Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 Nc6 3. Nf3 Nf6 4. cxd5 Qxd5 5. Nc3 Qa5 6. e3 e6 7. Bd2 Bb4 8.
Bd3 O-O 9. O-O Qh5 10. Nb5 Bd6 11. Nxd6 cxd6 12. Rc1 Ne7 13. Be2 Ng4 14. h3 Nh6
15. Rc7 Nd5 16. Rc1 e5 17. Nxe5 Qg5 18. e4 Nf4 19. Nf3 *
Position (FEN): r1b2rk1/pp3ppp/3p3n/6q1/3PPn2/5N1P/PP1BBPP1/2RQ1RK1 b - - 2 19
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1284
Best move: Qxg2#