A00 Irregular Openings (1.g4 d5 2.Bg2 Bxg4 3.c4 c6 4.cxd5 cxd5 5.Qb3)

[Event "Rated game, 5m + 0s"] [Site "Official A"] [Date "2008.07.11"] [Round "?"] [White "Rib"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1773"] [BlackElo "1716"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "27"] [EventDate "2008.06.09"] [SourceTitle "playchess.com"] 1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 {A00 Irregular Openings [#]} Nc6 {0.22/25} ({Black should play} 5... Nf6 $1 $17 {-1.27/25} 6. Nc3 e6 (6... Qb6 7. Qxb6 axb6 8. Nxd5 Nxd5 9. Bxd5 Nc6 10. h3 Bh5 11. a3 e6 12. Be4 Ra5 13. d3 Bg6 14. Bg2 Kd7 15. Nf3 b5 16. Bd2 Ra4 17. O-O Bh5 18. e3 Bxf3 19. Bxf3 Rh4 20. Kg2 g5 21. d4 {Schlusnik,N (2225)-Pergel,L (2210) Budapest 1996 1-0 (44)})) 6. Bxd5 $11 e6 $146 (6... Qd7 7. Bxf7+ Kd8 8. Bxg8 Nd4 9. Qd5 Nc2+ 10. Kd1 Nxa1 11. Qxd7+ Bxd7 12. Bd5 e6 13. Bc4 b5 14. Bd3 a5 {1/2-1/2 (14) Soulie,C (2073) -Engelen,J (1953) Brest 2012}) 7. Qxb7 Rc8 $2 {6.90/23} (7... exd5 $11 { -0.07/26} 8. Qxc6+ Bd7 9. Qxd5 Ne7) 8. Bxc6+ $18 {White is clearly winning.} Rxc6 9. Qxc6+ Ke7 10. Nf3 Nf6 11. Nc3 g6 12. Qb7+ Nd7 13. Qb4+ Kf6 14. Qxg4 1-0 [Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2014.03.11"] [Round "?"] [White "FueR"] [Black "Vierjoki, Timo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1329"] [BlackElo "1494"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "137"] [EventDate "2014.??.??"] [EventType "blitz"] 1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 {A00 Irregular Openings} e6 $2 {1.78/22} (5... Nf6 $1 $17 {-1.40/27 keeps the pressure on.} 6. Nc3 e6) 6. Qa4+ $18 Nc6 {And now ...Nf6 would win.} (6... Qd7 7. Qxg4 Nf6 8. Qd4 Nc6 9. Qa4 Rc8 10. Nc3 Nb4 11. Qxd7+ Nxd7 12. Kd1 Bc5 13. f4 O-O 14. Nf3 Bd6 15. a3 Nc6 16. e3 Nc5 17. Nb5 Be7 18. b4 Ne4 19. Rg1 a5 20. Bb2 g6 21. Ne5 {Eddershaw, J (103)-Anilkumar,A (95) Aberystwyth 2014 1-0 (78)}) 7. Qxg4 Nf6 {2.28/23} ( 7... Nb4 $16 {1.57/28}) 8. Qa4 {White is clearly better.} Bd6 9. Nc3 $146 (9. Nf3 O-O 10. Nc3 e5 (10... a6 11. O-O b5 12. Qh4 Ne7 13. d3 Ng6 14. Qh3 b4 15. Na4 Qa5 16. b3 Rac8 17. Be3 e5 18. Bb6 Qb5 19. Rac1 Nf4 20. Qxc8 Nxe2+ 21. Kh1 Rxc8 22. Rxc8+ Bf8 23. Nxe5 Nd7 24. Nxd7 Qxd7 25. Rd8 {Accardo,F (1865) -Capozzoli,S (1949) Napoli 2008 1/2-1/2 (37)}) 11. d3 e4 12. dxe4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bb4+ 15. Bd2 Bxd2+ 16. Nxd2 Re8 17. Qa4 Nd4 18. e3 Qh4 19. Kf1 Rxe3 20. fxe3 Qf6+ 21. Ke1 Qh4+ 22. Kd1 Qh5+ 23. Kc1 Rc8+ {Djukic,M (2115) -Prelevic,D (2320) Belgrade 2006 1-0}) (9. d4 O-O 10. Nf3 Rc8 11. Nc3 Qb6 12. O-O Na5 13. Qb5 Qc7 14. h3 a6 15. Qd3 Nc4 16. e4 dxe4 17. Nxe4 Nd5 18. b3 Ncb6 19. Nfg5 Nf4 20. Bxf4 Bxf4 21. Nf6+ {1-0 (21) Vasilev,S (2091)-Lazo,J (2053) Calgary 2009}) 9... O-O 10. e3 Ne5 {2.21/24} (10... Rc8 $142 {1.72/26} 11. Nf3 a6) 11. Qc2 Rc8 12. Nge2 b5 {...b4 would now be nice for Black.} 13. a3 a5 { 2.47/24} (13... Ng6 $142 {1.67/24} 14. f4 Nh4) 14. Qb1 b4 15. Nb5 Be7 {2.65/24} (15... b3 $142 {1.84/26} 16. f4 Ng6) 16. a4 Qb6 17. b3 Rc6 18. Bb2 Ned7 19. Bd4 Bc5 20. Qb2 Rfc8 21. O-O Bxd4 22. Qxd4 (22. exd4 Rc2 $16) (22. Nexd4 Rc5) 22... Qxd4 {4.40/26} (22... Nc5 $142 {2.77/28} 23. Rab1 h6) 23. Nexd4 (23. Nbxd4 R6c7 $18) 23... Rb6 24. Rfc1 Rxc1+ 25. Rxc1 g6 26. Rc6 Rb7 27. Nd6 Ra7 28. N4b5 Ra8 29. Rc8+ {2.86/29} (29. d4 $142 {6.25/28} Kf8 30. Rc7) 29... Rxc8 30. Nxc8 Nc5 31. Nd4 e5 32. Nc6 Nxb3 33. N6e7+ $2 {0.60/28} ({Don't play} 33. Nxe5 $6 Nxd2 34. Ne7+ Kf8 $16) (33. N8e7+ $18 {2.87/30} Kg7 34. Kf1 (34. Nxe5 Nxd2 35. Nxd5 b3 $18)) 33... Kg7 {1.34/27} ({Black should play} 33... Kf8 $1 $14 {0.60/28}) 34. Nxd5 {0.00/34} ({Only move:} 34. Kf1 $1 $16 {1.34/27}) 34... Nxd5 $11 35. Bxd5 Nc5 $2 {3.25/30} (35... Nxd2 $11 {0.00/34 and Black is okay.} 36. Nd6 b3) 36. Nb6 $18 b3 37. Kf1 b2 38. Ba2 Kf6 {4.37/26} (38... e4 {2.96/33 was necessary.} 39. Ke2 Nd3) 39. Ke2 Ke7 40. Kd1 Kd6 41. Kc2 e4 42. Kc3 Kc6 43. Nc4 Nxa4+ 44. Kb3 Nc5+ 45. Kxb2 Nd3+ 46. Kc3 Nxf2 47. d4 {1.76/32} (47. Nxa5+ $142 {3.98/28} Kb6 48. Nc4+ (48. Bxf7 Kxa5 49. Kd4 g5 $18) 48... Kc7 49. Nb2) 47... exd3 48. Nd2 $2 {0.08/35} ({White should try} 48. Nxa5+ $18 {1.87/24} Kb5 49. Nb3) 48... Kd6 $2 {2.05/23} (48... f6 $11 {0.08/35 and Black stays safe.}) 49. Bxf7 Ke5 50. Bg8 h6 {2.14/29} (50... h5 {1.68/34 is a better defense.} 51. Nc4+ Kf5) 51. Bf7 g5 {2.91/33} (51... Ng4 $142 {1.71/35} 52. Bxg6 Nxe3 53. Bxd3 (53. Kxd3 Ng4 $16) 53... Kf4) 52. Bh5 a4 53. Nf3+ $2 {0.08/41} (53. Bf3 $18 {2.75/33 }) 53... Ke4 $11 54. Nd2+ Kxe3 55. Nc4+ Kf4 56. Nb2 $2 {-4.22/31 [#]} (56. Be8 $11 {0.00/44}) 56... a3 $2 {-0.08/30} (56... d2 $1 $19 {-4.22/31 Strongly threatening ...a3.} 57. Nxa4 (57. Kxd2 a3) 57... d1=Q 58. Bxd1 Nxd1+ 59. Kd2 Ne3) 57. Nc4 {The position is equal.} a2 58. Kb2 Ne4 {Threatens to win with ... g4.} 59. Kxa2 d2 60. Kb2 Nf2 61. Kc2 d1=Q+ 62. Bxd1 Nxd1 63. Kxd1 {Endgame KN-KPP} Kf3 64. Ne5+ Kg2 65. Nf7 Kxh2 66. Nxh6 Kh3 67. Ke2 g4 68. Kf2 g3+ 69. Kg1 {Accuracy: White = 46%, Black = 33%.} 1/2-1/2 [Event "Rated Bullet game"] [Site "https://lichess.org/TR5ek6do"] [Date "2019.10.24"] [Round "?"] [White "immunis"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1686"] [BlackElo "1868"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "62"] [EventDate "2019.??.??"] 1. g4 d5 2. Bg2 Bxg4 3. c4 {A00 Grob Opening: Grob Gambit, Fritz Gambit} c6 4. cxd5 cxd5 5. Qb3 {A00 Irregular Openings} Qb6 $2 {-0.06/23 [#]} (5... Nf6 $1 $19 {-1.82/17 White should prevent ...Qd7.} 6. Qxb7 (6. Nc3 Qb6 7. Qxb6 axb6 8. Nxd5 Nxd5 9. Bxd5 Nc6 10. h3 Bh5 11. a3 e6 12. Be4 Ra5 13. d3 Bg6 14. Bg2 Kd7 15. Nf3 b5 16. Bd2 Ra4 17. O-O Bh5 18. e3 Bxf3 19. Bxf3 Rh4 20. Kg2 g5 { Schlusnik,N (2225)-Pergel,L (2210) Budapest 1996 1-0 (44)}) 6... Nbd7) 6. Qxd5 $146 {-0.70/20} ({White should try} 6. Qxb6 $11 {-0.06/23} axb6 7. Bxd5 Nc6 8. Nc3 (8. f3 Bd7 9. Bb3 Nd4 10. Bd1 e5 11. Nc3 Bc6 12. Kf2 Bc5 13. e3 Ne6 14. Ne4 Ne7 15. Ne2 f5 16. Nxc5 bxc5 17. a3 b5 18. Rg1 O-O 19. b3 Nd5 20. Bb2 e4 21. f4 Ra7 22. Nc3 c4 {Valdimarsson,E (2029)-Sigurvaldason,H (1426) Reykjavik 2016 1-0 (32)}) 8... Nf6 9. Bxc6+ bxc6 10. f3 Bh5 11. Nh3 e5 12. Rg1 Bg6 13. b3 Bc5 14. e3 Nd5 15. Nxd5 cxd5 16. Bb2 f6 17. f4 Bf5 18. Rg3 Bxh3 19. Rxh3 exf4 20. exf4 Kf7 21. Kf1 g6 22. a3 {Tomcik,M-Svitojus,Z Mureck 2008 0-1 (38)}) (6. Bxd5 Qxb3 7. Bxb3 Nc6 8. Nc3 Nf6 9. d3 e6 10. h3 Bh5 11. a3 a6 12. Bf4 Nd4 13. Ba4+ b5 14. Bd1 Rc8 15. f3 Be7 16. e3 Nc6 17. Kf2 e5 18. Bg3 Rd8 19. Bc2 O-O 20. Nge2 b4 {Piksrys,R (1547)-Lengvinas,M Vilnius 2017 1-0 (56)}) 6... Nc6 $15 7. Nc3 {-1.00/18} (7. h3 $15 {-0.50/22} Be6 8. Qg5) 7... Nf6 {-0.39/23} (7... e5 $17 {-1.00/18} 8. Qc4 Nf6) 8. Qg5 $2 {-2.20/16} (8. Qb5 $15 {-0.39/23}) 8... e6 $2 {-0.51/21} (8... Nd4 $19 {-2.20/16} 9. Kf1 Rc8) 9. a3 $2 {-3.63/17} ({ White should play} 9. Qb5 $15 {-0.51/21}) 9... Be7 $2 {-1.06/23} (9... Nd4 $19 {-3.63/17} 10. Kf1 h6) 10. Qf4 $2 {-3.11/18} (10. Qb5 $17 {-1.06/23 was called for.}) 10... O-O {-1.34/21} (10... Nd4 $19 {-3.11/18 is more deadly.} 11. Kf1 Bd6) 11. h3 {-1.97/20} (11. Nf3 $17 {-1.34/21}) 11... Bf5 {-1.34/21} ({Better is} 11... e5 $19 {-1.97/20} 12. Qg3 Bd7) 12. e4 $2 {-3.74/20} (12. Nf3 $17 { -1.34/21}) 12... Bg6 13. h4 $2 {-7.57/22} (13. Nge2 {-3.25/22} Rfd8 14. d4) 13... Nh5 $19 14. Qg4 Bc5 15. Nh3 Qc7 16. d3 Ne5 17. Qe2 Rad8 18. Nf4 Nxf4 19. Bxf4 Nxd3+ 20. Kf1 {-13.04/20} (20. Qxd3 $142 {-5.17/21} Qxf4 21. Qc2) 20... Nxf4 21. Qc4 Qe5 22. b4 Bb6 {[#] Threatens to win with ...Rd2.} 23. Re1 Nxg2 24. Kxg2 Qf4 25. h5 Qxf2+ 26. Kh3 Bxh5 {-25.53/24} (26... Bc7 $142 $1 {-#7/29} 27. Re3 (27. Qxc7 Rd3+) 27... Qxe3+ 28. Kg2 Rd2+ 29. Qe2 Rxe2+ 30. Nxe2 Qxe2+ 31. Kh3 Qf3+ 32. Kh4 Qxh5#) 27. Ref1 Qe3+ 28. Kh4 Bf3 29. Rh3 g5+ 30. Kg3 Be2+ {-36.06/25} (30... Qf4# $142 {-#1/46}) 31. Rf3 Qxf3+ {-27.09/1 Accuracy: White = 8%, Black = 14%.} (31... Qg1# $142 {-#1/72}) 0-1