Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c3 c6 3. Bf4 Nf6 4. h3 Bf5 5. Nf3 h6 6. Nbd2 Nbd7 7. e3 Qb6 8. b4
a6 9. a4 e6 10. a5 Qd8 11. Be2 Be7 12. Ne5 Bd6 13. Ndf3 Ne4 14. Rc1 Nxe5 15.
dxe5 Bc7 16. Nd4 Bh7 17. f3 Qh4+ 18. g3 Nxg3 19. Bxg3 Qxg3+ 20. Kf1 Bxe5 21.
Qe1 Qxe1+ 22. Kxe1 O-O-O 23. Kd2 Bf6 24. Rhg1 e5 25. Nb3 e4 26. f4 Bf5 27. Bg4
Bxg4 28. hxg4 g6 29. Rcf1 Be7 30. f5 Bg5 31. fxg6 fxg6 32. Rf7 Rdf8 33. Rgf1
Rxf7 34. Rxf7 h5 35. Nc5 h4 36. Rxb7 h3 37. Ra7 Rh4 38. Rxa6 h2 39. Rxc6+ Kb8
40. Nd7+ Kb7 41. b5 h1=Q 42. Nc5+ Kb8 43. Nd7+ Kb7 44. a6+ Ka8 45. Rc8+ Ka7 46.
Rc7+ Ka8 47. Nb6+ Kb8 *
Position (FEN): 1k6/2R5/PN4p1/1P1p2b1/4p1Pr/2P1P3/3K4/7q w - - 7 48
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1928
Best move: Rb7#