Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 Bg4 4. h3 Bh5 5. g4 Bg6 6. Nc3 Nf6 7. d3 e6 8. Bg5
Be7 9. e5 dxe5 10. Nxe5 Nbd7 11. Bb5 O-O 12. Bxd7 Nxd7 13. Bxe7 Qxe7 14. Nxd7
Qxd7 15. Qe2 b5 16. O-O-O b4 17. Ne4 Rfc8 18. Qf3 Qa4 19. Nxc5 *
Position (FEN): r1r3k1/p4ppp/4p1b1/2N5/qp4P1/3P1Q1P/PPP2P2/2KR3R b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1789
Best move: Qxa2