Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. Nbd2 e6 5. c4 Bd6 6. Bg3 Nge7 7. e3 O-O 8. a3
Bxg3 9. hxg3 a6 10. Qc2 dxc4 *
Position (FEN): r2q1rk1/1pp1nppp/p1n1p3/8/2pP2b1/P3PNP1/1PQN1PP1/R3KB1R w KQ - 0 11
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1317
Best move: Qxh7#