Chess puzzle (Crushing)
Moves: 1. e4 c5 2. b4 b6 3. b5 d6 4. c4 a6 5. bxa6 Bxa6 6. a4 Nf6 7. Nc3 g6 8. d3 Bg7
9. Qd2 O-O 10. Nf3 Nc6 11. Be2 Ng4 12. h3 Nge5 13. Bb2 Nxf3+ 14. Bxf3 Nd4 15.
Bd1 e6 16. O-O Qc7 17. Nb5 Bxb5 18. axb5 Rxa1 19. Bxa1 Ra8 20. Bxd4 Bxd4 21.
Bb3 Ra3 22. Rb1 Qe7 23. Qf4 e5 24. Qg3 Qa7 25. Qg4 *
Position (FEN): 6k1/q4p1p/1p1p2p1/1Pp1p3/2PbP1Q1/rB1P3P/5PP1/1R4K1 b - - 3 25
Black to move.
Themes:  Endgame  
Puzzle rating: 1804
Best move: Rxb3