Chess puzzle (Crushing)
Moves: 1. d4 e6 2. e3 d5 3. c4 Bb4+ 4. Bd2 Qd6 5. c5 Bxd2+ 6. Nxd2 Qd7 7. Qb3 c6 8.
Ngf3 Ne7 9. a4 Qc7 10. Be2 Qa5 11. O-O Na6 12. e4 Qb4 13. Bxa6 Qxb3 14. Nxb3
bxa6 15. exd5 cxd5 16. Ne5 Bd7 17. Rfc1 Bc6 18. Na5 Rc8 19. b4 f6 20. Nexc6
Nxc6 21. Nxc6 Rxc6 22. b5 axb5 *
Position (FEN): 4k2r/p5pp/2r1pp2/1pPp4/P2P4/8/5PPP/R1R3K1 w k - 0 23
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 764
Best move: axb5