Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. Nf3 Nf6 3. d4 Bb4+ 4. Bd2 a5 5. e3 O-O 6. Bd3 d6 7. O-O Qe7 8. a3
Bxd2 9. Qxd2 e5 10. e4 Nc6 11. d5 Nb8 12. Nc3 a4 13. Rfe1 Nbd7 14. Bc2 Nc5 15.
Qd1 Bg4 16. h3 Bxf3 17. Qxf3 Nfd7 18. Re3 Nb3 19. Rae1 Nd4 20. Qd1 Nc5 21. Rf1
Ncb3 22. Nxa4 Nxc2 23. Rxb3 Nd4 24. Rxb7 f5 25. exf5 Rxf5 26. f4 Qh4 27. fxe5
Rxa4 28. Qxa4 Ne2+ 29. Kh2 Qg3+ 30. Kh1 *
Position (FEN): 6k1/1Rp3pp/3p4/3PPr2/Q1P5/P5qP/1P2n1P1/5R1K b - - 4 30
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 1077
Best move: Rxf1#