Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5 5. fxe4 Nxe4 6. Qf3 Qxd4 7. Be3 Qe5 8.
O-O-O Nxc3 9. Bd4 Nxa2+ 10. Kb1 Qe4 11. Kxa2 Qxf3 12. Nxf3 Bxc2 13. Rc1 Be4 14.
Rxc7 Bc6 15. Ne5 Kd8 16. Nxf7+ Kxc7 17. Nxh8 Bd7 18. Bc4 Nc6 19. Be3 b5 20. Bb3
Nb4+ 21. Ka1 Be8 22. Rc1+ Kd7 23. Nf7 Bxf7 24. Bxf7 e6 25. Bh5 Rc8 26. Rd1+ Ke7
*
Position (FEN): 2r2b2/p3k1pp/4p3/1p5B/1n6/4B3/1P4PP/K2R4 w - - 4 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 939
Best move: Bg5#