Chess puzzle (Checkmate)
Moves: 1. g3 d5 2. Bg2 e5 3. e3 c5 4. Ne2 Nc6 5. O-O f5 6. d4 cxd4 7. exd4 e4 8. Be3
Nf6 9. Nd2 Be7 10. c4 O-O 11. cxd5 Nxd5 12. Qb3 Kh8 13. Nc4 a6 14. Nc3 Nxc3 15.
bxc3 b5 16. Nd2 Na5 17. Qc2 Bb7 18. c4 Rc8 19. c5 Bd5 20. Rfc1 Bf6 21. Nb3 Nc4
22. Qe2 Bg5 23. Rab1 Bxe3 24. fxe3 Qg5 25. Rc3 Rb8 26. Nd2 Na5 27. Rc2 Rfc8 28.
Rcb2 Nc4 29. Nxc4 Bxc4 30. Qd2 Bd3 31. Rc1 Qd8 32. Bf1 Bxf1 33. Kxf1 Qd5 34.
Rcb1 Qc4+ 35. Qe2 Qxe2+ 36. Kxe2 Kg8 37. a4 Kf7 38. axb5 axb5 39. Rxb5 Rxb5 40.
Rxb5 Ke6 41. Rb6+ Kd5 42. Kd2 Kc4 43. Rb7 Ra8 44. Rb2 g5 45. Rc2+ Kd5 46. Rb2
h5 47. Kc3 Ra3+ 48. Rb3 Ra1 49. Rb6 Ra3+ 50. Kb4 Rxe3 *
Position (FEN): 8/8/1R6/2Pk1ppp/1K1Pp3/4r1P1/7P/8 w - - 0 51
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 856
Best move: Rd6#