Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Qd2
O-O 9. f3 Bd7 10. O-O-O a6 11. Kb1 b5 12. cxb5 axb5 13. Bxb5 Nxd4 14. Bxd4 Qc7
15. Bxf6 Bxf6 16. Nd5 Qa7 17. Nxf6+ exf6 18. Bxd7 Qxa2+ 19. Kc2 Qc4+ 20. Qc3
Qe2+ 21. Rd2 Qa6 22. Rb1 Rac8 23. Bxc8 Rxc8 24. Rbd1 Qa4+ 25. Kd3 Qb5+ 26. Ke3
Rxc3+ 27. bxc3 Qc5+ 28. Ke2 Qc4+ 29. Rd3 Qa2+ 30. R1d2 Qc4 31. Kf2 Qc5+ 32. Kf1
Qb5 33. Kg1 Qc5+ 34. Kh1 Qb5 35. Rxd6 *
Position (FEN): 6k1/5p1p/3R1pp1/1q6/4P3/2P2P2/3R2PP/7K b - - 0 35
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 868
Best move: Qf1#