Li Lei
LiLei22
Beijing Haidian TT Club
π δΈεεΊ
π¨π³ CN
1394
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.
1471
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.
38.6
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.
45%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
6
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)1432 β 1510
95% (2Ο)1394 β 1548
99.7% (3Ο)1355 β 1587
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. | ||
|---|---|---|---|---|---|
| 4/23/2026 |  |
π MoQiang126 | |
LiLei22 | -8.0 |
| 4/17/2026 |  |
WangWei21 | |
π LiLei22 | +2.0 |
| 3/28/2026 |  |
π ZhouPeng29 | |
LiLei22 | -5.0 |
| 3/25/2026 | |
π LiLei22 |  |
LiuTao24 | +9.0 |
| 3/23/2026 |  |
GuoQian76 | |
π LiLei22 | +25.0 |
| 3/1/2026 | |
LiLei22 |  |
π GuoRui16 | -6.0 |
| 2/25/2026 |  |
WuHao30 | |
π LiLei22 | +24.0 |
| 2/13/2026 |  |
π HuangJie28 | |
LiLei22 | -23.0 |
| 1/18/2026 | |
π LiLei22 |  |
ZhangJun23 | +51.0 |
| 12/23/2025 | |
LiLei22 |  |
π ChenMing25 | -27.0 |