Chess NewsApril 27, 2026
What Is the Stupidest Rule in Chess?
DeepBlunder
16 min read

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Is 70 percent accuracy good in chess? Learn what 70%, 77%, 80%, 97% and 100% accuracy really mean for beginners and club players, and why high accuracy alone does not prove cheating.

Is 97% accuracy cheating in chess? Learn what 75%, 80%, 95%, 98% and even 100% accuracy really mean, when accuracy is suspicious, and why one score never proves engine use.

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