Chess puzzle (Crushing)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nc3 c5 5. f4 Nc6 6. Nf3 d5 7. cxd5 Nxd5 8. d4
cxd4 9. Nxd4 Nxc3 10. bxc3 Nxd4 11. Qxd4 Qxd4 12. cxd4 e6 13. Bb5+ Bd7 14.
Bxd7+ Kxd7 15. O-O Rc8 16. a4 Rc4 17. Rd1 Bb4 18. Ba3 Bxa3 19. Rxa3 Kc6 20. Kf2
Rc2+ 21. Kf3 Rd8 22. h4 Rd5 23. g4 a5 24. Rdd3 b5 25. axb5+ Rxb5 26. f5 Kd5 27.
Ra4 Rc4 28. fxe6 *
Position (FEN): 8/5ppp/4P3/pr1kP3/R1rP2PP/3R1K2/8/8 b - - 0 28
Black to move.
Themes: Hanging Piece Endgame, Rook Endgame  
Puzzle rating: 1070
Best move: Rxa4