Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Three_Knights_Variation
Moves: 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Nc3 Be7 5. e3 O-O 6. Bd2 b6 7. Be2 Bb7 8. O-O
c5 9. Ne5 dxc4 10. dxc5 Bxc5 11. Bxc4 Qc7 12. Nd3 Qc6 13. Bb5 *
Position (FEN): rn3rk1/pb3ppp/1pq1pn2/1Bb5/8/2NNP3/PP1B1PPP/R2Q1RK1 b - - 4 13
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 593
Best move: Qxg2#