A00 Irregular Openings (1.Nc3 Nf6)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.09"] [Round "?"] [White "Willow"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "112"] [EventDate "2001.07.05"] 1. Nc3 Nf6 {A00 Irregular Openings} 2. Nb5 d5 3. c3 Bd7 4. e3 Bc6 5. d4 Qd7 { 0.21/27} (5... e6 $15 {-0.50/25}) 6. Qb3 {-0.57/24} (6. Nf3 $11 {0.21/27}) 6... e6 {-0.02/24} (6... a6 $15 {-0.57/24} 7. Na3 Qf5) 7. Nf3 $11 Bd6 {0.41/25} ( 7... a6 $15 {-0.49/26} 8. Na3 Bd6) 8. Bd3 {-0.05/27} (8. Nxd6+ $14 {0.41/25} cxd6 9. a4) 8... Ne4 {0.71/23} (8... Be7 $11 {-0.05/27}) 9. Nxd6+ {0.07/27} (9. a4 $16 {0.71/23}) 9... Nxd6 {0.76/27} (9... cxd6 $11 {0.07/27} 10. a4 O-O) 10. Ne5 Qe7 11. a4 {0.37/26} ({White should play} 11. Qc2 $16 {0.83/23}) 11... b6 { 1.07/25} (11... f6 $14 {0.37/26} 12. Nxc6 Nxc6) 12. Nxc6 Nxc6 13. a5 {-0.04/28} (13. Qc2 $16 {0.98/23}) 13... Nxa5 14. Qa4+ Qd7 15. Qxd7+ {-1.05/28} (15. Qc2 $11 {0.00/30 remains equal.}) 15... Kxd7 $17 16. Ra3 {-1.30/24} (16. Bc2 $142 { -0.79/26}) 16... Nac4 {-0.79/28} (16... Nc6 $142 {-1.30/24} 17. O-O a5) 17. Ra6 {-1.47/25} (17. Ra1 $142 {-0.79/28}) 17... Na5 18. Bc2 {-2.27/28} (18. b4 $17 { -1.44/30} Nac4 19. f3) 18... Kc8 19. Rxa5 bxa5 20. Bd3 {-3.27/25} (20. f3 $142 {-2.18/27}) 20... Nb7 {-1.87/30} (20... Rb8 $142 {-3.27/25} 21. Bc2 Kd7) 21. Ba6 {-3.23/24} (21. Kd1 {-1.87/30 might work better.}) 21... Kb8 {-1.81/30} ( 21... Rb8 $142 {-3.23/24} 22. f3 Kd7 23. Bb5+ c6) 22. Bxb7 {-3.26/26} (22. c4 $142 {-1.81/30}) 22... Kxb7 $19 {Endgame KRR-KRB} 23. b3 Kb6 24. g4 c5 25. f3 Kc6 26. dxc5 {-6.30/25} (26. Kd1 $142 {-3.98/26}) 26... Kxc5 27. f4 {-5.91/28} (27. Kd2 {-3.76/27 keeps fighting.}) 27... Rab8 28. b4+ axb4 29. c4 Kxc4 30. O-O a5 31. Bb2 f6 32. Rc1+ Kd3 33. Kf1 Kxe3 34. Rd1 Kxf4 35. Ke2 Kxg4 36. Rd4+ Kf5 37. Rd3 Rhc8 38. Rf3+ Kg6 39. Bd4 Kf7 40. Be5 Ra8 41. Kd2 a4 42. Rg3 fxe5 { Black mates.} 43. Rg1 Rc3 44. Rf1+ Ke7 45. Rg1 g6 46. Rg4 Rc4 47. Rg5 Kf6 48. Rg3 b3 49. h3 b2 50. Rg1 a3 51. Rf1+ Ke7 52. Ke3 a2 53. Kf2 b1=Q 54. Rxb1 axb1=Q 55. h4 Rc3 56. h5 Ra2# {Accuracy: White = 3%, Black = 38%.} 0-1 [Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.28"] [Round "?"] [White "Willow"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "164"] [EventDate "2001.07.05"] 1. Nc3 Nf6 {A00 Irregular Openings} 2. e3 d5 (2... c5 3. Nce2 e5 4. Ng3 h5 5. c3 h4 6. N3e2 d5 7. d3 Nc6 8. h3 Bf5 9. b3 Bd6 10. Bb2 Qe7 11. g4 hxg3 12. Nxg3 Be6 13. Bg2 O-O-O 14. c4 Bc7 15. cxd5 Nxd5 16. a3 f5 17. Bxd5 {Harrison, H-Illingworth,M Ballarat 2017 0-1}) 3. Be2 $146 (3. b4 e5 4. Bb2 Bxb4 5. Nb5 a6 6. Nc3 Bd6 7. Qf3 Bg4 8. Qg3 e4 9. Qh4 Be6 10. d4 Be7 11. Nh3 Ng4 12. Qh5 g6 13. Qxg4 Bxg4 14. Nf4 c6 15. f3 exf3 16. gxf3 Bxf3 17. Rg1 Qa5 {Ayaso, F-Alexopoulos,G (2235) New Rochelle 1989 0-1 (34)}) (3. Nce2 c5 4. Ng3 Nc6 5. Nf3 g6 6. c3 Bg7 7. Bb5 O-O 8. O-O Qc7 9. d4 cxd4 10. exd4 a6 11. Bd3 e5 12. dxe5 Nxe5 13. Bf4 Nxf3+ 14. Qxf3 Qb6 15. Qe2 h5 16. Qd2 h4 17. Ne2 h3 {Buedel, J (1702)-Wichard,H (1875) Dortmund 2006 1-0 (31)}) (3. a3 c5 4. Qe2 Nc6 5. Nd1 Qc7 6. f3 Bf5 7. d3 O-O-O 8. Nf2 e5 9. Bd2 Bd6 10. e4 Nd4 11. Qd1 Bg6 12. c3 Ne6 13. Qa4 Kb8 14. g3 dxe4 15. dxe4 Nd7 16. b4 Nb6 17. Qb3 c4 {Bosch,K (2111) -Hesse,M (1528) Nuremberg 2004 1-0}) 3... g6 4. Nb5 Bg7 5. c4 c6 {-0.20/24} ({ Black should try} 5... dxc4 $17 {-0.95/24} 6. Bxc4 c5) 6. Nc7+ $2 {-4.57/24 [#] } (6. Nc3 $11 {-0.20/24 and White stays safe.}) 6... Qxc7 $19 7. Nf3 O-O 8. Ng5 {Black is clearly winning.} Bf5 9. g4 Be4 10. f3 Bh6 {-1.78/24} (10... Bxf3 $142 $1 {-3.09/23} 11. Nxf3 (11. Bxf3 dxc4) 11... Nxg4 12. cxd5 cxd5) 11. Nxh7 $2 {-5.27/25 [#]} (11. Nh3 {-1.78/24 nothing else works.}) 11... Kxh7 12. fxe4 Nxe4 13. Qb3 Nd7 14. cxd5 cxd5 15. Qxd5 Nd6 16. g5 Bg7 17. Bd3 {-5.95/23} (17. h4 $142 {-3.95/25}) 17... Qc5 18. Qxc5 Nxc5 19. Bc2 Rac8 20. h3 f6 21. h4 Kg8 22. h5 $2 {-5.22/26} (22. Bxg6 {-3.20/27 was necessary.} fxg5 23. hxg5) 22... gxh5 23. Rxh5 fxg5 24. Bh7+ {-5.49/26} (24. Rxg5 $142 {-3.47/27} Rf3 25. Rg1) 24... Kf7 25. Rxg5 Rh8 26. Bc2 Bf6 27. Rg1 Rcg8 28. Rf1 $2 {-7.14/24} (28. Rxg8 {-3.94/26} Kxg8 29. Rb1) 28... Rg5 29. b4 Ne6 30. Bb2 Rhg8 31. Bc3 Rg1 32. O-O-O Rxf1 33. Rxf1 Rg6 $2 {0.12/31} (33... Rg5 $19 {-2.51/28 Threatens to win with ...Kg7.} 34. Bb3 Rf5 35. Rxf5 Nxf5) 34. Bxg6+ Kxg6 35. Bxf6 exf6 36. d3 f5 37. Rg1+ Kf6 38. Rg8 Nb5 39. Rb8 b6 40. Rb7 f4 41. exf4 Nxf4 42. Kd2 Nd5 43. Rb8 Nxb4 44. Rf8+ Ke6 45. Rf4 $2 {-6.34/30} (45. a4 $15 {-0.64/33} Nc7 46. Rh8) 45... Nxa2 46. Re4+ Kd5 47. Rh4 Kc6 48. Ke1 Nac3 49. Rc4+ Kb7 50. Rg4 a5 51. Rg7+ Kc6 52. Rg6+ Kc5 53. Rg5+ Kb4 {Black mates.} 54. Rg4+ Kb3 55. Kd2 a4 56. Rg6 Nd5 57. Rg5 Nbc3 58. Rg1 a3 59. Ra1 Kb2 60. Rf1 a2 61. Ra1 Kxa1 62. Kc2 b5 63. Kc1 b4 64. Kc2 Na4 65. Kb3 Nac3 66. Kc2 Ne3+ 67. Kd2 Kb2 68. Kxe3 a1=Q { Endgame} 69. Kf3 Qc1 70. Kg3 Qe3+ 71. Kg4 Qxd3 72. Kg5 Ne4+ 73. Kf5 Qf3+ 74. Ke6 Qf6+ 75. Kd5 Qf5+ 76. Kc6 b3 77. Kb7 Kc2 78. Kc6 b2 79. Kc7 b1=Q 80. Kd8 Qb6+ 81. Ke7 Qh7+ 82. Kf8 Qb8# {Accuracy: White = 19%, Black = 45%.} 0-1 [Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.06.04"] [Round "?"] [White "André"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "80"] [EventDate "2002.??.??"] 1. Nc3 Nf6 {A00 Irregular Openings} 2. f3 (2. b3 e6 3. Bb2 d5 4. e3 Be7 5. d4 O-O 6. Nf3 Nbd7 7. Be2 b6 8. O-O c5 9. Qd2 Bb7 10. Rad1 Rc8 11. h3 h6 12. a3 a6 13. Kh1 Qc7 14. dxc5 bxc5 15. Qc1 Rfd8 16. Na2 Ne4 {Gregorova,Z-Gregor,M (2100) Bratislava 2000 1/2-1/2}) 2... c5 $146 (2... d5 3. Na4 e5 4. Nc3 c6 5. Nh3 Bf5 6. Ng5 d4 7. Na4 b5 8. d3 bxa4 9. Bd2 Be7 10. Kf2 Nd5 11. Qe1 Bxg5 12. Ba5 Qf6 13. Bc7 Nxc7 14. Qb4 Be3+ 15. Kg3 Qg5# {0-1 (15) Hahn,S-Gerekova,E Karvina 2013 }) (2... g6 3. Nh3 Bg7 4. d4 d6 5. Nf2 O-O 6. e4 c5 7. Be3 cxd4 8. Bxd4 Nc6 9. Be3 Be6 10. Qd2 Re8 11. O-O-O Qa5 12. Kb1 Rac8 13. Nd3 Bc4 14. Nf4 Bxf1 15. Rhxf1 Ne5 16. Ncd5 Qxd2 {1/2-1/2 (16) Martins da Silva,J-Pereira Neto,M Rio de Janeiro 2000}) 3. Nb1 Nc6 4. d3 d5 5. Nh3 e5 {-0.81/23} ({Better is} 5... Qa5+ {-1.30/22} 6. Qd2 Qb6) 6. a3 {-2.15/24} (6. Nf2 $17 {-0.81/23}) 6... Bxh3 $19 7. f4 $2 {-6.00/23} (7. gxh3 {-1.84/23} Nh5 8. Qd2) 7... Bf5 8. c4 {Black is clearly winning.} exf4 9. cxd5 Nxd5 10. Qb3 Be6 {[#] Strongly threatening ... Qh4+.} 11. Qxb7 Rb8 $2 {-1.82/24} (11... Nd4 {-10.15/23} 12. Nc3 Rb8 13. Qxa7 Nc2+ 14. Kf2 Nxa1 15. Qa4+ Qd7 16. Qxd7+ Kxd7) 12. Qxc6+ Qd7 13. Qxd7+ Bxd7 { -1.19/32} (13... Kxd7 $19 {-2.03/27} 14. g3 fxg3 15. hxg3 Bd6) 14. a4 {-2.47/ 23 [#]} (14. g3 $17 {-1.19/32}) 14... Nb4 $2 {-0.95/29} (14... c4 $1 $19 { -2.47/23 and Black stays clearly on top. Hoping for ...Ne3.} 15. Nc3 (15. dxc4 Ne3) 15... Bb4) 15. Bd2 $2 {-7.02/23} (15. Bxf4 $17 {-0.95/29} Nc2+ 16. Kd1 Rxb2 17. Bc1 Nxa1 18. Bxb2 Bxa4+ 19. Ke1 Nc2+ 20. Kf2) 15... Nc2+ 16. Kf2 Nxa1 17. Ba5 Nb3 18. Rg1 Nxa5 19. g3 fxg3+ 20. Rxg3 Rxb2 21. Rh3 c4 {And now ... Bc5+ would win.} 22. Re3+ Be7 23. Bh3 Bxh3 24. Rxe7+ Kxe7 {Black mates.} 25. dxc4 Nxc4 26. Na3 Nxa3 27. a5 Re8 28. a6 Kf8 29. Kg3 Bc8 30. e4 Rxe4 31. Kf3 Reb4 32. Ke3 R2b3+ 33. Kd2 Rd4+ 34. Ke2 Nb5 35. h4 Rc4 36. Kd2 Ra4 37. Kc2 Rh3 38. Kb2 Rg4 39. Kc1 Rg2 40. h5 Rh1# {Accuracy: White = 6%, Black = 36%.} 0-1