Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 c5 3. dxc5 e5 4. b4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nf3 Qf6 8.
Bb2 d4 9. exd4 e4 10. d5 Qxb2 11. dxc6 exf3 *
Position (FEN): r3kbnr/pp3ppp/2P5/2P5/1P6/5p2/PqP2PPP/RN1QK2R w KQkq - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1006
Best move: Qd7#