Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Kramer_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Nbd7 8. Bg5
a5 9. h4 Nc5 10. Be2 Qe8 11. h5 gxh5 12. Bxf6 Bxf6 13. Nxh5 Be7 14. Bg4 Kh8 15.
Qf3 Bxg4 16. Qxg4 Rg8 17. Qf5 Rg5 18. Nf6 Rxf5 *
Position (FEN): r3q2k/1pp1bp1p/3p1N2/p1nPpr2/2P1P3/2N5/PP3PP1/R3K2R w KQ - 0 19
White to move.
Themes: Kingside Attack Middlegame Arabian Mate, Mate in 1 
Puzzle rating: 1235
Best move: Rxh7#