A01 Nimzowitsch-Larsen Opening (1.b3 e5 2.Bb2 Nc6 3.Nf3 d6 4.e3 Nf6 5.d4)

[Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.02.23"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A01"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "174"] [EventDate "2015.??.??"] 1. b3 e5 {A01 Nimzo-Larsen Attack: Modern Variation} 2. Bb2 Nc6 3. Nf3 d6 4. e3 Nf6 5. d4 {A01 Nimzowitsch-Larsen Opening} exd4 {0.82/25} (5... e4 $1 $11 { -0.04/24 keeps the balance.} 6. Nfd2 (6. d5 Nb4 7. Nfd2 c6 8. dxc6 Nxc6 9. c4 Bf5 10. Nc3 Qd7 11. h3 h5 12. Be2 O-O-O 13. O-O Kb8 14. Nd5 Nxd5 15. cxd5 Ne7 16. Bc4 Rh6 17. f3 Bxh3 18. Rf2 Bf5 19. fxe4 Bg6 20. a4 f6 {Alansacount (2529) -El Shaddai,R (2511) playchess.com INT 2006 1-0 (39)}) 6... d5) 6. exd4 { -0.22/26} (6. Nxd4 $16 {0.82/25} d5 7. Nxc6 bxc6 8. Nd2) 6... d5 $11 7. c4 $146 {-0.69/24} (7. Be2 $11 {0.29/26} Bd6 8. O-O Ne7 9. Ba3 O-O 10. Bxd6 Qxd6 11. Ne5 Nd7 12. Nd3 f5 13. Nd2 Ng6 14. Nf3 Nf4 15. Qd2 Nxd3 16. Bxd3 Nf6 17. Rfe1 Ne4 18. Bxe4 fxe4 19. Ne5 Be6 20. Re3 Rf6 21. c3 Raf8 22. Rf1 {Weinberger, W-Hosseini,M Bayern 2000 1-0 (42)}) (7. Bb5 Bd6 (7... Bb4+ 8. c3 Qe7+ 9. Qe2 Qxe2+ 10. Kxe2 Bd6 11. Ne5 O-O 12. f4 {1/2-1/2 (12) Bagirov,V (2495)-Pribyl,J (2425) Yerevan 1982}) 8. Ne5 O-O 9. Bxc6 bxc6 10. O-O Bb7 11. Nd3 Ne4 12. Nd2 Ba6 13. Nf3 Re8 14. Re1 Qf6 15. Nfe5 Bxd3 16. Nxd3 Qh4 17. h3 h5 18. f3 Ng5 19. Qd2 Qg3 20. Kf1 h4 21. Rxe8+ Rxe8 {Tuominen,R (2283)-Elomaa,A (2129) Finland 2018 1-0 (90)}) 7... Bb4+ 8. Nbd2 {-1.01/25} (8. Nc3 $15 {-0.57/27 should be considered.}) 8... O-O {-0.42/27} (8... Ne4 $17 {-1.01/25 Hoping for ...Bg4.} 9. cxd5 Nxd2 10. Nxd2 Qxd5) 9. Be2 {-1.06/25} (9. a3 $15 {-0.42/27} Re8+ 10. Be2 Bxd2+ 11. Qxd2) 9... Bg4 {Strongly threatening ...dxc4.} 10. O-O dxc4 { 0.21/24} (10... Re8 $15 {-0.68/25}) 11. bxc4 {0.84/22} (11. Nxc4 $11 {0.21/24} Nd5 12. Nfe5) 11... Re8 $16 12. a3 {0.00/30} (12. h3 $16 {0.84/22} Bf5 13. a3) 12... Ba5 $2 {1.62/24} (12... Qe7 $1 $11 {0.00/30} 13. axb4 Qxe2) 13. d5 { 0.75/28} (13. Nb3 $18 {1.62/24}) 13... Nb8 {2.03/24} (13... Bxd2 $16 {0.75/28} 14. Qxd2 Na5) 14. Nb3 $36 {Black is under strong pressure.} Qe7 {2.56/27} ( 14... b6 {1.82/27 is a better defense.} 15. h3 Bh5) 15. Bd3 ({Weaker is} 15. Nxa5 Qxe2 16. Qxe2 Rxe2 $16) 15... b6 16. Nxa5 bxa5 17. Bc2 Qe2 {2.65/25} ( 17... Nbd7 $16 {1.55/26}) 18. Bxf6 {1.46/29} ({White should try} 18. Qxe2 $18 { 2.65/25} Rxe2 19. Nd4) 18... Bxf3 $2 {3.67/24} (18... Qxd1 $16 {1.46/29} 19. Bxd1 (19. Rfxd1 gxf6 20. Rd4 Bxf3 $16) 19... gxf6) 19. gxf3 gxf6 20. Qxe2 { 1.73/24} (20. d6 $142 {3.27/27}) 20... Rxe2 21. Be4 {1.26/30} (21. Bf5 $18 { 1.87/26}) 21... Nd7 $16 {[#]} 22. Rfb1 {1.12/29} (22. d6 $1 $18 {1.77/27} Rd8 ( 22... cxd6 23. Bxa8) 23. Rfd1 (23. dxc7 Rc8 $11)) 22... Nc5 {2.06/24} (22... Re8 $16 {1.12/29}) 23. Bf5 $2 {0.29/31} (23. Kf1 $1 $18 {2.06/24} Rd2 24. Rb5 Nxe4 25. fxe4) 23... a6 {0.76/26} (23... a4 $11 {0.29/31}) 24. Kf1 {0.00/32} ( 24. Re1 $1 $16 {0.76/26} Rae8 25. Kf1 Rxe1+ 26. Rxe1 Rxe1+ 27. Kxe1) 24... Re5 $11 25. Bc2 Rh5 26. Kg2 Re8 {0.96/28} (26... Kh8 $11 {0.00/32}) 27. Re1 { 0.27/31} (27. f4 $1 $16 {0.96/28}) 27... Kf8 $2 {1.81/29} (27... Rg5+ $11 { 0.27/31 and Black stays safe.} 28. Kf1 Kf8) 28. Rxe8+ Kxe8 $18 {Endgame KRB-KRN } 29. Rb1 $2 {0.00/32} (29. f4 $18 {1.65/30}) 29... Rh4 {0.82/27} (29... Rg5+ $11 {0.00/32} 30. Kh1 Rh5) 30. Rb8+ {0.33/30} (30. Re1+ $16 {0.82/27} Kf8 31. Be4) 30... Ke7 $14 31. Rc8 Kd7 {0.75/25} (31... Rxc4 $11 {0.00/33 remains equal.} 32. Bxh7 Kd6) 32. Rf8 {0.00/34} (32. Bf5+ $16 {0.75/25} Kd6 33. Bg4) 32... Ke7 $11 33. Rh8 {-1.07/27} (33. Rc8 $11 {0.00/34} Rxc4 34. Bxh7) 33... h6 {0.00/32} ({Black should play} 33... Rxc4 $17 {-1.07/27} 34. Bb1 h6 $1 35. Rxh6 Ra4) 34. Bd1 $2 {-1.68/29} (34. Rh7 $1 $11 {0.00/32 and White is okay.}) 34... Rxc4 $19 35. Rxh6 {[#]} Rc3 $1 36. a4 {-2.54/30} (36. h4 {-1.63/31 might work better.}) 36... Rd3 37. Be2 {-2.42/26 [#]} (37. Bc2 $142 {-1.87/32} Rd2 38. Be4 ) 37... Rxd5 {-1.11/27} (37... Rd2 $1 $19 {-2.42/26 is more deadly.} 38. Bf1 Nxa4 39. d6+ cxd6) 38. f4 {-2.00/27} (38. Rh4 $17 {-1.11/27 keeps fighting.}) 38... Rd4 $2 {-0.47/28} (38... Rf5 $19 {-2.00/27} 39. Rh7 Rxf4) 39. Kg3 $2 { -3.81/25} ({Only move:} 39. Rh5 $15 {-0.47/28} Kd6 40. Rf5) 39... Rxa4 40. Rh5 Kd6 {-1.96/31} (40... Ra3+ $142 {-3.81/24} 41. Kg4 Rc3) 41. Bf3 $2 {-3.86/25} ( 41. h4 {-1.96/31}) 41... Rd4 42. Rh6 $2 {-6.92/26} (42. Rf5 {-3.62/32} a4 43. Bh5) 42... Ke7 43. Rh5 Nb3 44. h4 a4 45. Rh8 a3 46. Ra8 Nc5 47. Rc8 Kd7 48. Bg4+ Kc6 49. Bf3+ Kd6 {-5.18/31} (49... Kd7 $142 {-12.12/28} 50. Bg4+ Ke7 51. Rxc7+ Kd6) 50. Rd8+ Nd7 51. Ra8 {-11.42/28} (51. Re8 $142 {-4.82/30} a2 52. Re1 ) 51... Ra4 {Threatens to win with ...a2.} 52. h5 a2 53. h6 a1=Q 54. h7 f5 { -6.41/30} (54... Qg1+ $142 {-#23/31} 55. Bg2 Ra2 56. Rxa6+ Rxa6 57. h8=Q Ra2 58. Qh2 Qxf2+ 59. Kg4 Ra3 60. Kh5 Rg3 61. Qh1 Qxf4 62. Qd1+ Ke7 63. Qe2+ Kf8 64. Qe8+ Kxe8 65. Bh1 Rh3#) 55. h8=Q Qxh8 {-2.78/32} (55... Qg1+ $142 {-5.90/26 } 56. Bg2 Ra3+ 57. f3 Ra2 58. Qh6+ Kc5) 56. Rxh8 {KRB-KRN} Ra2 57. Rh5 { -2.52/26} (57. Bh5 $142 {-1.82/32}) 57... Ke6 58. Bd1 Ra1 59. Bb3+ Kf6 60. Rh6+ $2 {-4.57/25} (60. Kh2 {-2.46/32}) 60... Kg7 61. Rh5 {-8.14/26} (61. Rh3 $142 { -4.57/35} a5 62. Kg2) 61... Kg6 $2 {-3.03/34} (61... Ra3 {-8.14/26} 62. Kf3 Kg6 63. Rg5+ Kf6) 62. Rg5+ Kf6 {White must now prevent ...Ra3.} 63. Rh5 $2 { -8.38/26} (63. Kh2 {-2.88/32}) 63... Ra3 64. Rh6+ Kg7 65. f3 Rxb3 {-10.29/27} ( 65... Kxh6 $142 {-25.30/31} 66. Bxf7 Nc5) 66. Rxa6 {KRN-KR} Rb6 67. Ra7 Rc6 68. Kh4 Kf6 69. Ra5 Rc4 70. Rd5 Nc5 71. Kg3 Ne6 72. Ra5 Nxf4 73. Ra6+ Ne6 74. Kf2 c5 75. Rc6 Rd4 76. Ke3 Ke5 77. Ra6 Rd5 78. Ra7 f6 {-15.73/30} (78... f4+ $142 { -#21/31} 79. Kf2 c4 80. Ra1 c3 81. Rc1 Rd3 82. Ke2 Re3+ 83. Kf1 Nd4 84. Kf2 Rxf3+ 85. Kg2 c2 86. Rh1 Rc3 87. Re1+ Kf5 88. Rc1 Ne2 89. Rh1 c1=Q 90. Rxc1 Nxc1 91. Kg1 f3 92. Kf2 Kf4 93. Ke1 Ke3 94. Kf1 Ne2 95. Ke1 Rc1#) 79. Ra6 f4+ { Black mates.} 80. Ke2 c4 81. Ra2 c3 82. Ra4 Rc5 83. Re4+ Kf5 84. Kd1 Ng5 85. Ra4 Nxf3 86. Kc2 Ne5 87. Ra3 f3 {Accuracy: White = 17%, Black = 31%.} 0-1 [Event "2019 Autumn Marathon"] [Site "https://lichess.org/2uQL9P59"] [Date "2019.10.26"] [Round "?"] [White "Aliojin1892"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A01"] [WhiteElo "2064"] [BlackElo "1944"] [Annotator "Tactical Analysis 2.10, TV"] [PlyCount "131"] [EventDate "2019.??.??"] [TimeControl "180+2"] 1. b3 e5 {A01 Nimzo-Larsen Attack: Modern Variation} 2. Bb2 Nc6 3. Nf3 (3. e3 Nf6 (3... d6) 4. Nf3 {1-0 (45) Serrano Salvador,E (2364)-Pinel Mirasierra,J (1919) Madrid 2012}) 3... d6 4. e3 Nf6 5. d4 {A01 Nimzowitsch-Larsen Opening} exd4 {0.85/20} (5... e4 $1 $11 {-0.25/22} 6. Nfd2 (6. d5 Nb4 7. Nfd2 c6 8. dxc6 Nxc6 9. c4 Bf5 10. Nc3 Qd7 11. h3 h5 12. Be2 O-O-O 13. O-O Kb8 14. Nd5 Nxd5 15. cxd5 Ne7 16. Bc4 Rh6 17. f3 Bxh3 18. Rf2 Bf5 19. fxe4 Bg6 20. a4 f6 { Alansacount (2529)-El Shaddai,R (2511) playchess.com INT 2006 1-0 (39)}) 6... Be7) 6. exd4 {-0.18/21} (6. Nxd4 $16 {0.85/20} d5 7. Nxc6 bxc6 8. Nd2) 6... Be7 {0.55/17} (6... d5 $1 $11 {-0.18/21} 7. Bb5 Bd6 8. Ne5 O-O 9. Bxc6 bxc6 10. O-O Bb7 11. Nd3 Ne4 12. Nd2 Ba6 13. Nf3 Re8 14. Re1 Qf6 15. Nfe5 Bxd3 16. Nxd3 Qh4 17. h3 h5 18. f3 Ng5 19. Qd2 Qg3 20. Kf1 h4 21. Rxe8+ Rxe8 {Tuominen,R (2283) -Elomaa,A (2129) Finland 2018 1-0 (90)}) 7. Bd3 $146 {-0.14/21} (7. Be2 $14 { 0.55/17}) (7. d5 Nb8 (7... Nb4 8. c4 Bg4 9. Be2 a5 10. Nc3 O-O 11. O-O Re8 12. Re1 Qd7 13. Nd4 Bxe2 14. Rxe2 Bf8 15. a3 Na6 16. Qd2 Rxe2 17. Ncxe2 Nc5 18. f3 Re8 19. Re1 b6 20. Nc1 g6 21. Rxe8 Qxe8 22. Qe2 {Perez Pacheco,R (2192) -Troffiguer,O (2059) San Sebastian 2017 1/2-1/2}) 8. c4 (8. Be2 O-O 9. O-O a5 10. Nc3 Nbd7 11. a3 Nb6 12. Qd2 c6 13. dxc6 bxc6 14. Nd4 Qc7 15. Bd3 d5 16. h3 Ne8 17. Rfe1 Bf6 18. Nce2 Bd7 19. Bc3 a4 20. Nf5 Bxf5 21. Bxf5 c5 22. Bxf6 Nxf6 {Simons,M (2238)-Muter,D (2131) Sunningdale 2006 0-1}) 8... Bg4 9. Nbd2 Nbd7 10. Be2 O-O 11. h3 Bh5 12. g4 Bg6 13. h4 Ne4 14. h5 Bf6 15. Qc1 Qe7 16. hxg6 fxg6 17. Nxe4 Qxe4 18. Bxf6 Nxf6 19. Qe3 Qxe3 20. fxe3 Nxg4 21. Ng5 Nf6 { Serrano Salvador,E (2364)-Pinel Mirasierra,J (1919) Madrid 2012 1-0 (45)}) 7... O-O $11 8. O-O {-0.07/22} (8. c3 $14 {0.36/19}) 8... Bg4 {0.71/20} (8... Nb4 $11 {-0.07/22}) 9. Nbd2 Nb4 10. Be2 Nbd5 {0.46/22} (10... c6 $11 {-0.28/22}) 11. c4 {-0.14/21} (11. h3 $14 {0.46/22} Bf5 12. Re1) 11... Nf4 12. Re1 { -0.38/21} (12. d5 $14 {0.40/22}) 12... Nxe2+ {0.53/21} (12... c6 $15 {-0.38/21} ) 13. Qxe2 $14 Re8 14. Qd3 {-0.34/23} (14. d5 $14 {0.69/21}) 14... Nd7 {0.88/19 } (14... d5 $15 {-0.34/23 keeps the upper hand.}) 15. Ne4 {-0.26/22} (15. Qe4 $16 {0.88/19} Bxf3 16. Qxf3 (16. Nxf3 c6 $14)) 15... h6 {0.92/23} (15... d5 $11 {-0.26/22} 16. cxd5 Bf5) 16. b4 $2 {-1.06/19 [#]} (16. d5 $1 $16 {0.92/23 and life is bright.}) 16... Nf6 $2 {0.49/23} (16... d5 $17 {-1.06/19} 17. cxd5 Bxb4 ) 17. Ng3 {-0.37/21} (17. d5 $1 $14 {0.49/23}) 17... d5 18. c5 Bf8 {0.92/21} ( 18... Bxf3 $11 {-0.18/21} 19. Qxf3 c6) 19. Nf5 $2 {-0.59/20} (19. Ne5 $1 $16 { 0.92/21}) 19... Qd7 20. Ne3 {-1.48/19} (20. Ng3 $15 {-0.35/24}) 20... Bxf3 $1 $17 21. gxf3 Qh3 {-1.13/22} (21... g6 $142 {-1.55/20} 22. Ng2 Bg7) 22. Qf5 Qxf5 23. Nxf5 g6 24. Ne3 c6 25. a4 Nh5 26. Rab1 {-1.39/22} (26. b5 $142 {-0.93/25}) 26... Nf4 {-0.78/21} (26... a6 $142 {-1.39/22} 27. Kg2 Bg7) 27. Bc3 {-1.66/23} (27. b5 $17 {-0.78/21}) 27... Bg7 {-1.25/23} (27... a6 $19 {-1.66/23} 28. Kf1 h5) 28. b5 Ne6 {-1.23/26} (28... Nd3 $19 {-1.65/25} 29. Red1 Nxc5 $1) 29. Nc2 Nf4 $2 {0.24/24} (29... Nxc5 $1 $17 {-1.40/20} 30. bxc6 (30. dxc5 Bxc3) 30... bxc6 31. dxc5 Bxc3) 30. Ne3 $2 {-1.62/21} (30. Rxe8+ $1 $11 {0.24/24} Rxe8 31. Kf1) 30... Rad8 {-0.36/24} ({Black should try} 30... Ne6 $19 {-1.62/21} 31. bxc6 bxc6) 31. bxc6 {-1.25/20} (31. a5 $15 {-0.36/24}) 31... bxc6 32. Rb7 Ra8 { -0.63/24} (32... Rb8 $17 {-1.38/20} 33. Rxa7 Nd3) 33. Kf1 Reb8 {-0.06/23} ({ Better is} 33... Ne6 $17 {-0.91/23} 34. Nc2 a5) 34. Reb1 $11 Rxb7 35. Rxb7 Ne6 36. Nc2 Bf6 {0.11/22} ({Black should play} 36... Nxc5 $1 $15 {-0.39/24} 37. dxc5 Bxc3) 37. Ke2 Nd8 38. Rc7 a6 {1.18/20} (38... a5 $11 {0.00/22 keeps the balance.}) 39. Nb4 {0.33/24} (39. a5 $1 $16 {1.18/20}) 39... Ne6 $14 40. Rxc6 Bxd4 41. Kd3 Bxc3 $2 {1.90/25} (41... Bxc5 $11 {0.09/22} 42. Nxd5 Bxf2) 42. Kxc3 $11 {Endgame KRN-KRN} Nf4 $2 {4.26/21} (42... d4+ {1.76/26 might work better.} 43. Kc4 a5) 43. Rxa6 $18 Rc8 44. Kd4 $2 {1.04/24} (44. c6 $18 { 4.85/20 and White stays clearly on top.}) 44... Kg7 $2 {5.96/20} (44... Ne6+ $16 {1.04/24 is a better chance.} 45. Kxd5 Rxc5+ 46. Kd6 Rc4) 45. c6 Ne6+ 46. Kxd5 Nc7+ 47. Kd6 Nxa6 48. Kd7 $4 {-1.78/28} (48. Nxa6 $18 {10.16/23 was the only winning move.} Ra8 49. c7 Rxa6+ 50. Ke7) 48... Rc7+ 49. Kd6 {-2.03/27} ( 49. Kd8 $17 {-1.51/28 was the only defense.}) 49... Ra7 $19 50. Nd5 $2 { -5.12/27} (50. Nxa6 $17 {-1.56/25} Rxa6 51. Kc5 Rxa4 52. c7) 50... Nb4 $4 { 5.97/22} (50... Kf8 $19 {-5.12/27 and life is good for Black. Strongly threatening ...Ke8.} 51. a5 Ra8) 51. Nxb4 $18 Rxa4 52. c7 Rxb4 53. c8=Q { [#] White threatens Qc3+ and mate. KQ-KR} Rd4+ 54. Kc5 Rd1 {And now ...Rc1+ would win.} 55. Qe8 Rc1+ 56. Kd4 Rd1+ 57. Kc3 Rc1+ 58. Kd2 Rf1 59. Qe5+ Kh7 60. Qf6 Rxf2+ 61. Ke3 Rxh2 62. Qxf7+ {White mates.} Kh8 63. Kf4 g5+ 64. Kf5 Rf2 65. Kg6 Rxf3 66. Qh7# {Normal. Accuracy: White = 18%, Black = 20%.} 1-0