Chess puzzle (Checkmate)
Opening: Rat_Defense, Rat_Defense_Small_Center_Defense
Moves: 1. e4 d6 2. d4 e6 3. Bc4 a6 4. a3 h6 5. Nf3 Ne7 6. b4 g5 7. Bb2 Ng6 8. d5 e5 9.
Ba2 g4 10. Nfd2 Nf4 11. O-O h5 12. c4 h4 13. g3 Ng6 14. c5 hxg3 15. fxg3 Nh4
16. cxd6 Bxd6 17. Nc4 Nf3+ 18. Kg2 *
Position (FEN): rnbqk2r/1pp2p2/p2b4/3Pp3/1PN1P1p1/P4nP1/BB4KP/RN1Q1R2 b kq - 3 18
Black to move.
Themes:  Middlegame Hook Mate, Mate in 1 
Puzzle rating: 1059
Best move: Rxh2#