A01 Nimzowitsch-Larsen Opening (1.b3 e5 2.Bb2 Nc6 3.Nf3)

[Event "Daily Rapid Arena"] [Site "https://lichess.org/vuQLN3Rv"] [Date "2019.09.21"] [Round "?"] [White "Mufwaya"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A01"] [WhiteElo "1644"] [BlackElo "1932"] [Annotator "Tactical Analysis 2.10, TV"] [PlyCount "60"] [EventDate "2019.??.??"] [EventType "rapid"] [TimeControl "600"] 1. b3 (1. Nf3 Nc6 2. b3 e5 {1-0 (48) Eberhard,J-Hopp,B Bad Homburg 2005}) 1... e5 {A01 Nimzo-Larsen Attack: Modern Variation} 2. Bb2 Nc6 3. Nf3 {A01 Nimzowitsch-Larsen Opening} d6 4. d3 (4. c4 g6 5. d4 Bg7 6. dxe5 Be6 7. Nd4 Nxd4 8. Qxd4 Ne7 9. Nc3 Nf5 10. Qd2 dxe5 11. Qxd8+ Rxd8 12. e3 O-O 13. Ne4 Rfe8 14. Rd1 Nh4 15. Rxd8 Rxd8 16. Nd2 Nf5 17. h4 h5 18. Be2 f6 {Karlsson,L (2425) -Olsson,K (2337) Västerås 2014 1-0 (58)}) (4. h3 Nf6 5. d3 h6 6. Ba3 Be7 7. Nc3 d5 8. Bxe7 Qxe7 9. a3 a6 10. Qd2 Be6 11. g4 O-O 12. Nh4 e4 13. Nf5 Bxf5 14. gxf5 d4 15. Na4 exd3 16. cxd3 Qc5 {1-0 (16) Oliveira,L-Matsunaga,L (1798) Cuiaba 2016}) 4... Nf6 5. e3 $146 (5. Nbd2 Be7 6. g3 Bd7 7. Bg2 O-O 8. c4 Rb8 9. c5 b5 10. Rc1 a6 11. a3 h6 12. b4 Nh7 13. Nb3 Bf6 14. Nfd2 Qe8 15. O-O Nd4 16. Nxd4 exd4 17. cxd6 cxd6 18. Nf3 Bc6 19. Nxd4 Bxg2 {Eberhard,J-Hopp,B Bad Homburg 2005 1-0 (48)}) (5. g3 Be7 6. Bg2 Bg4 7. Nbd2 Qd7 8. c4 O-O 9. O-O Bh3 10. d4 Bxg2 11. Kxg2 exd4 12. Nxd4 Nxd4 13. Bxd4 c5 14. Bb2 d5 15. cxd5 Qxd5+ 16. Nf3 Qf5 17. Qb1 Qh5 18. Qc2 Rfd8 19. Rad1 h6 {Majdan,D (1800)-Starzynski,W (1899) Pieczyska 2007 1-0 (41)}) 5... Be7 {0.54/20} (5... g6 $11 {0.00/22}) 6. Nbd2 {-0.11/22} (6. Be2 $14 {0.54/20}) 6... O-O {0.30/21} (6... a5 $142 { -0.11/22}) 7. Be2 {-0.19/22} (7. g3 {0.30/21 deserves consideration.}) 7... Bf5 {0.45/20} (7... Nd7 $11 {-0.19/22}) 8. O-O {-0.21/22} (8. e4 $14 {0.45/20} Bg6 9. Nh4) 8... Re8 {0.63/20} (8... a5 $11 {-0.21/22}) 9. a3 {0.00/22} (9. h3 $14 {0.63/20}) 9... Bf8 {0.67/20} ({Better is} 9... Nd7 $11 {0.00/22}) 10. c4 { 0.00/21} (10. e4 $14 {0.67/20} Bd7 11. b4) 10... e4 {0.49/22} (10... a5 $11 { 0.00/21 might be stronger.}) 11. dxe4 Nxe4 12. Nxe4 {0.25/21} (12. b4 $16 { 0.86/23}) 12... Bxe4 $11 13. Nd4 {-0.56/21} (13. Nd2 $16 {0.73/21}) 13... Ne5 $2 {1.31/18 [#]} (13... d5 $15 {-0.56/21}) 14. Nf3 $2 {-0.44/21} (14. f3 $1 $16 {1.31/18}) 14... Qf6 15. Nd2 Bc6 16. f4 {-0.98/24} (16. Qc2 $11 {0.00/22 keeps the balance.}) 16... Qg6 $40 {0.00/25 Black is up to no good.} (16... Nf3+ $1 $17 {-0.98/24} 17. Bxf3 Qxb2 18. Bxc6 bxc6) 17. Nf3 $2 {-1.62/17 [#]} (17. g3 $11 {0.00/25} Nd3 18. Bd4) 17... Ng4 $1 $19 18. Nh4 Qh5 $2 {0.00/26} ({Black should try} 18... Nxe3 $19 {-1.81/19} 19. Nxg6 Nxd1 20. Bxd1 hxg6) 19. Bxg4 ( 19. g3 {feels hotter.} f5 20. h3 Rxe3 21. Bf3 Rae8 22. hxg4 fxg4 23. Bxc6 Rxg3+ 24. Bg2) 19... Qxh4 20. h3 $2 {-2.12/20} (20. Bd4 $11 {-0.01/24 and White stays safe.}) 20... Rxe3 ({Much less strong is} 20... Qg3 21. Bf3 $17) 21. Qd4 $2 {-7.49/19} (21. Bf3 {-1.65/23}) 21... Rxb3 $2 {-1.95/24} (21... Rae8 { -7.49/19 aiming for ...Qg3.} 22. Qd2 h5) 22. Qxg7+ $2 {-18.12/22} (22. Bc3 { -1.95/24}) 22... Bxg7 23. Bxg7 Kxg7 24. Rae1 Qg3 {Black mates.} 25. Rf2 Re8 26. Rd1 Rbe3 27. Bf3 Bxf3 28. Rxf3 Rxf3 29. Rf1 Rxf1+ 30. Kxf1 Re1# {Normal. Accuracy: White = 20%, Black = 19%.} 0-1