Li Na
LiNa82
Beijing Shougong TT Club
π δΈεεΊ
π¨π³ CN
1399
Rating
Bayesian conservative rating = ΞΌ β 2Ο. The system is 95% confident this player's skill is at least this value. More matches lower Ο and raise this number.
1556
ΞΌ (mean)
ΞΌ (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.
78.5
Ο (uncertainty)
Ο (Sigma) = how confident the system is in the rating. Lower is better. New players start at Ο=200 β it falls with every match played.
56%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
4
Losses
Skill Confidence Intervals
Based on ΞΌ and Ο, the system estimates this player's skill range at different confidence levels. The smaller Ο is, the narrower the band.
68% (1Ο)1478 β 1635
95% (2Ο)1399 β 1713
99.7% (3Ο)1321 β 1792
Trust Level
How reliably this player submits match results. Formula: rejections per 10 submissions. Fewer rejections = higher trust.
No data
No submissions yet
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| Date | Player A | Player B | ΞΞΌ Change in ΞΌ after this match. Positive = won. The size depends on the skill gap between both players and their Ο values. | ||
|---|---|---|---|---|---|
| 5/25/2026 | π WuYan290 | LiNa82 | -5.0 | ||
| 3/12/2026 | LiNa82 | π LiuJing84 | -17.0 | ||
| 3/11/2026 | LiNa82 | π YangYan86 | -28.0 | ||
| 2/4/2026 | ZhouLing89 | π LiNa82 | -6.0 | ||
| 1/30/2026 | π LiNa82 | ZhangMin83 | -3.0 | ||
| 1/5/2026 | π LiNa82 | ChenLi85 | +11.0 | ||
| 1/5/2026 | π HuangXia88 | LiNa82 | -45.0 | ||
| 1/5/2026 | π LiNa82 | LinLong37 | +11.0 | ||
| 12/28/2025 | WangFang81 | π LiNa82 | +90.0 |