Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bg5 e6 5. e4 Be7 6. Bxc4 h6 7. Bf4 O-O 8. Nf3
Bb4 9. a3 Bxc3+ 10. bxc3 Nxe4 11. Qc2 Nd6 12. Bb3 Qf6 13. Bxd6 cxd6 14. O-O d5
15. Ne1 Nc6 16. Nf3 a6 17. Qd3 b5 18. Bc2 Na5 *
Position (FEN): r1b2rk1/5pp1/p3pq1p/np1p4/3P4/P1PQ1N2/2B2PPP/R4RK1 w - - 2 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 469
Best move: Qh7#