Wu Hao
WuHao50
Beijing Haidian TT Club
π ζ΅·ζ·εΊ
π¨π³ CN
1377
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.
1483
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.
52.9
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.
38%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
8
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)1430 β 1536
95% (2Ο)1377 β 1589
99.7% (3Ο)1324 β 1642
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. | ||
|---|---|---|---|---|---|
| 6/2/2026 | |
WuHao50 |  |
π GaoYong58 | +9.0 |
| 5/17/2026 | |
π WuHao50 |  |
LiuTao44 | +8.0 |
| 5/1/2026 |  |
ZhaoGang47 | |
π WuHao50 | +5.0 |
| 4/7/2026 | |
WuHao50 |  |
π WangWei21 | -13.0 |
| 3/21/2026 | |
WuHao50 |  |
π ZhuKai54 | -10.0 |
| 3/18/2026 |  |
π YangChao46 | |
WuHao50 | -10.0 |
| 3/3/2026 | |
π WuHao50 |  |
WangWei41 | +10.0 |
| 3/1/2026 | |
π WuHao50 |  |
ZhangJun43 | +19.0 |
| 2/14/2026 |  |
π FuXin109 | |
WuHao50 | -9.0 |
| 2/1/2026 |  |
π ZhouPeng49 | |
WuHao50 | -21.0 |