A00 Irregular Openings (1.h3 d5 2.a3 e5)

[Event "Yahoo"] [Site "?"] [Date "2003.10.09"] [Round "?"] [White "bigivan45"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (5s)"] [PlyCount "68"] [EventDate "2003.11.13"] 1. h3 d5 (1... e5 2. a3 {1/2-1/2 (60) Laurusas,T (2433)-Zukauskas,A (2142) Vilnius 2017}) 2. a3 e5 {A00 Irregular Openings} 3. d3 Nf6 (3... c5 4. g4 Nc6 5. Bg2 Nge7 6. Nc3 d4 7. Ne4 Ng6 8. Nf3 Be7 9. g5 f5 10. gxf6 gxf6 11. h4 Rg8 12. c4 Be6 13. Qa4 Qa5+ 14. Qxa5 Nxa5 15. Rb1 Nb3 16. Bh6 Nh8 17. Bf1 Nf7 18. Bc1 {Basman,M (2375)-Oll,L (2615) London 1994 1/2-1/2 (47)}) 4. Bg5 Be7 5. Bxf6 $146 (5. e3 c5 6. Nd2 Nc6 7. g3 h6 8. Bxf6 Bxf6 9. Bg2 Be6 10. Ne2 Qd7 11. c4 O-O 12. Nc3 d4 13. Nd5 Bd8 14. e4 Ne7 15. Qh5 f5 16. Nxe7+ Bxe7 17. exf5 Bxf5 18. Be4 Rab8 19. Bxf5 Rxf5 {Laurusas,T (2433)-Zukauskas,A (2142) Vilnius 2017 1/2-1/2 (60)}) 5... Bxf6 6. Nf3 $2 {-2.50/19} (6. e4 $17 {-0.78/22}) 6... Nc6 $2 {-0.52/22} (6... e4 $19 {-2.50/19} 7. dxe4 dxe4 8. Qxd8+ Kxd8) 7. Nbd2 { -1.62/19} ({White should try} 7. c3 $15 {-0.52/22}) 7... O-O {-0.38/22} (7... e4 $1 $19 {-1.62/19} 8. dxe4 Bxb2) 8. Nb3 $2 {-3.85/18} (8. e4 $15 {-0.38/22}) 8... b6 $2 {-0.87/22} (8... e4 $19 {-3.85/18 has better winning chances.} 9. dxe4 dxe4 10. Qxd8 Rxd8) 9. e3 {-2.34/16 [#]} (9. e4 $17 {-0.87/22}) 9... Be6 { -1.04/22} (9... e4 $1 $19 {-2.34/16 and Black stays clearly on top.} 10. dxe4 Bxb2 11. Qxd5 Bc3+ 12. Nfd2 Bxa1 13. Qxd8 Rxd8 14. Nxa1 h6) 10. Qd2 {-1.77/18} (10. c3 $17 {-1.04/22 might work better.}) 10... Qd7 {-1.03/22} (10... a5 $19 { -1.77/18} 11. Qc1 Be7) 11. O-O-O $2 {-2.87/21} (11. Be2 $17 {-1.03/22 was called for.}) 11... d4 12. exd4 exd4 13. Qf4 {-2.62/20} (13. g4 $142 {-1.98/23} ) 13... Qd5 14. Nfxd4 $2 {-8.35/24} (14. h4 {-1.64/24}) 14... Nxd4 15. Qxc7 Nxb3+ 16. Kb1 Nc5 {[#] ( -> ...Qa2+)} 17. c4 Qd4 18. Rd2 Nb3 19. Rc2 Bf5 { Hoping for ...Rfe8.} 20. Qg3 Nc5 21. Be2 Na4 {Strongly threatening ...Rae8.} 22. Rd1 Nxb2 23. Rdd2 Na4 24. Ra2 Nc5 {White must now prevent ...Rae8.} 25. Bf3 Rad8 {Black mates.} 26. Bd5 Bxd3+ 27. Rxd3 Nxd3 28. Qe3 Qc3 29. Qd2 Qb3+ 30. Rb2 Nxb2 31. Kc1 Nd3+ 32. Qxd3 Qxd3 33. g3 Rfe8 34. f4 Re2 {Accuracy: White = 9%, Black = 12%.} 0-1