Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 c5 4. d5 e6 5. e4 exd5 6. exd5 Nf6 7. Bxc4 Bd6 8.
Nge2 O-O 9. O-O Bg4 10. f3 Bh5 11. Be3 Nbd7 12. Bf2 Nb6 13. Bb3 c4 14. Bc2
Nbxd5 15. Nxd5 Nxd5 16. Qd4 Nb6 17. Rfd1 Bb8 18. Qe4 Qc7 *
Position (FEN): rb3rk1/ppq2ppp/1n6/7b/2p1Q3/5P2/PPB1NBPP/R2R2K1 w - - 6 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 427
Best move: Qxh7#