Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 Nf6 6. e5 Nd5 7. c4 Nc7 8.
Nc3 e6 9. d4 cxd4 10. Qxd4 d6 11. Bg5 dxe5 *
Position (FEN): r1bqkb1r/ppn2ppp/4p3/4p1B1/2PQ4/2N2N2/PP3PPP/R3K2R w KQkq - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 668
Best move: Qxd8#