Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. b4 Bd7 7. c4 Nf6 8.
Be2 Be7 9. Nc3 O-O 10. Bb2 a6 11. Nd5 Nxd5 *
Position (FEN): r2q1rk1/1ppbbppp/p2p4/3n4/1PPQP3/8/PB2BPPP/R3K2R w KQ - 0 12
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1198
Best move: Qxg7#