Chess puzzle (Crushing)
Opening: Bird_Opening, Bird_Opening_Dutch_Variation
Moves: 1. f4 d5 2. g3 Nf6 3. Bg2 c6 4. d3 Qb6 5. e4 dxe4 6. dxe4 Bg4 7. Qd3 e6 8. Bd2
Bc5 9. Ne2 Bf2+ 10. Kf1 O-O 11. Qb3 Qa6 12. c4 Bb6 13. Nec3 Nbd7 14. Na4 Nc5
15. Nxc5 Bxc5 16. e5 Nd7 17. Nc3 b5 18. cxb5 cxb5 19. Bxa8 *
Position (FEN): B4rk1/p2n1ppp/q3p3/1pb1P3/5Pb1/1QN3P1/PP1B3P/R4K1R b - - 0 19
Black to move.
Themes: Discovered Attack Middlegame  
Puzzle rating: 1320
Best move: b4+