Chess puzzle (Checkmate)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Other_variations
Moves: 1. b3 e6 2. Bb2 d5 3. e3 Nf6 4. f4 Nc6 5. Nf3 Bb4 6. Bb5 Ne4 7. Nc3 a6 8. Bxc6+
bxc6 9. Nxe4 dxe4 10. Ng1 a5 11. Qe2 Ba6 12. Qf2 O-O 13. Qg3 *
Position (FEN): r2q1rk1/2p2ppp/b1p1p3/p7/1b2pP2/1P2P1Q1/PBPP2PP/R3K1NR b KQ - 5 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 685
Best move: Qxd2#