Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. d4 cxd4 5. Bxc6 bxc6 6. Qxd4 Ne7 7. e5 Qb6 8.
Qd1 Ba6 9. Nc3 g6 10. Ne4 Nf5 11. Nf6+ Kd8 *
Position (FEN): r2k1b1r/p2p1p1p/bqp1pNp1/4Pn2/8/5N2/PPP2PPP/R1BQK2R w KQ - 4 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 400
Best move: Qxd7#