Unverified50% confidenceFactExact time
The 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.
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50%
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Long-term
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9/8/2026
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UnverifiedELO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%77% similarUnverifiedIn 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)).68% similarUnverified在足球预测领域Elo系统相比FIFA官方排名预测准确率通常高出5-8个百分点61% similarUnverifiedWhen the number of match samples is sufficiently large, Elo ratings converge to the maximum likelihood estimate.59% similarUnverified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))55% similar
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