Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
Bd7 9. Bc4 Rc8 10. Bb3 O-O 11. O-O-O Nxd4 12. Bxd4 b5 13. Kb1 b4 14. Nd5 Nxd5
15. Bxd5 a5 16. Bxg7 Kxg7 17. h4 h5 18. e5 dxe5 19. Bb3 Bf5 20. Qe2 Qc7 21. Rc1
f6 22. Bd5 Rfd8 23. Be4 Bxe4 24. fxe4 Rd4 25. g4 hxg4 26. Rhd1 Qd7 27. Rxd4
exd4 28. Rg1 f5 29. exf5 gxf5 30. Qe5+ Kg6 31. Qxa5 Qd6 32. h5+ Kg5 33. Rf1 e5
34. Qa7 Qc7 35. Qa6 Qxc2+ 36. Ka1 Qc1+ 37. Rxc1 *
Position (FEN): 2r5/8/Q7/4ppkP/1p1p2p1/8/PP6/K1R5 b - - 0 37
Black to move.
Themes:  Endgame, Queen and Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 418
Best move: Rxc1#