Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 e5 5. e4 dxe4 6. d5 Nf6 7. Bb5+ Bd7 8.
Bxd7+ Nbxd7 9. Nge2 Bc5 10. O-O O-O 11. Ng3 Nb6 12. Bg5 e3 13. fxe3 Nbxd5 14.
Qf3 h6 15. Nxd5 Qxd5 16. Bxf6 Qxf3 17. Rxf3 gxf6 18. Nf5 Kh7 19. Rh3 Kg6 20.
Rf1 Rh8 21. Rg3+ Kh7 *
Position (FEN): r6r/pp3p1k/5p1p/2b1pN2/8/4P1R1/PP4PP/5RK1 w - - 8 22
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 485
Best move: Rg7#