One bad move nullifies forty good ones.
If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.
[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown238"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/6p1/3k1p1p/1ppp1P2/3P2P1/PpP4P/2K5/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Kxb3 Kc6 ( { Black can try: } 1... h5 2. gxh5 Kc6 3. a4 bxa4+ 4. Kxa4 Kb6 5. h4 cxd4 6. cxd4 Ka6 7. Kb4 Kb6 8. h6 gxh6 9. h5 Kc6 10. Ka5 Kc7 11. Kb5 Kd6 12. Kb6 Kd7 13. Kc5 Ke7 14. Kxd5 Kd7 15. Kc5 Kc7 16. d5 Kd7 17. d6 Kd8 18. Kc6 Kc8 19. Kc5 Kd8 20. Kc4 Kc8 21. Kd4 Kd8 22. Kc5 Kd7 23. Kd5 Kc8 24. Ke6 Kd8 25. Kxf6 Kd7 26. Ke5 Ke8 27. f6 Kd7 28. f7 Kc6 29. f8=Q { White wins
with a large material advantage. } ) ( { Black can try: } 1... c4+ 2. Kb4 Kc6 3. Ka5 Kd6 4. Kxb5 { White wins with a large material advantage. } ) 2. a4 Kb6 3. a5+ Kxa5 4. dxc5 b4 5. cxb4+ Kb5 6. Kc3 Kc6 7. Kd4 Kb5 8. Kxd5 Kxb4 9. c6 { White wins with a large material advantage. } 1-0