Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. h4 h5 3. Nc3 Bg7 4. e4 d5 5. e5 Bg4 6. f3 Bf5 7. Nge2 c5 8. Ng3
cxd4 9. Nxf5 gxf5 10. Qxd4 Nc6 11. Bb5 a6 12. Bxc6+ bxc6 13. f4 f6 14. Be3 fxe5
15. fxe5 e6 16. O-O-O Bh6 17. Bxh6 Nxh6 18. Qa4 Qb6 19. Qa3 c5 20. Na4 Qb4 21.
Qxb4 cxb4 22. Nc5 Ke7 23. Rd2 Ng4 24. Nd3 a5 25. b3 Rac8 26. Kb2 Rc3 27. a3
Rhc8 28. axb4 axb4 29. Nxb4 Re3 30. Nd3 Nxe5 31. Nxe5 Rxe5 32. Ra1 Rc7 33. Ra8
Re4 34. g3 Rg4 35. Rd3 f4 36. gxf4 Rxf4 37. Ra6 Rf2 38. Rc3 Rxc3 39. Kxc3 Rf3+
40. Kd4 Rf4+ 41. Ke5 *
Position (FEN): 8/4k3/R3p3/3pK2p/5r1P/1P6/2P5/8 b - - 4 41
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1159
Best move: Re4#