Chen Li
ChenLi65
Beijing Haidian TT Club
π ζ΅·ζ·εΊ
π¨π³ CN
1252
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.
1500
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.
124.1
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.
69%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
9
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)1376 β 1624
95% (2Ο)1252 β 1748
99.7% (3Ο)1128 β 1872
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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Login / RegisterRecent Matches
| 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. | ||
|---|---|---|---|---|---|
| 5/30/2026 | π ChenLi65 | ZhouPeng29 | -90.0 | ||
| 5/30/2026 | π ChenLi65 | ZhaoJuan87 | -109.0 | ||
| 5/30/2026 | π ChenLi65 | ChenGang135 | -130.0 | ||
| 5/30/2026 | π ChenLi65 | ChenMing5 | -169.0 | ||
| 5/18/2026 | π ChenLi65 | HuangJie48 | +16.0 | ||
| 5/16/2026 | π ChenLi65 | HuangXia68 | +6.0 | ||
| 4/13/2026 | π LiuJing64 | ChenLi65 | -10.0 | ||
| 4/7/2026 | π ChenLi65 | ZhouLing69 | -4.0 | ||
| 2/28/2026 | π ChenLi65 | YangYan66 | +5.0 | ||
| 2/16/2026 | ChenLi65 | π ZhaoJuan67 | -12.0 |