Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 Bc5 4. Nxe5 Bxf2+ 5. Kxf2 Nxe4+ 6. Ke1 Qh4+ 7. g3
Nxg3 8. Bxf7+ Ke7 9. Qf3 Nxh1+ 10. Ke2 Qxh2+ 11. Kd3 Nf2+ 12. Kc3 Qxe5+ 13. d4
Qe1+ 14. Bd2 Nd1+ 15. Kb3 Qg1 16. Nc3 Nc6 17. Nd5+ Kd8 18. Rxd1 Nxd4+ 19. Kc4
Nxf3 20. Rxg1 Nxg1 *
Position (FEN): r1bk3r/pppp1Bpp/8/3N4/2K5/8/PPPB4/6n1 w - - 0 21
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 660
Best move: Bg5#