Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 Nc6 5. Nf3 d6 6. d3 h6 7. O-O O-O 8. a3
Bg4 9. b4 Bd4 10. Bb2 Re8 11. e3 Bxc3 12. Bxc3 e4 13. dxe4 Nxe4 14. Bb2 Ne5 15.
h3 Nxf3+ 16. Bxf3 Bxh3 17. Re1 Qg5 18. Qd5 Qxd5 19. cxd5 Nd2 20. Bg2 Bf5 21.
Rac1 Rac8 22. f3 a5 23. e4 Bd7 24. Re2 Nb3 25. Rc3 a4 26. Rec2 Nd4 27. Rd2 Nb5
28. Rc4 c6 29. Rdc2 cxd5 30. exd5 Rxc4 31. Rxc4 Re2 32. Bc1 Re1+ 33. Kf2 Rd1
34. f4 Rd3 35. Bf1 Rxd5 36. Bg2 Rd3 37. Bxb7 Be6 38. Re4 Nxa3 39. Bxa3 Rxa3 40.
Rd4 Rb3 41. Be4 a3 42. Rxd6 Rxb4 *
Position (FEN): 6k1/5pp1/3Rb2p/8/1r2BP2/p5P1/5K2/8 w - - 0 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 911
Best move: Rd8#