Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Mediterranean_Defense
Moves: 1. e4 e6 2. d4 Nf6 3. Nc3 b6 4. a3 Bb7 5. Bd3 Be7 6. Nge2 h6 7. O-O c5 8. h3
cxd4 9. Nxd4 O-O 10. Be3 Nc6 11. Nxc6 dxc6 12. Qd2 e5 13. f4 Bd6 14. fxe5 Bxe5
15. Rf5 Re8 16. Raf1 c5 17. Bxh6 gxh6 18. Qxh6 Re6 *
Position (FEN): r2q2k1/pb3p2/1p2rn1Q/2p1bR2/4P3/P1NB3P/1PP3P1/5RK1 w - - 1 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1362
Best move: Rg5#