Hu Zhi
HuZhi15
Beijing Xicheng TT Club
π δΈεεΊ
π¨π³ CN
1374
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.
1467
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.
46.6
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.
20%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
2
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)1420 β 1514
95% (2Ο)1374 β 1560
99.7% (3Ο)1327 β 1607
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. | ||
|---|---|---|---|---|---|
| 5/27/2026 | |
HuZhi15 |  |
π LinLong17 | +3.0 |
| 5/16/2026 | |
HuZhi15 |  |
π SunXin92 | -4.0 |
| 4/27/2026 |  |
π XuBo11 | |
HuZhi15 | -11.0 |
| 4/14/2026 | |
π HuZhi15 |  |
GuoRui16 | +17.0 |
| 3/9/2026 |  |
π MaDong13 | |
HuZhi15 | +16.0 |
| 2/24/2026 | |
HuZhi15 |  |
π GaoYong38 | -2.0 |
| 2/9/2026 |  |
π SunFei12 | |
HuZhi15 | -15.0 |
| 1/24/2026 | |
HuZhi15 |  |
π LuoHui19 | +1.0 |
| 12/28/2025 |  |
ZhuKai14 | |
π HuZhi15 | +32.0 |
| 12/21/2025 | |
HuZhi15 |  |
π GaoYong18 | -71.0 |