Chess puzzle (Checkmate)
Opening: Rat_Defense, Rat_Defense_Small_Center_Defense
Moves: 1. e4 e6 2. d4 d6 3. Nf3 h6 4. Bd3 Nd7 5. O-O g6 6. c4 Bg7 7. Nc3 e5 8. dxe5
Bxe5 9. Nxe5 Nxe5 10. Be3 Qh4 11. f4 Ng4 12. Bd4 *
Position (FEN): r1b1k1nr/ppp2p2/3p2pp/8/2PBPPnq/2NB4/PP4PP/R2Q1RK1 b kq - 2 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 967
Best move: Qxh2#