Chess puzzle (Crushing)
Moves: 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. a3 b6 5. b4 a5 6. b5 Ne7 7. e4 c6 8. d3 cxb5
9. cxb5 Bb7 10. Nf3 d5 11. Nxe5 dxe4 12. Bg5 h6 13. Bxf6 gxf6 14. Nc6 Nxc6 15.
bxc6 Bxc6 16. Nxe4 Bg7 17. Rc1 Bd5 18. Be2 f5 19. O-O O-O 20. Nd2 Bb2 21. Rb1
Bxa3 22. Nc4 Bxc4 23. dxc4 Qxd1 24. Rfxd1 Rad8 25. Bd3 Bc5 26. Bxf5 Rxd1+ 27.
Rxd1 Ra8 28. Bd7 Rd8 29. g3 a4 30. Kf1 *
Position (FEN): 3r2k1/3B1p2/1p5p/2b5/p1P5/6P1/5P1P/3R1K2 b - - 1 30
Black to move.
Themes:  Endgame  
Puzzle rating: 1381
Best move: a3