Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 dxc4 7. Bxc4 c5 8. O-O
Nc6 9. a3 Bxc3 10. bxc3 b6 11. Bd3 Bb7 12. Bb2 Re8 13. e4 cxd4 14. cxd4 e5 15.
d5 Nd4 16. Nxd4 exd4 17. f3 Qd6 18. Bxd4 Nxd5 19. exd5 Qxd5 20. Be4 Rxe4 21.
fxe4 Qxe4 22. Qd2 Rd8 23. Rf4 Rxd4 24. Rxe4 Rxd2 *
Position (FEN): 6k1/pb3ppp/1p6/8/4R3/P7/3r2PP/R5K1 w - - 0 25
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 616
Best move: Re8#