Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Beyer_Gambit
Moves: 1. d4 d5 2. e4 e5 3. dxe5 dxe4 4. Qxd8+ Kxd8 5. Nc3 Nc6 6. Nxe4 Nxe5 7. Bf4 Bf5
8. O-O-O+ Kc8 9. Bxe5 Bxe4 10. f3 Bg6 11. Bb5 c6 12. Bc4 f6 13. Bg3 Ne7 *
Position (FEN): r1k2b1r/pp2n1pp/2p2pb1/8/2B5/5PB1/PPP3PP/2KR2NR w - - 2 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 857
Best move: Be6#