Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. e3 O-O 6. Bd3 b6 7. Nge2 Bb7 8. O-O
a5 9. Qc2 Na6 10. a3 c5 11. d5 e6 12. dxe6 dxe6 13. Rad1 Qe7 14. e4 fxe4 15.
Nxe4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 e5 18. Rd2 Rae8 19. Bg3 Bh6 20. Rd5 Bg7 21.
Rfd1 Qe6 22. Rd6 Qf5 23. Qb7 Nb8 24. Qxb6 Qc2 25. Nc3 e4 26. Qxc5 Bxc3 27. bxc3
Rf5 28. Qe3 Nc6 29. R6d2 Qb3 30. Bd6 Qxc4 31. f3 a4 32. Qc5 Qxc5+ 33. Bxc5 exf3
34. Bb4 Nxb4 35. cxb4 fxg2 36. Rxg2 Re3 37. Rd7 *
Position (FEN): 6k1/3R3p/6p1/5r2/pP6/P3r3/6RP/6K1 b - - 2 37
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 729
Best move: Re1#