Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. e5 d4 3. f4 c5 4. Nf3 h6 5. Bc4 e6 6. d3 a6 7. c3 b5 8. Bb3 Nc6 9.
Nbd2 dxc3 10. bxc3 Qb6 11. Qe2 Bb7 12. Bb2 Rd8 13. O-O-O Na5 14. Bc2 Ne7 15.
Ne4 Nec6 16. Rd2 c4 17. d4 b4 18. Rhd1 b3 19. axb3 Nxb3+ 20. Bxb3 Qxb3 21. Kb1
Na5 22. Nc5 Bxc5 23. dxc5 Rxd2 24. Nxd2 Qb5 25. g4 O-O 26. Qe3 Bd5 27. Ne4 Rb8
28. Rd2 Bxe4+ 29. Ka2 Qa4+ 30. Ba3 Qb3+ 31. Ka1 Qxa3+ 32. Ra2 Qxc3+ 33. Qxc3 *
Position (FEN): 1r4k1/5pp1/p3p2p/n1P1P3/2p1bPP1/2Q5/R6P/K7 b - - 0 33
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1399
Best move: Rb1#