Chess puzzle (Checkmate)
Opening: Queens_Gambit, Queens_Gambit_Other_variations
Moves: 1. d4 d5 2. c4 h6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. Bd3 Bb4 7. a3 Ba5 8. b4 Bb6
9. c5 Ba7 10. Ne5 O-O 11. O-O Nbd7 12. f4 Nxe5 13. fxe5 Nh7 14. Ne2 Bd7 15. Ng3
Qh4 16. Bd2 f5 17. exf6 Nxf6 18. Be1 Ng4 19. Nf5 *
Position (FEN): r4rk1/bppb2p1/p3p2p/2Pp1N2/1P1P2nq/P2BP3/6PP/R2QBRK1 b - - 3 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1197
Best move: Qxh2#