Unverified60% confidenceFactExact time
In the Elo system, a rating difference of 400 points means the stronger player's expected win rate is approximately 91%, with player A's winning probability being 1/(1+10^((Rb-Ra)/400)).
2
Sources
60%
Confidence
Long-term
Relevance
8/7/2026
First Seen
Sources
阿里通义冲上Text Arena第二名，Qwen模型实力解析
Related Claims
Unverified在Elo系统中，若模型A评分为Ra、模型B评分为Rb，A获胜的期望概率为1/(1+10^((Rb-Ra)/400))78% similarUnverifiedELO评分系统由匈牙利裔美国物理学家Arpad Elo设计，评分差距每增加约200分高分者胜率约提升75%69% similarVerifiedCalibrated confidence means that when the system gives a score of 0.9, the probability of being correct should be close to 90%.69% similarUnverifiedThe Elo rating system was originally designed by Arpad Elo for chess in the 1960s; for every 400-point difference in rating, the expected win ratio is approximately 10:1.68% similarUnverifiedTwo models with an Elo difference of 80 points have a win rate difference of approximately 11 to 13 percentage points in head-to-head matchups.67% similar
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