Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O d6 5. c3 Bd7 6. d4 exd4 7. cxd4 Bb6 8.
Bg5 f6 9. Bf4 a6 10. Bc4 Bg4 11. Qb3 Bxf3 12. Bxg8 Nxd4 *
Position (FEN): r2qk1Br/1pp3pp/pb1p1p2/8/3nPB2/1Q3b2/PP3PPP/RN3RK1 w kq - 0 13
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1024
Best move: Qf7#