Otake Hideo - Cho Chikun, 5th Meijin Final, 1980 (Illegal Capture)

Otake Hideo (W) vs. Cho Chikun Moves 211 to 213  

In this game, Cho Chikun recaptured the ko immediately with , which is an illegal move that would usually result in a forfeit. However, because he had asked the scorekeeper whether it was his turn to take the ko and was told it was, the result was recorded as void instead of forfeit. Ko recapture forfeits are rare, but there are several examples in the history of professional Go.