Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. Nf3 dxe4 3. Ng1 Nf6 4. d3 exd3 5. Bxd3 e5 6. Nc3 Bb4 7. Ne2 O-O 8.
O-O a6 9. a4 Nc6 10. Bg5 Qd6 11. Bxf6 Qxf6 12. Nd5 Qd6 13. Nxb4 Nxb4 14. Ng3
Nxd3 15. cxd3 f5 16. Qf3 Rb8 17. Rfd1 b6 18. Rab1 Bb7 19. Qe2 Rbd8 20. Nf1 Rd7
21. Ne3 Rdf7 22. Nc4 Qc6 23. f3 Re7 24. Rbc1 Qe6 25. Ne3 e4 26. dxe4 fxe4 27.
fxe4 Rfe8 28. Rc4 Bxe4 29. Qg4 Qxg4 30. Nxg4 b5 31. axb5 axb5 32. Rcd4 c5 33.
Rd7 Bc6 34. Rxe7 Rxe7 35. Rd8+ Kf7 36. Rc8 Bd7 37. Rxc5 Bxg4 38. Rxb5 Be6 39.
Re5 Rb7 40. Re2 g6 41. Rf2+ Ke7 42. Kf1 Kd6 43. Ke1 Kc5 44. Kd1 Kb4 45. Kc1 Kb3
46. Rf3+ Ka2 *
Position (FEN): 8/1r5p/4b1p1/8/8/5R2/kP4PP/2K5 w - - 12 47
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 661
Best move: Ra3#