Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 c5 4. Nc3 Nc6 5. d3 Bg4 6. Bg5 f6 7. Be3 Nge7 8. Qe2
a6 9. O-O-O b5 10. Bb3 Nd4 11. Nxe5 Nxe2+ 12. Nxe2 Bxe2 *
Position (FEN): r2qkb1r/4n1pp/p2p1p2/1pp1N3/4P3/1B1PB3/PPP1bPPP/2KR3R w kq - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1073
Best move: Bf7#