Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 e5 5. Nc3 g6 6. e4 Bg7 7. Bd3 O-O 8. O-O Bg4
9. h3 Bxf3 10. Qxf3 Nfd7 11. Nb5 Qe7 12. Nc7 Na6 13. Nxa8 Rxa8 14. a3 Rf8 15.
g4 f6 16. Qg3 Rf7 17. f4 exf4 18. Bxf4 Ne5 19. Bxe5 dxe5 20. Rad1 Nc7 21. Bc2
Ne8 22. Qe3 b6 23. Bd3 Nd6 24. b4 cxb4 25. axb4 Nb7 26. Rc1 Qxb4 27. Ra1 Nc5
28. Be2 Qb2 29. Rfb1 Qc2 30. Rc1 Qxe4 31. Qxe4 Nxe4 32. Bf3 Nd2 33. Bg2 Nb3 34.
d6 Rd7 35. c5 Nxc5 36. Rd1 Bf8 37. Bc6 Rxd6 38. Rxd6 Bxd6 39. Rxa7 f5 40. g5 e4
41. Bd5+ Kh8 42. Ra8+ Kg7 *
Position (FEN): R7/6kp/1p1b2p1/2nB1pP1/4p3/7P/8/6K1 w - - 4 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1127
Best move: Rg8#