A00 Irregular Openings (1.b4 e5 2.a3 d5 3.Bb2 Bd6)

[Event "rated standard match"] [Site "Free Internet Chess Server"] [Date "2009.01.09"] [Round "?"] [White "canuto"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1718"] [BlackElo "1992"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "38"] [EventDate "2009.??.??"] 1. b4 e5 2. a3 d5 3. Bb2 Bd6 {A00 Irregular Openings} 4. e3 Nf6 5. d3 (5. d4 Qe7 6. Nf3 Nbd7 7. dxe5 Nxe5 8. Nbd2 O-O 9. Be2 c6 10. O-O a5 11. b5 a4 12. c4 Bf5 13. bxc6 bxc6 14. Nd4 Bd7 15. cxd5 cxd5 16. N2f3 Rab8 17. Ra2 Ne4 18. Nxe5 Bxe5 19. Ba1 Rfd8 {Wilk,K (2125)-Piesik,P (2374) Katowice 2017 0-1 (40)}) (5. Nf3 Qe7 6. c4 c6 7. c5 Bc7 8. d4 e4 9. Nfd2 Ng4 10. g3 Qg5 11. Qe2 Nxh2 12. Rxh2 Bg4 13. Nxe4 dxe4 14. Qc2 f5 15. Bc4 Nd7 16. Nc3 {1/2-1/2 (16) Graf,M (1834)-Rabus,B (2141) Feffernitz 2018}) 5... O-O {-0.36/25} (5... a5 $17 { -0.92/21} 6. b5 Qe7) 6. Nd2 $146 {-1.23/22} ({White should try} 6. Nf3 $15 { -0.36/25}) (6. c4 dxc4 7. dxc4 c5 8. bxc5 Bc7 9. Qxd8 Rxd8 10. Nf3 Nc6 11. Be2 Ne4 12. O-O Nxc5 13. Nc3 Be6 14. Nb5 Rac8 15. Nxc7 Rxc7 16. Bxe5 Nxe5 17. Nxe5 f6 18. Nf3 Nb3 19. Rad1 Rxd1 20. Rxd1 Bxc4 {Egerland,E (2230)-Molnar,S Bratislava 1990 1/2-1/2}) 6... Bf5 {-0.08/26} (6... Re8 $17 {-1.23/22} 7. Ngf3 a5) 7. h3 {-1.13/22} (7. Be2 $11 {-0.08/26 keeps the balance.}) 7... Nbd7 { -0.33/26} (7... a5 $17 {-1.13/22}) 8. c4 $15 {Black is slightly better.} c6 9. c5 {-0.94/23} (9. Ngf3 $15 {-0.33/26}) 9... Bc7 {-0.52/26} ({Black should play } 9... Bb8 $17 {-0.94/23}) 10. Qb3 {-1.48/25 [#]} (10. Ngf3 $15 {-0.52/26}) 10... b6 {-0.65/25} (10... d4 $1 $17 {-1.48/25} 11. e4 (11. exd4 Re8) 11... Be6 ) 11. d4 $2 {-2.89/23} (11. cxb6 $1 $15 {-0.65/25} axb6 12. Ngf3) 11... exd4 $19 12. Bxd4 Rb8 $2 {-1.09/26} (12... bxc5 $19 {-3.73/21} 13. bxc5 Ba5) 13. Bd3 {-2.15/24 [#]} (13. cxb6 $17 {-1.09/26} axb6 14. Ngf3) 13... Ne4 $36 {-1.01/28 White is under strong pressure.} (13... bxc5 $1 $19 {-2.15/24 and Black stays clearly on top. Hoping for ...Bxd3.} 14. Bxf5 cxd4 15. exd4 a5) 14. Bxe4 { -1.73/25} (14. cxb6 $17 {-1.01/28} axb6 15. Rd1) 14... dxe4 (14... Bxe4 15. Nxe4 dxe4 16. cxb6 $11) 15. Qc3 {-2.22/22} (15. cxb6 $17 {-1.34/28 keeps fighting.} axb6 16. Ne2) 15... Qg5 $2 {-0.54/28} (15... bxc5 $19 {-2.22/22} 16. bxc5 (16. Bxg7 $2 Re8 $19) 16... Re8) 16. g4 $15 {[#] Threatening cxb6.} Bg6 $2 {0.35/25} (16... Be6 $1 $17 {-1.33/25 And now ...bxc5 would win.} 17. cxb6 Bxb6 ) 17. cxb6 $1 $14 ({Much worse is} 17. Bxg7 Rfd8 $15) 17... Bxb6 {0.41/25} ( 17... Nxb6 $11 {0.00/26 should be considered.} 18. Ne2 (18. Qxc6 Rfc8 $11) (18. Bxg7 Nd5 $17) 18... Rfc8) 18. Bxb6 $2 {-1.58/21} (18. Bxg7 $14 {0.41/25 was the only good move.} Rfc8 19. Ne2) 18... Rxb6 $2 {0.00/27} (18... axb6 $17 { -1.58/21} 19. Ne2 c5) 19. Qxc6 $2 {-16.20/20} (19. Ne2 $11 {0.00/27}) 19... Rxc6 {Accuracy: White = 21%, Black = 21%.} 0-1 [Event "Maximum ! - Round 1"] [Site "Chess.com"] [Date "2014.09.11"] [Round "?"] [White "chi324"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1254"] [BlackElo "1860"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "30"] [EventDate "2014.??.??"] 1. b4 e5 2. a3 d5 3. Bb2 Bd6 {A00 Irregular Openings} 4. f4 Qe7 5. fxe5 Bxe5 6. Bxe5 Qxe5 7. d4 $146 {-1.48/23} (7. Nc3 $142 {-0.71/26} d4 8. Nf3 Qf6 9. Nb5 Na6 10. Nbxd4 Ne7 11. e3 O-O 12. Bd3 c5 13. bxc5 Nxc5 14. O-O Nxd3 15. cxd3 Qa6 16. Qb3 Bd7 17. a4 Be8 18. Nb5 Qa5 19. Rab1 a6 20. Nc3 Bc6 21. e4 Rab8 22. d4 { Paschenko,P-Basov,G Astrakhan 2011 0-1 (63)}) 7... Qe3 {-0.60/28} ({Better is} 7... Qe7 $17 {-1.48/23} 8. Nc3 Nf6) 8. Qd3 {-2.09/24} ({White should try} 8. Qd2 $15 {-0.60/28} Qe7 9. Nc3) 8... Qc1+ $19 9. Qd1 {[#]} Qb2 $1 10. Nd2 Qxd4 11. Ngf3 Qe3 12. c4 Be6 {-1.21/27} (12... Nf6 $19 {-2.13/22 And now ...Ng4 would win.} 13. cxd5 O-O) 13. cxd5 {-2.20/23} (13. Qb3 $17 {-1.21/27 keeps fighting.} Qxb3 14. Nxb3) 13... Bxd5 14. Qc2 c6 15. Nc4 Bxc4 {Accuracy: White = 33%, Black = 44%.} 0-1