Chess puzzle (Checkmate)
Moves: 1. e3 c5 2. Nf3 d6 3. b3 Nc6 4. Bb5 Bd7 5. d4 a6 6. Bc4 Bf5 7. d5 Nb4 8. Na3 b5
9. Be2 Be4 10. c3 Nxd5 11. Bb2 Ngf6 12. c4 bxc4 13. bxc4 Nb4 14. Bxf6 exf6 15.
O-O Be7 16. Nd2 f5 17. Nxe4 fxe4 18. f3 exf3 19. Bxf3 Rb8 20. Nc2 Nxc2 21. Qxc2
O-O 22. Be4 g6 23. Bd5 Bf6 24. Rab1 Qe8 25. e4 Qe5 26. Qf2 Rxb1 27. Rxb1 Qc3
28. Kh1 Bd4 29. Qg3 Be5 30. Qxc3 Bxc3 31. Rb6 Rd8 32. Rb7 Rf8 33. Rd7 Be5 34.
Rb7 Kg7 35. Ra7 h5 36. Rxa6 Rb8 37. Ra7 *
Position (FEN): 1r6/R4pk1/3p2p1/2pBb2p/2P1P3/8/P5PP/7K b - - 2 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 963
Best move: Rb1#