Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 Nf6 3. e3 e6 4. Bd3 c5 5. dxc5 Bxc5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7
8. Nf3 O-O 9. O-O Qb6 10. b3 e5 11. Nxd5 Nxd5 12. Qxd5 Qe6 13. Qxb7 e4 14. Nd2
Rfb8 15. Qa6 *
Position (FEN): rr4k1/p2n1ppp/Q3q3/2b5/4p3/1P2P3/P1PN1PPP/R1B2RK1 b - - 3 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 906
Best move: Qxa6