Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Qa4+ Nc6 5. cxd5 Bxc3+ 6. bxc3 Qxd5 7. e3 a6 8.
c4 Qe4 9. Nf3 f6 10. Be2 Bd7 11. Qb3 Na5 12. Qb4 b6 13. Ba3 Nc6 *
Position (FEN): r3k1nr/2pb2pp/ppn1pp2/8/1QPPq3/B3PN2/P3BPPP/R3K2R w KQkq - 2 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1107
Best move: Qf8#