A03: Bird's Opening with 1...d5

1. f4 1. Nf3 Nf6= 1... d5 2. e3 Nf6 3. d4 3. Nf3 Bg4= 3... c5 3... Bf5 4. Nf3=/+ 4. c3 Bf5 5. Nf3 Nc6 5... e6 6. Bd3=/+ 6. dxc5= a5 6... e6 7. b4= 7. Bb5+/= e6 8. Qa4 8. Nd4 Qc7 9. Qa4 Rc8+/= 8... Rc8 8... Bxc5 9. Nd4 O-O 10. O-O-/+ 9. Ne5 >= 9. b4+/= 9... Ne4?? Black lets it slip away 9... Bxc5 10. Nxc6 bxc6 11. Ba6-/+ 10. O-O?? a transit from better to worse >= 10. Nxc6 bxc6 11. Bxc6+ Ke7 12. b4+/- 10... Nxc5-/+ 11. Nxc6? >= 11. Qd1!? Bd6 12. Nd2-/+ 11... bxc6-+ 12. Bxc6+ Ke7 13. Qb5 Qd6 13... Kf6 14. e4 Bxe4 15. Qe2 Rxc6 16. Qh5-+ 14. b4 >= 14. Bxd5 Qxd5 15. Qxa5-+ 14... Rxc6?? gives the opponent counterplay >= 14... Qxc6 and Black could have gained the advantage 15. Qxc6 Rxc6 16. bxc5 Kd7-+ (16... Rxc5?! 17. Ba3 Kf6 18. Bxc5 Bxc5 19. Kf2-/+) 15. bxc5+/= Qc7 15... Qxc5?? that pawn is deadly bait and will cause Black grave problems 16. Ba3 Kf6 17. Bxc5 Rxc5 18. Qb2+- 16. Nd2 Kf6 The isolani on c5 becomes a target 17. Nb3 Attacking the isolated pawn on a5. White threatens to win material: Nb3xa5 17. Qe2!? should be investigated more closely 17... Bxc5 18. c4+/= 17... Bxc5=/+ 18. Qxa5 18. Qe2!? Bb6 19. Bb2= 18... Bb6 Black threatens to win material: Bb6xa5 19. Qb5 19. Qa3!?-/+ 19... Rc4-+ 19... Rxc3?! 20. Bb2 Bxe3+ 21. Kh1= 20. Rd1? 20. Qa6 Rb8-+ (20... Rxc3?! 21. Bb2 Kg6 22. Bxc3 Bxe3+ 23. Kh1 Qxc3 24. Rf3=) 20... Rb8 20... Qa7!? and Black can already relax 21. Nd2 Bxe3+ 22. Kh1 Bxd2 23. Bxd2-+ 21. Qa6 Kg6 22. Nd4 Be4 22... >= Bg4 23. Rf1 e5 (23... <= Rxc3 24. a4-/+) 24. f5+ Kh5-+ 23. Nb5?? strolling merrily down the path to disaster >= 23. a4-/+ 23... Qxf4-+ 24. Nd6 24. Nd4 hoping against hope 24... Qg5 25. g3-+ 24... Bxe3+ 24... Qxd6?! is a weaker possibility 25. Qxc4 Annihilates a defender: c4 25... f5 26. Qf1-/+ 25. Bxe3 Qxe3+ 26. Kh1 Bxg2+! Demolishes the pawn shield 27. Kxg2 Decoy to g2 27... Rg4+ The nicest combinations are those leading to mate 28. Kf1 28. Kh1 hardly improves anything 28... Qf3# 28... Rg1# 0-1 [Fritz 9 (5s)]