Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nc6 6. c3 Nge7 7. O-O Bg4 8.
Re1 Qd7 9. Be2 O-O 10. Qd3 f6 11. h3 Bf5 12. Qd2 Rae8 13. Bd3 Ng6 14. Be2 Nf4
15. Bb5 Be4 16. Re3 Nxh3+ 17. gxh3 Qxh3 18. Be2 Bh2+ 19. Nxh2 *
Position (FEN): 4rrk1/ppp3pp/2n2p2/3p4/3Pb3/2P1R2q/PP1QBP1N/RNB3K1 b - - 0 19
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 799
Best move: Qg2#