Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e4 Bb4 5. Qa4+ Nc6 6. d5 Bxc3+ 7. bxc3 b5 8.
Qxb5 Rb8 9. Qxc6+ Bd7 10. Qxc4 exd5 11. exd5 Qe7+ 12. Be2 Bb5 13. Qf4 Nf6 14.
Nh3 *
Position (FEN): 1r2k2r/p1p1qppp/5n2/1b1P4/5Q2/2P4N/P3BPPP/R1B1K2R b KQk - 6 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qxe2#