Expired90% confidenceFactTime unknown
In a coding test involving custom chess rules, Opus 4's piece movement logic malfunctioned after a few operations, and the movement system ultimately crashed.
1
Sources
90%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
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