A00 Irregular Openings (1.g3 Nf6 2.Bg2 e5 3.d3)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2003.01.06"] [Round "?"] [White "Roxy"] [Black "Vierjoki, Timo"] [Result "1/2-1/2"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "150"] [EventDate "1.??.??"] 1. g3 Nf6 2. Bg2 e5 3. d3 {A00 Irregular Openings} c6 4. Nf3 Qc7 (4... d6 5. O-O Be7 6. a3 (6. e4 Be6 7. Nc3 O-O 8. h3 a5 9. d4 Nfd7 10. Be3 Bc4 11. Re1 g6 12. Qd2 Bf6 13. Rad1 Qe7 14. h4 Rd8 15. Nh2 c5 16. dxc5 Nxc5 17. Ng4 Rd7 18. Bh3 Bg7 19. Nh6+ Bxh6 20. Bxh6 Ne6 {Ibarra Jerez,J (2569)-Redondo Benavente,A (2136) La Roda 2018 1-0 (46)}) 6... a5 7. b3 O-O 8. Bb2 b5 9. e4 Nbd7 10. Nc3 Bb7 11. Re1 Re8 12. Qd2 Bf8 13. Rad1 b4 14. axb4 axb4 15. Nb1 Qb6 16. Qc1 Qc7 17. Nbd2 d5 18. Re2 dxe4 {1/2-1/2 (18) Jacobsen,B (2295)-Pedersen,E (2415) Randers 1990}) 5. O-O $146 (5. e4 d5 6. exd5 (6. Nbd2 h6 7. O-O Be6 8. Re1 d4 9. Nh4 g6 10. Nf1 Bd6 11. c3 c5 12. f4 Bg4 13. Qc2 Nc6 14. f5 g5 15. Nf3 Bxf3 16. Bxf3 O-O-O 17. a3 Kb8 18. c4 Rdg8 19. Bd2 g4 20. Bd1 h5 {Ondrus,M (2061) -Marflak,M (1991) Slovakia 2007 1/2-1/2}) 6... Nxd5 7. Qe2 Nd7 8. d4 Bd6 9. dxe5 Bxe5 10. Bf4 O-O 11. Bxe5 Nxe5 12. Qxe5 Qxe5+ 13. Nxe5 Re8 14. Kd2 Rxe5 15. f4 Re8 16. Bxd5 cxd5 17. Nc3 Bf5 18. Rhe1 a6 19. Rad1 Bg4 {Volf,Z (2124) -Banko,S (1500) Sentjur 2005 1-0 (38)}) (5. c4 a5 6. Nc3 Na6 7. O-O Be7 8. Bg5 d6 9. a3 Nc5 10. b4 Ne6 11. Bd2 O-O 12. bxa5 Rxa5 13. Qb1 Bd7 14. Qb2 Rfa8 15. Rfb1 Bc8 16. Bh3 Nd8 17. Bxc8 Qxc8 18. e4 Nd7 19. Be3 Nc5 {Lebredo Zarragoitia, G-Hernandez,J Cienfuegos 1975 1/2-1/2 (41)}) 5... Bc5 {0.59/25} (5... d5 $11 { -0.07/26}) 6. d4 {-0.05/26} (6. c4 $14 {0.59/25}) 6... exd4 $11 7. Bg5 Qd6 { 0.57/26} (7... Ne4 $11 {-0.20/28}) 8. Nbd2 $14 {White is slightly better.} O-O 9. Nb3 Na6 10. Nfxd4 Bxd4 11. Nxd4 Qe5 12. Bf4 Qc5 13. Nb3 {0.93/30} (13. e4 $142 $1 {1.43/24}) 13... Qb5 {1.41/27} (13... Qh5 $142 {0.93/30}) 14. Bf3 { 0.10/25} (14. Bd6 $16 {1.41/27}) 14... d5 $11 15. a4 Qb6 16. a5 Qd8 {0.81/23} ( 16... Qb4 $14 {0.33/31}) 17. Re1 {-0.05/29} (17. Qd4 $16 {0.81/23}) 17... Bg4 { 0.74/24} (17... Bf5 $11 {-0.05/29}) 18. Bg2 {-0.12/28} (18. Bxg4 $16 {0.74/24} Nxg4 19. e4) 18... Qd7 {0.57/25} (18... Re8 $11 {-0.12/28}) 19. Be3 {0.14/30} ( 19. Be5 $14 {0.57/25}) 19... Rfe8 20. Bd4 Qe6 21. Qd2 Rac8 {0.80/25} (21... Bf5 $11 {0.13/29}) 22. f3 Bh3 {1.57/27} (22... Bf5 $1 $14 {0.45/25}) 23. Bxh3 ({ But not} 23. Bxa7 $6 Bxg2 24. Kxg2 c5 $11) 23... Qxh3 24. Ra4 {0.35/27} ({ Don't do} 24. Bxa7 $6 c5 $14) (24. Bxf6 $1 $16 {1.47/24} gxf6 25. Ra4) 24... Qe6 $14 25. Bxa7 {-0.07/28} (25. Qc3 $1 $14 {0.54/29}) 25... c5 $11 26. Rh4 { -0.45/28} (26. Nc1 $11 {0.10/29}) 26... Qe3+ {0.88/24} (26... Nd7 $15 {-0.45/ 28 stays ahead.}) 27. Qxe3 $16 Rxe3 28. c3 {0.32/30} (28. Nxc5 $16 {1.15/26} Rxc5 29. Bxc5 Nxc5 30. Rb4) 28... Nd7 {1.17/26} (28... Re6 $1 $14 {0.32/30}) 29. Kf2 {0.08/30} (29. Rh5 $1 $16 {1.17/26}) 29... Ree8 {1.43/29} (29... Re6 $1 $11 {0.08/30}) 30. Rd1 c4 {2.38/26} (30... Ra8 $16 {1.15/31 keeps fighting.}) 31. Nc1 Nf6 32. Bd4 Nc7 {2.35/27} (32... Nd7 $16 {1.58/27 was called for.} 33. b4 cxb3) 33. Kf1 Re6 34. Rh3 {0.87/27} (34. b3 $142 {1.57/27}) 34... Ra8 35. Kg2 {-0.47/28} (35. b4 $16 {0.79/24}) 35... Rxa5 $15 36. Rh4 Ra1 37. Bxf6 Rxf6 $2 {1.57/27 [#]} (37... gxf6 $17 {-0.72/31 stays on course.} 38. Rhd4 Rb6) 38. Rxc4 $1 $16 Rc6 (38... dxc4 39. Rd8+) 39. Rxc6 {1.24/28} (39. Rcd4 $18 {1.74/28 }) 39... bxc6 $18 {Endgame KRN-KRN} 40. f4 {0.08/30} (40. Rf1 $16 {1.40/32}) 40... Kf8 {1.20/30} (40... Rb1 $1 $11 {0.08/30}) 41. f5 {-0.08/32} (41. Re1 $16 {1.20/30}) 41... Ke7 {0.54/28} (41... Rb1 $11 {-0.08/32}) 42. Rh1 {0.00/40} ({ White should play} 42. Re1 $14 {0.54/28}) 42... Ne8 43. Nd3 Rxh1 {0.76/31} ( 43... Ra4 $14 {0.31/32}) 44. Kxh1 $14 {KN-KN} Nd6 45. f6+ {0.00/39} (45. g4 $16 {0.83/29}) 45... Kxf6 $11 46. g4 {-0.46/29} (46. Kg2 $11 {0.00/39}) 46... Ke7 { 0.00/36} (46... Kg5 $15 {-0.46/29}) 47. Nb4 Kd7 48. Kg2 Nc4 49. Nd3 Kd6 50. h4 Ne5 51. Nf2 {-0.74/29 [#]} (51. Kg3 $11 {0.00/44 keeps the balance.}) 51... Kc5 $1 $17 52. g5 {-2.07/29 [#]} ({White should try} 52. Kg3 $15 {-0.61/33}) 52... Kc4 $1 $19 53. e4 Kb3 $2 {-0.14/40} ({Better is} 53... d4 $19 {-1.87/27} 54. cxd4 Kxd4) 54. exd5 $11 cxd5 {And now ...Nc4 would win.} 55. Nd1 Nc4 56. Kf3 Nxb2 57. Ne3 Kxc3 {Threatens to win with ...d4.} 58. Nxd5+ Kd4 59. Ne3 Nc4 60. Nf5+ {The position is equal.} Kc5 61. Nxg7 Kd5 62. Nh5 Ne5+ 63. Kg2 Ng6 64. Nf6+ Ke6 65. Kg3 Ke7 66. h5 Nf8 67. h6 Ke6 68. Kf4 Ng6+ $1 69. Ke3 Kf5 70. Nxh7 Nh8 71. Kd4 Kg6 72. Nf8+ Kxg5 73. Ne6+ fxe6 74. Ke5 Nf7+ 75. Kxe6 Nxh6 { Accuracy: White = 20%, Black = 35%.} 1/2-1/2