Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nf3 Bc5 5. Bc4 Nxe4 6. Qe2 Bxf2+ 7. Kd1 d5
8. Bd3 Bb6 9. Bxe4 dxe4 10. Qxe4+ Be6 11. d3 O-O 12. Ng5 Nd4 *
Position (FEN): r2q1rk1/ppp2ppp/1b2b3/6N1/3nQ3/3P4/PPP3PP/RNBK3R w - - 3 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 576
Best move: Qxh7#