Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg5 Be7 7. Nbd2 O-O 8.
Be2 Nc6 9. dxc5 h6 10. Bh4 Ne4 11. Bxe7 Qxe7 12. Nb3 Nxc5 13. Nxc5 Qxc5 14. O-O
Bg4 15. h3 Bxf3 16. Bxf3 Rad8 17. Qb3 b6 18. Rac1 Rfe8 19. Rfd1 Ne5 20. Bxd5
Kh8 21. Bxf7 Rxd1+ 22. Rxd1 Rf8 23. Qd5 Rxf7 24. Qxc5 bxc5 25. Rd5 Re7 26. Rxc5
Nd3 27. Rb5 Re1+ 28. Kh2 Nxf2 29. Rb7 h5 30. h4 Ng4+ 31. Kg3 Re2 32. c4 Rc2 33.
a4 Kh7 34. a5 Kg6 35. a6 Kf5 36. Rxa7 Rxb2 37. Rxg7 *
Position (FEN): 8/6R1/P7/5k1p/2P3nP/6K1/1r4P1/8 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1187
Best move: Rb3#