Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8.
e5 Ng8 9. Bd4 Qc7 10. Bc4 Bxe5 11. O-O d5 12. Bxd5 cxd5 13. Nxd5 Qd6 14. Bxe5
Qxe5 15. Re1 Qd6 16. Qd4 f6 17. Rxe7+ Kf8 18. Rc7 Be6 19. Nf4 Qxd4 20. Nxe6+
Ke8 21. Nxd4 Nh6 22. Re1+ Kf8 23. Ne6+ Ke8 24. Nc5+ Kf8 25. Ree7 Nf5 26. Ne6+
Kg8 27. Rg7+ Nxg7 *
Position (FEN): r5kr/p1R3np/4Npp1/8/8/8/PPP2PPP/6K1 w - - 0 28
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 868
Best move: Rxg7#