Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Tarrasch_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. O-O
cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. a3 Nc5 13. Bc2 Qc7 14. b4 Nd7
15. Bf4 Be7 16. Rc1 Qd8 17. Qd3 b6 18. Rfe1 O-O *
Position (FEN): r1bq1rk1/p2nbppp/1p2p3/3pP3/1P3B2/P2Q1N2/2B2PPP/2R1R1K1 w - - 2 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 643
Best move: Qxh7#