Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 exf4 4. Bc4 g5 5. O-O g4 6. Nc3 gxf3 7. Qxf3 Qf6 8.
Nd5 Qd4+ 9. Kh1 Qxc4 10. Qxf4 Nge7 11. Qxf7+ Kd8 12. Qxf8+ Rxf8 *
Position (FEN): r1bk1r2/ppppn2p/2n5/3N4/2q1P3/8/PPPP2PP/R1B2R1K w - - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 461
Best move: Rxf8#