A00 Irregular Openings (1.g3 d5 2.Bg2 e5 3.c4 Nf6 4.d3)

[Event "Monthly Rapid Arena"] [Site "https://lichess.org/ROz053uL"] [Date "2019.10.03"] [Round "?"] [White "abomohamad222"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1949"] [BlackElo "1929"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "114"] [EventDate "2019.??.??"] [EventType "rapid"] [TimeControl "600"] 1. g3 {A00 Hungarian Opening} (1. c4 e5 {1-0 (44) Barragan Arriaza,P (1884) -Garcia Prados,D (1919) Madrid 2018}) 1... d5 (1... e5 2. c4 Nf6 3. d3 (3. Bg2) 3... d5 {1-0 (41) Bilek,I (2500)-Nagy,E (2455) Hungary 1973}) 2. Bg2 e5 (2... Nf6 3. d3 e5 {1-0 (52) Pena Gomez,M (2467)-Stanetzek,C (2259) Bad Wiessee 2008} ) 3. c4 Nf6 4. d3 {A00 Irregular Openings} Bb4+ 5. Nd2 (5. Bd2 Bxd2+ 6. Nxd2 O-O 7. cxd5 Nxd5 8. Ngf3 Re8 9. O-O Kh8 10. a3 f6 11. Rc1 c6 12. Qc2 Na6 13. b4 Nac7 14. Nb3 Ne6 15. e4 Ndc7 16. Rfd1 Nb5 17. Qb2 Nbd4 18. Nfxd4 Nxd4 19. Nxd4 Qxd4 {Barragan Arriaza,P (1884)-Garcia Prados,D (1919) Madrid 2018 1-0 (44)}) 5... O-O {0.49/22} (5... c6 $1 $15 {-0.70/20} 6. cxd5 cxd5 7. a3 Bd6 8. e4 dxe4 9. dxe4 Be6 10. Ne2 Nc6 11. O-O O-O 12. b4 Qb6 13. Nc3 Nd4 14. Nd5 Bxd5 15. exd5 Rac8 16. Bb2 a5 17. Bxd4 Qxd4 18. bxa5 Rc3 19. Nf3 Qc5 20. Nh4 Ra8 { Bilek,I (2500)-Nagy,E (2455) Hungary 1973 1-0 (41)}) 6. a3 $146 {-0.85/22} (6. cxd5 $14 {0.49/22} Nxd5 7. Ngf3 (7. a3)) 6... Be7 {0.49/21} (6... Bxd2+ $1 $17 {-0.85/22} 7. Bxd2 dxc4) 7. Ngf3 $2 {-1.31/19} (7. cxd5 $14 {0.49/21} Nxd5 8. Ngf3 Nd7 9. O-O Re8 10. Nc4 Bf6 11. Qc2 N7b6 12. Na5 Rb8 13. e4 Ne7 14. d4 Ng6 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Rd1 Qe7 18. f4 Bd6 19. b4 Bd7 20. Bb2 Ba4 21. Qc3 f6 22. Rd2 c5 23. Rxd6 {Pena Gomez,M (2467)-Stanetzek,C (2259) Bad Wiessee 2008 1-0 (52)}) 7... Nc6 $2 {0.46/23} (7... e4 $1 $17 {-1.31/19} 8. Ne5 Bd6) 8. b4 $2 {-1.68/18} (8. cxd5 $14 {0.46/23 keeps the upper hand.} Nxd5 9. Nc4) 8... e4 $19 9. Ng5 $2 {-3.17/17} (9. Nh4 $17 {-1.42/21 was necessary.}) 9... exd3 { -1.47/22} (9... e3 $1 $19 {-3.17/17 ...Ng4 is the strong threat.} 10. Ndf3 (10. fxe3 Ng4) 10... exf2+ 11. Kxf2 dxc4) 10. exd3 {-2.35/18} (10. Bb2 $17 {-1.47/22 }) 10... Bg4 {-0.91/20} (10... Ng4 $19 {-2.35/18 has better winning chances.} 11. Nxf7 Rxf7 12. Bxd5 Bf6) 11. Qc2 $2 {-3.37/18} (11. Ngf3 $17 {-0.91/20}) 11... Nd4 {-1.99/19} (11... dxc4 $142 {-3.37/18} 12. Nxc4 Nd5) 12. Qb2 Ne6 $2 { 0.07/21} (12... Re8 $19 {-2.41/19} 13. O-O Ne2+ 14. Kh1 Nd7) 13. Nxe6 $11 Bxe6 (13... fxe6 {keeps more tension.} 14. d4 b6 15. O-O c5 16. h3 Bf5) 14. O-O { -0.44/19} (14. c5 $11 {0.01/22}) 14... c6 {0.25/22} (14... c5 $15 {-0.44/19}) 15. c5 Bf5 16. Qb3 {-0.48/19} (16. d4 $11 {0.25/22}) 16... Qd7 {0.36/19} (16... b6 $15 {-0.48/19}) 17. Nf3 {-0.10/23} (17. Bb2 $14 {0.36/19}) 17... Bh3 { 0.36/19} (17... h6 $11 {-0.10/23}) 18. Bb2 Qf5 {0.72/21} (18... Bxg2 $11 { 0.06/22 keeps the balance.} 19. Kxg2 Rfe8) 19. Rae1 Rfe8 20. Re5 {0.32/24} (20. Re3 $16 {0.90/21}) 20... Qd7 $14 21. Rfe1 {0.21/25} (21. Re3 $14 {0.67/20 deserves consideration.}) 21... Bxg2 $11 22. Kxg2 Ng4 {0.68/20} (22... Bf8 $11 {0.22/23}) 23. Rh5 {0.15/24} ({Better is} 23. R5e2 $14 {0.68/20}) 23... Bf6 { 0.61/22} (23... b6 $11 {0.15/24}) 24. h3 {0.00/27} (24. Rxe8+ $14 {0.61/22} Rxe8 25. Bxf6 Nxf6 26. Re5) 24... Bxb2 {0.81/24} (24... Rxe1 $11 {0.00/27} 25. Nxe1 Re8 26. hxg4 Rxe1 27. Bxf6 gxf6) 25. Qxb2 {0.00/26} (25. Rxe8+ $16 { 0.81/24} Rxe8 26. Qxb2) 25... Nf6 {0.98/22} (25... Rxe1 $11 {0.00/26} 26. Nxe1 Nh6) 26. Rg5 Kh8 {1.16/23} (26... h6 $14 {0.69/24 is more appropriate.} 27. Rxe8+ Nxe8) 27. Ne5 {0.63/24} (27. Rge5 $16 {1.16/23}) 27... Qc7 $14 28. d4 $2 {-1.17/21} (28. Rf5 $16 {0.99/24}) 28... Ne4 {-0.32/25} ({Black should play} 28... g6 $1 $17 {-1.17/21} 29. Qd2 Ne4) 29. Rh5 f6 {-0.05/22} (29... h6 $15 { -0.63/20}) 30. Ng6+ $2 {-3.39/24} (30. f3 $11 {-0.05/22 and White is okay.}) 30... Kg8 $19 31. Nf4 g6 32. Rh4 g5 33. Rg4 f5 34. Rxe4 fxg4 ({Not} 34... fxe4 35. Rxg5+ Kh8 36. Qe2 $17) 35. Rxe8+ Rxe8 {Endgame KQR-KQN} 36. Nh5 $2 { -7.84/22} (36. Nd3 {-2.65/23} gxh3+ 37. Kxh3) 36... gxh3+ 37. Kxh3 Rf8 38. Qd2 Qd7+ 39. g4 h6 {Hoping for ...Qf7.} 40. Qe3 Qf7 {[#] Threatens to win with ... Qf3+.} 41. Kg2 Re8 $2 {0.04/24} (41... Kh8 $19 {-2.29/22} 42. Qe5+ Kg8) 42. Qxe8+ $1 Qxe8 43. Nf6+ Kf7 44. Nxe8 Kxe8 $11 {KP-KP} 45. Kg3 Kf7 46. f4 gxf4+ 47. Kxf4 Kf6 48. a4 a6 49. a5 Kg6 $2 {3.81/30} (49... Ke6 $11 {0.00/39}) 50. Ke5 $18 Kg5 51. Kd6 {[#] Black must now prevent Kc7.} Kxg4 52. Kc7 h5 53. Kxb7 h4 {intending ...h3.} 54. Kxc6 $2 {0.00/34} ({White has to play} 54. b5 $1 $18 {2.65/22} axb5 55. a6 (55. Kxc6 b4 $16)) 54... h3 $11 {The position is equal.} 55. Kb6 {Strongly threatening c6.} h2 56. c6 $1 {aiming for c7.} h1=Q 57. c7 $1 Qh8 {Time forfeit. Accuracy: White = 26%, Black = 23%. . Loss on time!?} ({ Wrong is} 57... Qc1 $2 58. Kb7 $18) 0-1