Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nf3 g6 4. Nc3 Bg7 5. e3 e6 6. Be2 f5 7. O-O Nd7 8. b3 Ngf6
9. Ba3 Ne4 10. Nxe4 fxe4 11. Nd2 b6 12. f3 Nf6 13. fxe4 dxe4 14. Qc2 Bb7 15.
Nxe4 c5 16. Nxf6+ Bxf6 17. dxc5 Bxa1 18. Rxa1 Qg5 19. c6 Bxc6 20. Bf1 O-O-O 21.
c5 Qxe3+ 22. Kh1 Rd2 23. Qc4 Rf8 24. Qg4 Rdf2 25. cxb6 Rxf1+ 26. Rxf1 *
Position (FEN): 2k2r2/p6p/1Pb1p1p1/8/6Q1/BP2q3/P5PP/5R1K b - - 0 26
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 971
Best move: Rxf1#