Chess puzzle (Checkmate)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. d4 e6 3. Nf3 h6 4. c4 a6 5. Nc3 Bb7 6. d5 Nf6 7. e5 Nh7 8. Be3 Bb4
9. Qd3 Nf8 10. O-O-O g5 11. Be2 Ng6 12. dxe6 dxe6 *
Position (FEN): rn1qk2r/1bp2p2/pp2p1np/4P1p1/1bP5/2NQBN2/PP2BPPP/2KR3R w kq - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1444
Best move: Qxd8#