A01 Nimzowitsch-Larsen Opening (1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 d6 5.d4 exd4 6.Qxd4)

[Event "ICC tourney 2287 (3 0)"] [Site "Internet Chess Club"] [Date "2019.02.02"] [Round "3"] [White "eternalwarrior"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A01"] [WhiteElo "1592"] [BlackElo "1429"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "101"] [EventDate "2019.??.??"] 1. b3 e5 {A01 Nimzo-Larsen Attack: Modern Variation} 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 d6 5. d4 exd4 6. Qxd4 {-0.39/24 A01 Nimzowitsch-Larsen Opening} ({White should try} 6. exd4 $14 {0.39/25} Bg4 7. Ne2) 6... Bd7 {0.38/26} (6... Be7 $15 {-0.39/24}) 7. Bxc6 $14 Bxc6 {0.31/24} (7... bxc6 $11 {-0.12/26 deserves consideration.} 8. Ne2 Be7) 8. Nf3 Be7 9. Nc3 O-O {0.66/24} (9... Qd7 $11 { 0.07/26} 10. O-O-O Qg4 11. Rhg1 Qxd4 12. Nxd4 Bd7 13. f3 O-O-O 14. g4 h5 15. g5 Ne8 16. Nd5 Bf8 17. Ne2 c6 18. Ndf4 Nc7 19. e4 Ne6 20. c4 h4 21. Nxe6 fxe6 22. f4 Re8 23. c5 d5 24. b4 a5 {Andreasson,I (2356)-Kleimark,A (2008) Gothenburg 2017 1-0 (58)}) 10. O-O $146 {-0.54/24} (10. O-O-O $14 {0.66/24} Re8 11. e4 Bf8 (11... Ng4 12. Nd5 Bf6 13. Nxf6+ Qxf6 14. Qd2 Qh6 15. Qxh6 Nxh6 16. Nd4 Rxe4 17. f3 Re7 18. Nxc6 bxc6 19. Rhe1 Rae8 20. Rxe7 Rxe7 21. Rd4 Nf5 22. Ra4 h5 23. Rxa7 Nh4 24. a4 Nxg2 25. a5 Ne1 26. a6 {Danilov,I (2357)-Navrotescu,C (2397) Romania 2003 1-0}) 12. Rhe1 a6 (12... Qd7 13. h3 Qe6 14. Nd2 b5 15. Re3 b4 16. Ne2 Bb5 17. Qxb4 Bxe2 18. Rxe2 d5 19. Qa5 dxe4 20. f3 Rad8 21. fxe4 Nd5 22. Rf2 Nb4 23. a3 Nc6 24. Qc3 Nd4 25. Nf3 Qh6+ 26. Kb1 Nb5 27. Qe1 {Ciobanu,C (2262) -Melia,S (2318) Istanbul 2005 1/2-1/2 (38)}) 13. h3 b5 14. g4 Bb7 15. Nd5 Nd7 16. g5 c5 17. Qd2 c4 18. Kb1 Nc5 19. Qf4 Bxd5 20. exd5 cxb3 21. cxb3 Rxe1 22. Nxe1 Qe7 23. Nc2 Qe4 24. Qe3 Qxe3 25. fxe3 {Armonaitis,S (2074)-Gaizauskaite,G (1735) Klaipeda 2013 1-0 (66)}) (10. e4 Re8 11. O-O Bf8 12. Rfe1 Qd7 13. h3 Rad8 14. Nd5 Bxd5 15. exd5 a6 16. Qd3 Rxe1+ 17. Rxe1 Re8 18. Bxf6 Rxe1+ 19. Nxe1 gxf6 20. g4 c6 21. c4 Bh6 22. Nf3 Bc1 23. Qe4 c5 24. Nh4 b5 {Angerer,H (2162)-Wallis,T (2211) Austria 2002 1-0 (35)}) 10... Qd7 {0.23/24} (10... Re8 $15 {-0.54/24}) 11. e4 Qg4 {0.60/23} ({Black should play} 11... Rae8 $11 { 0.00/30}) 12. Rfe1 {0.00/29} (12. h3 $14 {0.60/23} Qh5 13. Rfe1) 12... Nh5 13. Nd5 Bxd5 14. exd5 Qxd4 {0.48/27} (14... Nf4 $11 {0.00/33 might be stronger.} 15. Qxg7+ Qxg7 16. Bxg7 Kxg7 17. Rxe7 Nxd5) 15. Bxd4 Bf6 16. Rad1 Bxd4 17. Rxd4 {0.17/33} (17. Nxd4 $14 {0.61/27 is more appropriate.} Rfe8 18. c4) 17... Nf6 18. c4 Rfe8 19. Rdd1 Kf8 20. Kf1 {0.00/30} (20. Nd4 $14 {0.50/26}) 20... Ne4 21. Nd4 g6 {1.49/24} (21... Nc5 $11 {0.22/30 keeps the balance.}) 22. f3 { 0.21/31} (22. Nb5 $16 {1.49/24}) 22... Nf6 {0.68/25} (22... Nc5 $11 {0.21/31}) 23. Rxe8+ {0.25/29} (23. g4 $14 {0.68/25 is superior.}) 23... Rxe8 {Endgame KRN-KRN} 24. Nb5 Re3 $2 {2.14/29} (24... a6 $1 $11 {0.12/27 and Black stays safe.} 25. Nc3 h6) 25. Re1 $2 {0.28/31} ({Worse is} 25. Nxc7 a6 $14) (25. Nxa7 $6 Ke8 $16) (25. Kf2 $18 {2.14/29} Re5 26. Nxa7 (26. Nxc7 a6 $16)) 25... Rxe1+ $11 26. Kxe1 {KN-KN} Ke7 $2 {2.43/25} (26... a6 $1 $14 {0.54/31} 27. Nd4 (27. Nxc7 Ke7 $11) 27... Ke7) 27. Nxa7 $18 ({Stronger than} 27. Nxc7 a6 $11) 27... Kd7 28. Nb5 c6 29. dxc6+ bxc6 30. Nd4 Kc7 31. Kd2 Nd7 32. Kc3 Nc5 33. b4 Na4+ 34. Kb3 Nb6 35. c5 {1.78/36} (35. b5 $142 {3.06/27}) 35... Nd5 {2.73/29} (35... dxc5 $142 {1.78/36} 36. bxc5 Nd7) 36. cxd6+ Kxd6 37. a4 {1.20/31} (37. Nc2 $18 {2.73/27 and White stays clearly on top.}) 37... Ne3 $2 {2.97/27} (37... c5 $16 {1.20/31 was necessary.}) 38. g3 Nf1 39. a5 Nxh2 $2 {5.45/30} (39... Ne3 { 2.68/33 was called for.} 40. b5 cxb5) 40. a6 {Black must now prevent a7.} Kc7 { [#]} 41. Kc4 $2 {0.09/32} (41. a7 $1 $18 {5.01/31} Kb7 {[#]} 42. Nxc6 $1) 41... Kb6 $11 42. f4 (42. g4 {feels hotter.} h5 43. gxh5 gxh5 44. Kd3 Kxa6 45. Ke2) 42... Kxa6 43. Nxc6 Kb6 44. Nd8 f6 45. Nf7 Nf1 46. Nd6 Nxg3 {Hoping for ...h5.} 47. b5 $2 {-5.53/30} (47. Kd5 $1 $11 {-0.09/32}) 47... Ne2 $2 {-0.09/39} ({ Better is} 47... h5 $19 {-5.53/30} 48. Nc8+ Kb7 49. Nd6+ Kb8) 48. Ne4 {The position is equal.} Nxf4 {Threatens to win with ...f5.} 49. Nxf6 h5 50. Nd7+ Kb7 51. Nc5+ {Accuracy: White = 36%, Black = 19%. . Loss on time!?} 1-0