Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 a6 3. a4 e6 4. f4 Nc6 5. Nf3 Qc7 6. d4 cxd4 7. Nxd4 Bb4 8. Ne2
Nf6 9. Qd3 d5 10. Qg3 O-O 11. Bd2 Bxc3 12. Bxc3 Nxe4 *
Position (FEN): r1b2rk1/1pq2ppp/p1n1p3/3p4/P3nP2/2B3Q1/1PP1N1PP/R3KB1R w KQ - 0 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 535
Best move: Qxg7#