Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. cxd5 Nf6 4. dxc6 Nxc6 5. Nf3 e5 6. Nxe5 Nxe5 7. dxe5 Qxd1+
8. Kxd1 Ng4 9. Ke1 Nxe5 10. Nc3 Be6 11. Bf4 Nc4 12. Rb1 Bb4 13. Kd1 O-O-O+ 14.
Kc2 Rhe8 15. e4 Bd6 16. Bxd6 Nxd6 17. Be2 Bc4 18. f3 Bxe2 19. Nxe2 f5 20. Nc3
fxe4 21. fxe4 Nxe4 22. Nxe4 Rxe4 23. Rhe1 Rf4 24. Re2 Rc4+ 25. Kb3 b5 26. Rf1 *
Position (FEN): 2kr4/p5pp/8/1p6/2r5/1K6/PP2R1PP/5R2 b - - 1 26
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 825
Best move: Rd3#