Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. a3 Bxd2+ 7. Nbxd2 Bb7 8.
Bg2 d6 9. O-O O-O 10. Re1 Nbd7 11. e4 e5 12. d5 h6 13. b4 Nh7 14. h4 f5 15.
exf5 Rxf5 16. Nd4 Rf7 17. Ne6 Ndf6 18. Ne4 Bc8 19. Qd3 Bxe6 20. dxe6 Qxe6 21.
Re2 Raf8 22. Nxf6+ Nxf6 23. Bd5 Nxd5 24. cxd5 Qh3 25. Qe4 Rf3 26. Raa2 Rxg3+
27. fxg3 *
Position (FEN): 5rk1/p1p3p1/1p1p3p/3Pp3/1P2Q2P/P5Pq/R3R3/6K1 b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1588
Best move: Rf1#