Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. d4 Nxc3 5. bxc3 Nc6 6. Nf3 Bg4 7. Bb5 Qd5
8. c4 Qe6+ 9. Be3 a6 10. d5 Qf6 11. dxc6 axb5 12. h3 Bxf3 *
Position (FEN): r3kb1r/1pp1pppp/2P2q2/1p6/2P5/4Bb1P/P1P2PP1/R2QK2R w KQkq - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1205
Best move: Qd7#