Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. e3 d5 2. d4 Nc6 3. c4 e5 4. Nf3 exd4 5. exd4 Nf6 6. Nc3 dxc4 7. Bxc4 Bg4 8.
h3 Bxf3 9. Qxf3 Nxd4 10. Qxb7 Nc2+ 11. Kf1 Bb4 12. Bb5+ Kf8 13. Rb1 Bxc3 14.
bxc3 *
Position (FEN): r2q1k1r/pQp2ppp/5n2/1B6/8/2P4P/P1n2PP1/1RB2K1R b - - 0 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qd1#