A03 Bird's Opening with 1...d5 (1.f4 d5 2.Nf3 c5 3.g3 Nc6 4.Bg2 g6 5.O-O Bg7 6.d3 Nf6 7.Nc3 O-O 8.e4 dxe4 9.dxe4)

[Event "Daily Blitz Arena"] [Site "https://lichess.org/OZtbW7In"] [Date "2019.10.01"] [Round "?"] [White "sorush_1385"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1846"] [BlackElo "1866"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "72"] [EventDate "2019.??.??"] [EventType "blitz"] [TimeControl "300"] 1. f4 (1. g3 g6 2. Bg2 Bg7 3. f4 d5 4. Nf3 {1-0 (41) Ossa,O (2234)-Florez,L (2067) Cali 2017}) 1... d5 {A03 Bird Opening: Dutch Variation} (1... Nf6 2. Nf3 c5 (2... g6 3. g3 Bg7 4. Bg2 {1-0 (37) Reissfelder,M-Lauer,M Waldshut 1991}) 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d3 d5 7. Nc3 {1/2-1/2 (32) Bombin Pinera, D-Miras,E Asturias 1996}) 2. Nf3 c5 (2... Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d3 {1-0 (32) Rodriguez Vila,A (2533)-Sega,C (2235) Santos 2008}) 3. g3 Nc6 4. Bg2 g6 5. O-O Bg7 6. d3 Nf6 7. Nc3 O-O 8. e4 dxe4 9. dxe4 {A03 Bird's Opening with 1...d5} Bg4 {1.54/20} (9... Qxd1 $11 {0.25/24} 10. Rxd1 e5) 10. e5 $16 ( 10. Be3 Qa5 11. e5 (11. Qe1 Rfd8 12. e5 Ne8 13. h3 Bf5 14. Qf2 Qb4 15. Rab1 Nd4 16. a3 Qc4 17. Nd2 Qa6 18. Nde4 b6 19. g4 Bd7 20. Rfd1 Rac8 21. Bxd4 cxd4 22. Rxd4 Bc6 23. Rbd1 Rxd4 24. Rxd4 f6 25. Bf1 Qb7 {Ossa,O (2234)-Florez,L (2067) Cali 2017 1-0 (41)}) 11... Rad8 12. Qe1 Ne8 13. Qf2 Bxf3 14. Bxf3 Nd4 15. Bxb7 Qb5 16. Bg2 Qxb2 17. Ne4 Qa3 18. c3 Ne6 19. Nxc5 N8c7 20. c4 Rb8 21. Nd7 Rb2 22. Bc1 Rxf2 23. Bxa3 Rxf1+ 24. Kxf1 Rd8 {Rodriguez Vila,A (2533)-Sega,C (2235) Santos 2008 1-0 (32)}) 10... Nd7 {1.85/17} (10... Qxd1 $1 $14 {0.65/22} 11. Rxd1 Nh5) 11. Be3 {0.65/19} ({White should try} 11. h3 $18 {1.85/17} Bf5 12. g4 ) 11... Qb6 $146 {White is slightly better.} (11... Qa5 12. h3 Bxf3 13. Qxf3 Nb6 14. Qf2 Nd4 15. Ne4 Nc4 16. Bxd4 cxd4 17. Qxd4 Rac8 18. b3 Rfd8 19. Qf2 Nd2 20. Rfd1 Rxc2 21. a3 Rd3 22. b4 Qd8 23. Rxd2 Rdxd2 24. Nxd2 Rxd2 25. Qxa7 Qd3 26. Kh2 {Bombin Pinera,D-Miras,E Asturias 1996 1/2-1/2 (32)}) (11... Rc8 12. Ne4 Qa5 13. c3 Rfd8 14. Qc2 b6 15. a4 Ndb8 16. h3 Bxf3 17. Bxf3 Qa6 18. Rfd1 Rxd1+ 19. Rxd1 Rd8 20. Rxd8+ Nxd8 21. b4 Qc8 22. Bg4 Qc7 23. bxc5 bxc5 24. Nxc5 Ndc6 25. Qd3 Qa5 26. Bf3 {Reissfelder,M-Lauer,M Waldshut 1991 1-0 (37)}) 12. Na4 {0.01/21} (12. b3 $16 {1.29/16}) 12... Qb5 {1.46/21} (12... Qa5 $1 $11 { 0.01/21 remains equal.} 13. b3 Rad8) 13. Nd4 $2 {-4.81/22 [#]} (13. b3 $1 $16 { 1.46/21 stays on course.}) 13... cxd4 $19 ({Worse is} 13... Bxd1 14. Nxb5 Be2 15. Nac3 $15) 14. Qxg4 dxe3 15. Nc3 Qxb2 16. Qxd7 {-7.35/21} (16. Nd5 $142 { -4.98/21} Nb6 17. Qe2) 16... Qxc3 17. Qxb7 Rac8 18. Rab1 e2 19. Rfe1 Nd4 20. Rxe2 Nxe2+ 21. Kf2 Qxc2 {-11.59/22} (21... Qd4+ $142 {-#21/21} 22. Ke1 Rxc2 23. Qb3 Rfc8 24. Rd1 Qg1+ 25. Bf1 Nd4 26. Qxf7+ Kxf7 27. e6+ Kg8 28. Rd2 Qe3+ 29. Be2 Nf3+ 30. Kf1 Qg1#) 22. Rb2 {Black is clearly winning.} Qc5+ 23. Kxe2 Rfd8 { [#] ( -> ...Qc4+)} 24. Qb3 Qc4+ 25. Qxc4 Rxc4 26. Bf1 Ra4 27. Kf3 e6 28. Kg4 h5+ 29. Kg5 Rd1 30. Be2 Rh1 31. Bf3 Rf1 32. Bg2 Ra1 33. g4 hxg4 34. h4 R1xa2 35. Rb8+ Kh7 36. Bc6 R4a3 {Time forfeit. Accuracy: White = 18%, Black = 22%.} 0-1