Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 Nge7 7. dxe5 dxe5 8.
Qe2 Ng6 9. Rd1 Bd6 10. Nc3 O-O 11. Bg5 f6 12. Be3 f5 13. exf5 Bxf5 14. Bxc6
bxc6 15. Qc4+ Kh8 16. Ng5 Qf6 17. Qxc6 h6 18. Nge4 Qh4 19. Nxd6 cxd6 20. Rxd6
Nf4 21. Bxf4 Qxf4 22. Qf3 Qxf3 23. gxf3 Bxc2 24. Rc1 Bh7 25. Re6 Rxf3 26. Rxe5
Raf8 27. Re2 Bd3 28. Rd2 R8f6 29. Kg2 a5 30. Nd5 Rf8 31. Nc3 Ba6 32. Re1 Bb7
33. Kg1 R3f5 34. Re7 Rg5+ 35. Kf1 Ba6+ 36. Ne2 Rc8 37. Ke1 Rc1+ 38. Nxc1 *
Position (FEN): 7k/4R1p1/b6p/p5r1/8/8/PP1R1P1P/2N1K3 b - - 0 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 567
Best move: Rg1#