Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 Bh5 7. d3 e6 8.
Nbd2 Bd6 9. Qe1 f6 10. e5 Bc7 11. exf6 Nxf6 12. Qxe6+ Qe7 13. Re1 Bxf3 *
Position (FEN): r3k2r/1pb1q1pp/p1p1Qn2/2p5/8/3P1b1P/PPPN1PP1/R1B1R1K1 w kq - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 577
Best move: Qxe7#