Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. gxf3 Nc6 6. exd6 Bxd6 7. Be3 Nf6
8. Nc3 Qe7 9. Bb5 O-O 10. Nd5 Nxd5 11. Qxd5 Nb4 12. Qb3 c6 13. Be2 a5 14. a3 a4
15. Qc3 Na6 16. Rg1 Be5 17. Bd4 Bxd4 18. Qxd4 f6 19. Bxa6 Rxa6 20. O-O-O Qe6
21. Kb1 b5 22. Rg3 Raa8 23. Qd7 Qxd7 24. Rxd7 Rf7 25. Rxf7 Kxf7 26. Kc1 Rd8 27.
Rg1 g6 28. Rd1 Rxd1+ 29. Kxd1 Ke6 30. Ke2 Ke5 31. Ke3 g5 32. b3 *
Position (FEN): 8/7p/2p2p2/1p2k1p1/p3P3/PP2KP2/2P2P1P/8 b - - 0 32
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1650
Best move: b4