Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 h6 5. Nc3 Nf6 6. cxd5 Nxd5 7. Bc4 Bb4 8.
Ne2 O-O 9. O-O Nxc3 10. bxc3 Bd6 11. Nf4 Qh4 12. Ng6 *
Position (FEN): rnb2rk1/ppp2pp1/3b2Np/8/2BP3q/2P5/P4PPP/R1BQ1RK1 b - - 4 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 789
Best move: Qxh2#