Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Modern_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Qe7 5. Be2 Ng4 6. Qxd4 d6 7. exd6 Qxd6 8.
Qe4+ Be7 9. O-O O-O 10. Bf4 Qe6 11. Bd3 Bd6 *
Position (FEN): rnb2rk1/ppp2ppp/3bq3/8/4QBn1/3B1N2/PPP2PPP/RN3RK1 w - - 8 12
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 703
Best move: Qxh7#