Li Lei
LiLei2
Beijing Tongzhou TT Club
π ζι³εΊ
π¨π³ CN
1448
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.
1535
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.
43.7
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.
67%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
6
Wins
3
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)1491 β 1579
95% (2Ο)1448 β 1622
99.7% (3Ο)1404 β 1666
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. | ||
|---|---|---|---|---|---|
| 5/10/2026 | π LiLei2 | ZhangJun3 | +5.0 | ||
| 4/24/2026 | π HuangJie48 | LiLei2 | -10.0 | ||
| 4/12/2026 | WangWei1 | π LiLei2 | +4.0 | ||
| 4/1/2026 | π LiLei2 | YangChao6 | +13.0 | ||
| 2/25/2026 | LiLei2 | π ChenMing5 | -19.0 | ||
| 2/2/2026 | ZhouPeng9 | π LiLei2 | -3.0 | ||
| 1/27/2026 | LiLei2 | π LiuTao4 | -36.0 | ||
| 1/20/2026 | HuangJie8 | π LiLei2 | +59.0 | ||
| 12/23/2025 | WuHao10 | π LiLei2 | +27.0 |