Hu Zhi
HuZhi55
Beijing Haidian TT Club
π ζ΅·ζ·εΊ
π¨π³ CN
1443
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.
1524
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.
40.3
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.
50%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
6
Wins
6
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)1484 β 1564
95% (2Ο)1443 β 1605
99.7% (3Ο)1403 β 1645
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. | ||
|---|---|---|---|---|---|
| 5/30/2026 | |
HuZhi55 |  |
π HeBo118 | -8.0 |
| 5/30/2026 | |
π HuZhi55 |  |
ZhouPeng29 | +6.0 |
| 5/30/2026 |  |
π JiaYue119 | |
HuZhi55 | -6.0 |
| 4/28/2026 |  |
XuBo51 | |
π HuZhi55 | +2.0 |
| 4/22/2026 |  |
WanYan107 | |
π HuZhi55 | +1.0 |
| 4/11/2026 | |
HuZhi55 |  |
π GaoYong58 | +4.0 |
| 3/30/2026 |  |
MaDong53 | |
π HuZhi55 | +7.0 |
| 2/15/2026 |  |
SunFei52 | |
π HuZhi55 | +52.0 |
| 1/10/2026 | |
HuZhi55 |  |
π GuoRui56 | +26.0 |
| 1/2/2026 | |
π HuZhi55 |  |
LuoHui59 | +58.0 |