Retrograde Analysis Problem 6

Difficulty: Advanced Keywords: Joseki, Ko, Shape, Problem

Reuven I opened the game in this position after being away and noticed the 4-4 prisoners status and started wondering, where did the extra Black stone get captured...

At move 83, Black ends the ko by capturing a stone at the marked location. There're 38 black stones and 37 white stones on the board (In other words, each has 4 prisoners). Where were these stones captured?

/Attempts
/Solution?

Retrograde Analysis Problem 6 last edited by Unkx80 on June 18, 2006 - 11:16

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