Gao Dan
GaoDan78
Beijing Shougong TT Club
π δΈ°ε°εΊ
π¨π³ CN
1349
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.
1468
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.
59.7
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.
56%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
4
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)1408 β 1528
95% (2Ο)1349 β 1587
99.7% (3Ο)1289 β 1647
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. | ||
|---|---|---|---|---|---|
| 5/22/2026 | π GaoDan78 | XuHui71 | +5.0 | ||
| 5/6/2026 | HuLan75 | π GaoDan78 | +17.0 | ||
| 4/3/2026 | π GaoDan78 | SunXin72 | +21.0 | ||
| 3/11/2026 | LinYue77 | π GaoDan78 | +3.0 | ||
| 3/11/2026 | π ZhuMei74 | GaoDan78 | -7.0 | ||
| 1/28/2026 | GaoDan78 | π LuoTing79 | -25.0 | ||
| 1/26/2026 | GaoDan78 | π SongXue80 | -77.0 | ||
| 1/23/2026 | GuoQian76 | π GaoDan78 | +148.0 | ||
| 12/31/2025 | GaoDan78 | π WuYan290 | -71.0 |