Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 d6 5. Bb5 Bd7 6. dxe5 Nxe5 7. Nxe5 dxe5 8.
Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. c3 Nf6 11. Nd2 Rd8 12. b3 Bc5 13. Bb2 Bxf2+ 14.
Kxf2 Ng4+ 15. Kg3 h5 16. Nc4 Kc8 17. h3 Rd3+ 18. Kh4 Nf2 19. Rhf1 f6 20. Rxf2 *
Position (FEN): 2k4r/ppp3p1/5p2/4p2p/2N1P2K/1PPr3P/PB3RP1/R7 b - - 0 20
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 924
Best move: g5#