Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Qf6 5. Bg5 Qg6 6. dxe5 Bg4 7. exd6 Qxe4+ 8.
Kf1 Bxf3 *
Position (FEN): r3kbnr/ppp2ppp/2nP4/1B4B1/4q3/5b2/PPP2PPP/RN1Q1K1R w kq - 0 9
White to move.
Themes: Advanced Pawn Opening Mate in 1 
Puzzle rating: 1397
Best move: d7#