Chess puzzle (Checkmate)
Moves: 1. c4 d5 2. cxd5 Nf6 3. Nc3 Nxd5 4. g3 Nxc3 5. bxc3 Bf5 6. Bg2 c6 7. e4 Bg6 8.
d4 e6 9. Be3 Qa5 10. Qb3 Bd6 11. Ne2 b5 12. e5 Bc7 13. O-O O-O 14. Nf4 Bf5 15.
Qb4 Na6 16. Qxa5 Bxa5 17. Bxc6 Bxc3 18. Rac1 Bb2 19. Bxa8 Bxc1 20. Rxc1 Rxa8
21. a3 b4 22. Rc6 Rb8 23. Rxa6 b3 24. Ne2 b2 25. Nc3 h6 26. Rxa7 b1=Q+ 27. Nxb1
Rxb1+ 28. Kg2 Be4+ 29. Kh3 Ra1 30. a4 g5 31. a5 Kg7 32. f4 Kg6 33. fxg5 hxg5
34. Bd2 Ra2 35. Bc3 Kh5 36. g4+ Kg6 37. Rc7 Ra3 38. Kg3 Ra2 39. h4 Rg2+ 40. Kh3
gxh4 41. Kxh4 Rh2+ 42. Kg3 Rg2+ 43. Kh3 Ra2 44. Rc8 Ra3 45. Kg3 Bd5 46. Kf4 Bb7
47. Rb8 Bd5 48. Bd2 *
Position (FEN): 1R6/5p2/4p1k1/P2bP3/3P1KP1/r7/3B4/8 b - - 14 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 766
Best move: Rf3#