Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. Nf3 Nc6 2. d4 d5 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bg6 6. O-O Bd6 7. Bg3 Nb4 8.
Bxg6 hxg6 9. a3 Nc6 10. Nbd2 Nf6 11. Bxd6 Qxd6 12. c4 Ng4 13. h3 Nxd4 14. Nxd4
*
Position (FEN): r3k2r/ppp2pp1/3qp1p1/3p4/2PN2n1/P3P2P/1P1N1PP1/R2Q1RK1 b kq - 0 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 505
Best move: Qh2#