} Kxc4 44. Kd2 a4 $4 {loses.} 45. h4 $2 {I totally forgot that he has a saving line, in spite losing the opposition. g3 was needed.} (45. g3 g5 ( 45... h5 46. h4) (45... h6 46. c3 h5 47. h4) 46. g4 h6 47. c3) 45... h6 46. g4 Kd4 47. c3+ Kc4 $4 {loses. the next line is what I have missed.} (47... Ke4 $1 48. g5 (48. h5 g5 49. c4 Kd4 50. c5 Kxc5 51. Kc3 {draw.}) 48... hxg5 49. hxg5 Kf4 50. Kd3 (50. c4 $4 Kxg5 {black is in the square.}) 50... Kxg5 51. Ke4 Kf6 52. Kd5 g5 53. c4 {nd draw.}) 48. Kc2 g5 49. h5 Kc5 50. Kd3 Kd5 51. c4+ Kc5 52. Kc3 {black resigned.} 1-0