Chess puzzle (Checkmate)
Moves: 1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. g3 Nf6 5. Bg2 O-O 6. O-O Nc6 7. d3 e5 8. Bd2
h6 9. Qc1 Kh7 10. a3 Be6 11. b4 Qd7 12. b5 Nd8 13. Re1 Rc8 14. a4 c6 15. Rb1
Bh3 16. Bh1 Ng4 17. bxc6 bxc6 18. Qa3 f5 19. e3 Ne6 20. Qa2 f4 21. exf4 exf4
22. Ne4 fxg3 23. hxg3 Rxf3 24. Bxf3 Nd4 25. Bg2 Rf8 26. Bxh3 Nf3+ 27. Kg2 d5
28. cxd5 cxd5 29. Bxg4 Qxg4 30. Re3 dxe4 31. Rxe4 Nh4+ 32. Kg1 Nf3+ 33. Kg2
Nh4+ 34. Kg1 Qf3 35. Rxh4 Qxf2+ 36. Kh1 Qxg3 37. Be1 *
Position (FEN): 5r2/p5bk/6pp/8/P6R/3P2q1/Q7/1R2B2K b - - 1 37
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1112
Best move: Rf1#