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Zhou Ling
Zhou Ling
ZhouLing89
Beijing Xicheng TT Club πŸ“ 朝阳区 πŸ‡¨πŸ‡³ CN
1334
Rating iBayesian conservative rating = ΞΌ βˆ’ 2Οƒ. The system is 95% confident this player's skill is at least this value. More matches lower Οƒ and raise this number.
1471
ΞΌ (mean) iΞΌ (Mu) is the best estimate of this player's skill level. Wins raise it, losses lower it. Beating a stronger player earns more than beating a weaker one.
68.3
σ (uncertainty) iσ (Sigma) = how confident the system is in the rating. Lower is better. New players start at σ=200 — it falls with every match played.
33%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
3
Wins
6
Losses
Skill Confidence Intervals iBased on ΞΌ and Οƒ, the system estimates this player's skill range at different confidence levels. The smaller Οƒ is, the narrower the band.
68%  (1Οƒ)1403 β€” 1539
95%  (2Οƒ)1334 β€” 1608
99.7% (3Οƒ)1266 β€” 1676
Trust Level iHow reliably this player submits match results. Formula: rejections per 10 submissions. Fewer rejections = higher trust. No data
No submissions yet

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Recent Matches

Date Player A Player B Δμ iChange in ΞΌ after this match. Positive = won. The size depends on the skill gap between both players and their Οƒ values.
5/12/2026 πŸ† ZhouLing89 WangFang81 +5.0
5/10/2026 ChenLi85 πŸ† ZhouLing89 +12.0
5/5/2026 πŸ† ZhouLing89 ZhangMin83 +18.0
4/14/2026 πŸ† HuangXia88 ZhouLing89 -7.0
4/5/2026 πŸ† YangYan86 ZhouLing89 β€”
3/19/2026 πŸ† XuBo31 ZhouLing89 -1.0
2/4/2026 ZhouLing89 πŸ† LiNa82 +34.0
1/27/2026 πŸ† ZhaoJuan87 ZhouLing89 -35.0
1/19/2026 ZhouLing89 πŸ† WuYan290 -27.0