A01 Nimzowitsch-Larsen Opening (1.b3 d5 2.Bb2 Bf5)

[Event ""] [Site "?"] [Date "2010.06.02"] [Round ""] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A01"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "123"] 1. b3 d5 {A01 Nimzo-Larsen Attack: Classical Variation} 2. Bb2 Bf5 {A01 Nimzowitsch-Larsen Opening} 3. e3 e6 4. Be2 (4. h3 h6 5. Nc3 Bh7 6. d4 Nf6 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. O-O-O Bb4 10. Nge2 O-O 11. g4 c5 12. dxc5 Qe7 13. Rhg1 Nxc5 14. Qd4 Nce4 15. Nxe4 dxe4 16. g5 hxg5 17. Qe5 Rfd8 18. Rxd8+ Rxd8 { Jobava,B (2710)-Yu,Y (2677) Wijk aan Zee 2014 1-0 (35)}) (4. d3 Nf6 5. g3 Bd6 6. Bg2 O-O 7. Ne2 c6 8. Nd2 e5 9. h3 Qe7 10. e4 Bd7 11. Nc3 dxe4 12. dxe4 Ba3 13. Bxa3 Qxa3 14. O-O Na6 15. Nc4 Qb4 16. Qe1 Qe7 17. a4 Rad8 18. a5 Nb4 { Patrick,V (1848)-Shetty,A (2380) Greensboro 2018 0-1}) 4... Nf6 5. h3 $146 (5. g4 Bg6 6. h4 h5 7. g5 Nfd7 8. d3 Nc6 9. Nd2 Qe7 10. a3 e5 11. Nf1 f6 12. Nh3 Bf7 13. Ng3 g6 14. gxf6 Nxf6 15. Ng5 Bh6 16. Nxf7 Qxf7 17. b4 a6 18. a4 Qe7 19. c3 O-O {Kunz,K (2186)-Zankl,T (1987) Passau 1999 1-0 (50)}) (5. d3 h6 6. Nd2 Nbd7 7. Ngf3 Bh7 8. O-O Be7 9. Re1 O-O 10. Bf1 Nc5 11. a4 a5 12. g3 Nfd7 13. e4 c6 14. h4 Bf6 15. e5 Be7 16. Bh3 b5 17. axb5 cxb5 18. Kh2 Qc7 19. Nd4 Rfb8 { Arribas Lopez,A (2494)-Candela Perez,J (2393) Madrid 2013 0-1 (58)}) (5. f4 c5 6. Nf3 Bd6 7. O-O Nc6 8. d3 Qe7 9. Qe1 O-O-O 10. a3 h6 11. b4 cxb4 12. axb4 Bxb4 13. Qc1 Bc5 14. d4 Bb6 15. c4 dxc4 16. Bxc4 Kb8 17. Nc3 Rhg8 18. Ba3 Qc7 19. Nb5 Qc8 {Zehnter,S (2109)-Schmid,R (2057) Schweinfurt 2007 1/2-1/2 (39)}) 5... Nbd7 6. Nf3 h6 7. d3 {-0.57/24} (7. d4 $11 {0.06/25}) 7... Bd6 {-0.04/25} (7... a5 $15 {-0.57/24}) 8. Nh4 {-0.68/23} (8. O-O $11 {-0.04/25}) 8... Bh7 $15 9. Nd2 {-1.09/21} (9. c4 $11 {-0.25/26}) 9... O-O {-0.34/28} (9... e5 $17 { -1.09/21}) 10. Nhf3 {-1.39/23} (10. c4 $15 {-0.34/28}) 10... c5 {-0.22/26} ( 10... e5 $17 {-1.39/23}) 11. g4 {-0.83/22} (11. c4 $11 {-0.22/26}) 11... Ne8 { 0.31/26} (11... Rc8 $17 {-0.83/22}) 12. h4 {-0.63/22} (12. Rg1 $14 {0.31/26}) 12... Qc7 {0.39/22} (12... e5 $15 {-0.63/22}) 13. g5 {-0.14/25} (13. c4 $14 { 0.39/22}) 13... h5 {0.78/21} (13... e5 $11 {-0.14/25 remains equal.}) 14. Ng1 { -0.20/28} (14. O-O $16 {0.78/21}) 14... g6 {0.93/22} (14... b5 $11 {-0.20/28}) 15. Nf1 $2 {-0.65/24} (15. c4 $16 {0.93/22}) 15... b5 {0.45/24} (15... Be5 $15 {-0.65/24} 16. c3 Nd6) 16. Qd2 {-0.62/22} (16. c4 $14 {0.45/24}) 16... a5 { 0.00/27} (16... b4 $15 {-0.62/22}) 17. f4 {-1.09/23} ({Much worse is} 17. Qc3 Be5 $17) (17. Nf3 $11 {0.00/27 keeps the balance.}) 17... Rc8 {-0.53/27} (17... a4 $17 {-1.09/23}) 18. O-O-O {-1.64/23} (18. c4 $15 {-0.53/27}) 18... c4 19. dxc4 bxc4 20. bxc4 dxc4 {White must now prevent ...c3.} 21. c3 $2 {-2.97/25} ( 21. Qc3 $17 {-1.28/26} f6 22. gxf6) 21... Nb6 22. Qc2 Nd5 23. Nf3 Qc5 $2 { -0.14/26} (23... Bc5 $19 {-2.45/23 ...Nd6 is the strong threat.} 24. Kb1 Nd6) 24. Rd4 {-1.00/24} (24. N3d2 $11 {-0.14/26}) 24... Qb5 {0.00/26} (24... Ng7 $1 $17 {-1.00/24} 25. Rxc4 Qa7) 25. N1d2 $2 {-2.95/26} (25. Ne5 $1 $11 {0.00/26 and White is okay.}) 25... Nb6 $2 {0.96/24} (25... Nxe3 $19 {-2.95/26} 26. Qb1 Bc5) 26. Ne4 Be7 $1 27. Nfd2 {-0.57/25} (27. Ne5 $14 {0.67/24}) 27... Ng7 { And now ...Nf5 would win.} 28. Ng3 {-1.44/24} (28. a4 $1 $11 {-0.23/26} Qa6 29. Ng3) 28... Bc5 {-0.59/27} (28... a4 $17 {-1.44/24} 29. Nb1 Bc5) 29. Re4 $2 { -2.67/23} (29. Rxc4 $15 {-0.59/27} Nxc4 30. Nxc4) 29... Be7 $2 {0.05/27} (29... Nf5 $19 {-2.67/23} 30. Nxf5 exf5) 30. Nf3 {-1.31/21} (30. a4 $1 $11 {0.05/27} Nxa4 31. Bxc4 Qxb2+ 32. Qxb2 Nxb2 33. Kxb2) 30... Rfd8 {-0.40/27} (30... a4 $17 {-1.31/21} 31. a3 Bc5) 31. Rd4 {-1.20/22} (31. Kb1 $15 {-0.40/27}) 31... Nd5 { -0.49/26} (31... a4 $17 {-1.20/22} 32. Rxd8+ Bxd8) 32. Re4 $2 {-2.75/25} (32. Qd2 $15 {-0.49/26}) 32... Bc5 33. Bxc4 Bxe3+ $2 {-0.21/27} ({Black should play } 33... Qb6 $1 $19 {-2.36/25} 34. Qb3 Nf5 35. Nxf5 gxf5) 34. Rxe3 $11 Qxc4 { -0.16/26} (34... Rxc4 $17 {-0.86/25} 35. Rd3 Rb8) 35. Re4 Qc7 {-0.09/28} ({ Black should try} 35... Qc5 $1 $15 {-0.67/23} 36. Rd4 Qc7) 36. c4 $2 {-5.07/25} (36. Rd1 $11 {-0.09/28}) 36... Nxf4 $2 {0.00/28} (36... Nb4 $19 {-5.07/25} 37. Qe2 Nd3+ 38. Kc2 Nf5) 37. Be5 {-1.01/29} (37. Ne5 $11 {0.00/28} Nd5 38. Kb1) 37... Nd3+ $17 38. Kb1 $2 {-4.20/26} (38. Qxd3 $1 $15 {-0.63/28} Rxd3 39. Bxc7 Rxf3 40. Bf4) 38... Rb8+ {-1.73/27} (38... Nxe5 $142 {-4.20/26} 39. Nxe5 Nf5 40. Nxf5 gxf5) 39. Ka1 $19 Nxe5 40. Rxe5 {-2.89/25} (40. Nxe5 $142 {-1.71/29} Nf5 41. Nxf5 gxf5 42. Ree1) 40... Rb4 $2 {-0.48/28} (40... Nf5 $19 {-2.89/25 aiming for ...Nd4.} 41. Nxf5 gxf5) 41. Rc1 $1 $15 Rc8 $2 {1.66/29} (41... Nf5 $15 {-0.69/31 stays ahead.} 42. Ne4 Nd4) 42. c5 $4 {-1.67/25} (42. Ne4 $18 { 1.66/29}) 42... Qc6 $2 {0.58/24} (42... Nf5 $19 {-1.67/25} 43. Nxf5 gxf5) 43. Ne4 $14 Nf5 $2 {5.31/23} ({Better is} 43... Ne8 $1 $14 {0.35/28}) 44. Nf6+ $18 Kg7 45. Re4 $2 {0.00/30} (45. Qc3 $18 {5.03/24} Bg8 46. Ree1) 45... Rd8 $2 { 4.26/25} (45... Rb5 $11 {0.00/30 and Black stays safe.}) 46. Rxb4 axb4 47. Rd1 $2 {0.00/31} (47. Ne5 $18 {2.39/22} Qa6 48. Qb2) 47... Rxd1+ $11 48. Qxd1 Qxc5 {Hoping for ...Bg8.} 49. Kb1 $2 {-1.57/28} (49. Qd2 $11 {0.00/31}) 49... Ne3 $1 $17 50. Qd3 {-2.70/26 [#]} (50. Ne8+ $142 {-1.64/31} Kf8 51. Qd6+ Qxd6 52. Nxd6 ) 50... Nc4 $2 {0.00/33} (50... Ng4 $1 $19 {-2.70/26} 51. Ne8+ Kf8) 51. Ne4 $36 {White has some pressure.} Na3+ $2 {3.43/31 [#]} (51... Qc8 $11 {0.00/33 and Black has nothing to worry.}) 52. Kb2 $2 {1.35/33} (52. Qxa3 $1 $18 {3.43/31 Threatening mate with Qb2+.} bxa3 53. Nxc5) 52... Nc4+ $2 {5.16/26} (52... Qc6 $16 {1.35/33}) 53. Kb3 $18 {White is clearly winning.} Na5+ 54. Ka4 Qb6 { 8.37/30} (54... Nb7 $142 {4.38/30} 55. Qd4+ Qxd4 56. Nxd4 Kg8 57. Kxb4 f5) 55. Qd4+ Qxd4 56. Nxd4 {Endgame KBN-KNN} Nc4 57. Kxb4 Ne3 58. a4 Nd5+ 59. Kb5 f5 60. gxf6+ Kf7 61. a5 e5 62. Ng5+ {Accuracy: White = 20%, Black = 10%.} 1-0