Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. f4 c5 8.
Nf3 Bg4 9. Be3 cxd4 10. Bxd4 O-O 11. Bxg7 Kxg7 12. Qd4+ f6 13. Be2 Nc6 14. Qxd8
Rfxd8 15. O-O Bxf3 16. Rxf3 e5 17. f5 Rd2 18. Bb5 gxf5 19. Rxf5 Rc2 20. Rf3 Rd8
21. Raf1 Rdd2 22. Rg3+ Kf7 23. Bc4+ Ke7 24. Rg7+ Kd6 25. Rxf6+ Kc5 26. Bd5 h5
27. Rh6 *
Position (FEN): 8/pp4R1/2n4R/2kBp2p/4P3/2P5/P1rr2PP/6K1 b - - 1 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 696
Best move: Rd1#