Chess puzzle (Crushing)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 c6 4. e4 b5 5. a4 Bd7 6. b3 cxb3 7. Qxb3 bxa4 8.
Nxa4 Qc7 9. h3 e6 10. Nf3 Nf6 11. e5 Nd5 12. Bc4 Be7 13. Ba3 Qa5+ 14. Nd2 Qc7
15. Bxe7 Nxe7 16. Nc5 O-O 17. O-O Nd5 18. Bxd5 cxd5 19. Rfb1 Bc6 20. Rb2 Nd7
21. Nxd7 Qxd7 22. Nb1 a5 23. Nc3 a4 24. Qb4 a3 25. Rxa3 Rxa3 26. Qxa3 h6 27.
Qb3 Qc7 28. Na4 *
Position (FEN): 5rk1/2q2pp1/2b1p2p/3pP3/N2P4/1Q5P/1R3PP1/6K1 b - - 3 28
Black to move.
Themes:  Endgame  
Puzzle rating: 938
Best move: Bxa4