Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 d6 6. Nc3 g6 7. e4 Bg7 8. Nf3
Qa5 9. Bb5+ Bd7 10. Qe2 O-O 11. Bd2 Nxa6 12. O-O Rfb8 13. a4 Nb4 14. Bxd7 Nxd7
15. Nb5 Bxb2 16. Rab1 Qxa4 17. Nc7 Ra7 18. Ne6 fxe6 19. Rxb2 e5 20. Rfb1 Qb5
21. Qe3 Rab7 22. Qh6 Nf6 23. Ng5 Qe8 24. Ne6 Qf7 25. Rb3 Ng4 26. Qh4 Qxf2+ 27.
Qxf2 Nxf2 28. Kxf2 Nd3+ 29. Ke2 Rxb3 30. Rf1 c4 31. Bh6 Nf4+ 32. Ke1 Re3+ 33.
Kd2 Rd3+ 34. Kc2 Ra8 35. Nxf4 exf4 36. Rxf4 Rda3 37. e5 Ra2+ 38. Kc3 R8a3+ 39.
Kd4 Ra4 *
Position (FEN): 6k1/4p2p/3p2pB/3PP3/r1pK1R2/8/r5PP/8 w - - 5 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 433
Best move: Rf8#