Chess puzzle (Checkmate)
Opening: Three_Knights_Opening, Three_Knights_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. a3 a6 5. Bc4 Nge7 6. Nxe5 Nxe5 7. Ba2 Ba7 8.
d4 N5g6 9. Qf3 O-O 10. Bg5 Kh8 11. Nd5 f6 12. Be3 c6 13. Nf4 Nxf4 14. Qxf4 d5
15. O-O-O Ng6 16. Qg3 dxe4 17. h4 f5 18. h5 f4 19. hxg6 fxg3 *
Position (FEN): r1bq1r1k/bp4pp/p1p3P1/8/3Pp3/P3B1p1/BPP2PP1/2KR3R w - - 0 20
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1440
Best move: Rxh7#