Chess puzzle (Crushing)
Opening: Trompowsky_Attack, Trompowsky_Attack_Classical_Defense
Moves: 1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Nd5 5. Bxe7 Nxe7 6. c4 O-O 7. Bd3 d6 8. f4
dxe5 9. dxe5 b6 10. Ne2 Bb7 11. O-O Nbc6 12. a3 Nd4 13. Nxd4 *
Position (FEN): r2q1rk1/pbp1nppp/1p2p3/4P3/2PN1P2/P2B4/1P4PP/RN1Q1RK1 b - - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 808
Best move: Qxd4+