Wang Wei
WangWei21
Beijing Chaoyang TT Club
π θ₯ΏεεΊ
π¨π³ CN
1365
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.
1449
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.
41.9
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.
30%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
3
Wins
7
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)1407 β 1491
95% (2Ο)1365 β 1533
99.7% (3Ο)1323 β 1575
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. | ||
|---|---|---|---|---|---|
| 5/18/2026 | HuangJie28 | π WangWei21 | +8.0 | ||
| 5/15/2026 | π ZhaoGang27 | WangWei21 | +5.0 | ||
| 5/10/2026 | ShiChao112 | π WangWei21 | +8.0 | ||
| 4/17/2026 | WangWei21 | π LiLei22 | -3.0 | ||
| 4/15/2026 | WangWei21 | π LiuTao24 | -9.0 | ||
| 4/10/2026 | π ZhouPeng29 | WangWei21 | β | ||
| 4/7/2026 | WuHao50 | π WangWei21 | +44.0 | ||
| 3/15/2026 | π WuHao30 | WangWei21 | -16.0 | ||
| 1/10/2026 | WangWei21 | π ChenMing25 | -4.0 | ||
| 12/25/2025 | WangWei21 | π ZhangJun23 | -71.0 |