Wu Chao
WuChao134
Beijing Haidian TT Club
π ζι³εΊ
π¨π³ CN
1351
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.
1446
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.
47.3
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.
13%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
1
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)1399 β 1493
95% (2Ο)1351 β 1541
99.7% (3Ο)1304 β 1588
Trust Level
How reliably this player submits match results. Formula: rejections per 10 submissions. Fewer rejections = higher trust.
No data
No submissions yet
Log in to challenge this player or record a match
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 |  |
ZhangQian133 | |
π WuChao134 | +17.0 |
| 4/29/2026 |  |
π AnYun131 | |
WuChao134 | +9.0 |
| 3/1/2026 | |
WuChao134 | |
π HuangJie8 | +15.0 |
| 2/25/2026 | |
WuChao134 |  |
π ChenGang135 | +9.0 |
| 2/11/2026 | |
WuChao134 |  |
π NieXue127 | +9.0 |
| 1/24/2026 |  |
π LiuJun132 | |
WuChao134 | -15.0 |
| 1/4/2026 | |
WuChao134 |  |
π WangTao137 | -27.0 |
| 12/26/2025 | |
WuChao134 |  |
π LiJie136 | -71.0 |