Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Bd6 7. O-O O-O 8.
e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 c6 11. Ng5 h6 *
Position (FEN): rn1q1rk1/pp3pp1/2pbp2p/6N1/3PQ3/8/PPP2PPP/R1B2RK1 w - - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1069
Best move: Qh7#