A06 Réti Opening: 1.Nf3 d5 (1.b3 Nf6 2.Bb2 e6 3.e3 d5 4.Nf3 Bd6 5.Be2)

[Event ""] [Site "?"] [Date "2011.08.28"] [White "RT"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1857"] [BlackElo "1852"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "128"] 1. b3 Nf6 {A01 Nimzo-Larsen Attack: Indian Variation} 2. Bb2 e6 3. e3 d5 4. Nf3 Bd6 5. Be2 {A06 Réti Opening: 1.Nf3 d5} Nbd7 {0.52/25} (5... c5 $15 {-0.38/25} ) 6. a3 $146 {-0.61/23} (6. c4 $14 {0.52/25} c6 (6... O-O 7. Nc3 b6 8. Qc2 dxc4 9. bxc4 Bb7 10. Nb5 Be7 11. h4 a6 12. Nc3 Re8 13. h5 Bf8 14. d4 c5 15. Bd3 cxd4 16. Ne4 Bb4+ 17. Ke2 Bxe4 18. Bxe4 Nc5 19. a3 Ncxe4 20. axb4 d3+ 21. Qxd3 { Rethy,P-Lundin,E Munich 1941 0-1}) 7. O-O O-O 8. d3 Re8 9. Nc3 Nf8 10. e4 dxe4 11. Nxe4 Be7 12. Ne5 Ng6 13. Nxg6 hxg6 14. Ng5 Qa5 15. f4 Ba3 16. Bxa3 Qxa3 17. Qd2 Qd6 18. Nf3 c5 19. Rad1 Rd8 20. d4 {1/2-1/2 (20) Ueti,S (2234)-Van Riemsdijk,H (2396) Santos 2008}) (6. O-O Qe7 7. c4 O-O 8. Nc3 a6 9. Qc2 Ba3 10. Bxa3 Qxa3 11. cxd5 exd5 12. d4 Re8 13. Rac1 c6 14. Bd3 Nf8 15. Na4 Qd6 16. Nc5 Re7 17. h3 g6 18. Ne5 N6d7 19. Nexd7 Nxd7 20. b4 Nf8 {David,M-Veresov,G Leningrad 1938 1/2-1/2 (71)}) (6. d3 O-O 7. Nbd2 b6 (7... e5 8. c4 c5 9. cxd5 Nxd5 10. Nc4 Bc7 11. Nfxe5 Nxe5 12. Bxe5 Bxe5 13. Nxe5 Qg5 14. Ng4 Nc3 15. h4 Qg6 16. Ne5 Qxg2 17. Bf3 Qxh1+ 18. Bxh1 Nxd1 19. Kxd1 Re8 20. Nf3 Bf5 21. Ke2 Rad8 22. Ne1 {Didiliuc,D (1573)-Olea,L (1926) Baile Olanesti 2013 0-1 (38)}) 8. O-O Bb7 9. c4 c5 10. Qc2 Rc8 11. a3 Qe7 12. Rfe1 e5 13. cxd5 Nxd5 14. Nc4 Bb8 15. e4 Nf4 16. Bf1 Rfd8 17. Ne3 g6 18. Bc1 Kh8 19. Qb1 Nf8 20. a4 Ba6 { Tuertmann,D (1846)-Wetjen,A (1998) Binz 2014 1-0 (103)}) 6... O-O {0.11/26} ( 6... e5 $15 {-0.61/23}) 7. d4 {-0.36/23} (7. c4 $11 {0.11/26}) 7... c5 {0.41/25 } (7... Re8 $15 {-0.36/23}) 8. c3 {-0.73/22} (8. dxc5 $14 {0.41/25} Nxc5 9. Nbd2) 8... Ne4 {0.31/26} (8... Qe7 $17 {-0.73/22}) 9. Nbd2 {-0.47/24} (9. dxc5 $14 {0.31/26} Bxc5 10. Nbd2) 9... Ndf6 {0.24/26} (9... cxd4 $15 {-0.47/24} 10. Nxe4 dxe4 11. Nxd4 Bb8) 10. h3 {-0.43/25} (10. Nxe4 $11 {0.24/26} dxe4 11. Ne5) 10... b6 {0.00/26} (10... cxd4 $15 {-0.43/25 should be considered.} 11. Nxe4 Nxe4 12. Qxd4 Be7) 11. Qc2 {-0.48/25} (11. dxc5 $11 {0.00/26} bxc5 12. c4) 11... Bb7 {-0.07/27} (11... cxd4 $15 {-0.48/25 is superior.} 12. cxd4 Bb7) 12. dxc5 $11 Nxc5 {-0.07/26} ({Black should play} 12... bxc5 $17 {-0.75/20} 13. c4 Qc7) 13. h4 {-1.56/23} (13. O-O $11 {-0.07/26}) 13... Rc8 {-1.15/26} (13... Qe7 $142 {-1.56/23} 14. O-O Rac8) 14. Ng5 {-1.98/22} (14. c4 $17 {-1.15/26}) 14... e5 {-0.86/27} (14... Qe7 $19 {-1.98/22 is more deadly.} 15. c4 e5) 15. b4 $17 Ncd7 16. Qb3 {-1.97/22} (16. e4 $17 {-0.90/26}) 16... Qe7 {-1.38/25} (16... Bb8 $19 {-1.97/22} 17. Ngf3 Ng4) 17. Kf1 {-2.20/22} (17. Ngf3 $17 {-1.38/25}) 17... e4 18. Nh3 {-3.00/23} (18. Qd1 $142 {-1.92/26}) 18... Rc7 {-1.57/27} (18... Ne5 $19 {-3.00/23} 19. Qc2 Rfe8) 19. g3 $2 {-3.27/22} (19. Qd1 $17 {-1.57/27}) 19... Rfc8 {-1.85/29} (19... Ne5 $142 {-3.27/22} 20. Nf4 Nd3 $1 21. Nxd3 exd3) 20. Nf4 $2 {-3.40/23} (20. Qd1 {-1.85/29}) 20... Ne5 $19 21. Rd1 {[#]} Nc4 $2 { -0.97/23} (21... Nd3 $1 $19 {-4.32/24 and Black stays clearly on top. ...d4! is the strong threat.} 22. Nxd3 (22. Bxd3 exd3) 22... exd3) 22. Nb1 $2 { -3.27/22} (22. Nxc4 $17 {-0.97/23} dxc4 23. Qc2) 22... Be5 23. Ba1 b5 24. Kg2 a6 25. a4 Bc6 26. a5 Bb7 27. Qa2 $2 {-4.19/23 [#]} (27. Na3 {-2.53/27}) 27... Qe8 $2 {-1.40/29} (27... d4 $1 $19 {-4.19/23 has better winning chances.} 28. Bxc4 (28. cxd4 Bxf4) 28... Rxc4) 28. Bxc4 $2 {-3.62/24} (28. Nd2 $17 {-1.40/29} ) 28... dxc4 ({Weaker is} 28... Rxc4 29. Nd2 $17) (28... bxc4 29. Ne2 $17) 29. Ne2 Rd8 30. Nd4 Rcd7 31. Qe2 Bb8 32. Nd2 Ba7 33. Bb2 {-5.10/21} (33. h5 { -3.62/27 was called for.} Bxd4 34. cxd4) 33... Qe5 34. Nf1 Nd5 35. Rc1 Rd6 36. Nh2 f5 37. Kf1 Nf6 38. Rg1 Rf8 (38... Bxd4 $2 39. exd4 Qe6 40. Ke1 $19) 39. Rc2 Bc8 40. Ke1 Qe7 41. Kd1 Nd5 42. Kc1 $2 {-5.30/23} (42. Rd2 {-2.66/27}) 42... Rg6 {-2.54/26} (42... Bxd4 $142 {-5.30/23} 43. exd4 f4 44. gxf4 Nxf4) 43. h5 Rh6 44. Kb1 Qg5 45. Nf1 $2 {-4.08/23} (45. Rd2 {-2.41/27} Bb7 46. Nf1) 45... Bb8 46. Rh1 Nf6 47. f4 exf3 $4 {2.62/29} (47... Qg4 $1 $19 {-2.37/30 avoids the disaster.} 48. Qxg4 Nxg4) 48. Qxf3 $4 {-4.02/24} (48. Nxf3 $18 {2.62/29 was the only winning move.} Qg4 49. Rh4) 48... Rxh5 49. Rxh5 Qxh5 (49... Nxh5 $2 50. Qd5+ Kh8 51. e4 $19) 50. Qc6 Qe8 51. Qf3 Qe4 52. Qe2 Bb7 53. Ka2 Ng4 54. Rd2 Re8 55. Bc1 Nxe3 $2 {-1.51/34} (55... g6 $19 {-5.18/26} 56. Bb2 Be5) 56. Nxe3 Qxe3 57. Qxe3 Rxe3 58. Nxf5 Re8 {-0.09/36} (58... Rd3 $17 {-1.12/26 Hoping for ...Rxd2+.} 59. Re2 Kf8) 59. Rd7 {-0.86/30 [#]} (59. Nd6 $11 { -0.09/36 remains equal.} Bxd6 60. Rxd6) 59... Be4 {0.00/36} ({Better is} 59... Bc8 $1 $17 {-0.86/30} 60. Rxg7+ Kf8) 60. Nxg7 $11 Rf8 {White must now prevent . ..Be5.} 61. Nh5 $2 {-2.32/27} (61. Ne6 $11 {0.00/32 and White is okay.} Re8 62. Nc7 Bxc7 63. Rxc7) 61... Rf2+ $19 62. Ka3 {aiming for Rd8+.} Bb1 63. Bb2 { And now Rd8+ would win.} Be5 {( -> ...Bxc3!)} 64. Ra7 $2 {-#10/28 [#]} (64. Rd1 $19 {-1.67/32} Bd3 {[#]} 65. Nf4 $1 Bxf4 66. gxf4) 64... Bxc3 $1 {Accuracy: White = 18%, Black = 28%.} 0-1