That game is an example of the autoscore bug, which I have been warning about since Eugene first discovered it in August 2020. It was greatly reduced by the autoscore update in 2021, but then started getting worse again in the past year, Other cases are noted here: A compendium of OGS's terrible scoring system confusing beginners. I also have 20 or 30 more examples that I have never bothered to post. This bug happens a lot now.
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