Zhao Gang
ZhaoGang27
Beijing Xicheng TT Club
π δΈεεΊ
π¨π³ CN
1440
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.
1539
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.
49.6
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.
70%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
7
Wins
3
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)1489 β 1589
95% (2Ο)1440 β 1638
99.7% (3Ο)1390 β 1688
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. | ||
|---|---|---|---|---|---|
| 5/23/2026 | |
ZhaoGang27 |  |
π ZhouPeng29 | -9.0 |
| 5/15/2026 | |
π ZhaoGang27 |  |
WangWei21 | -5.0 |
| 5/1/2026 | |
π ZhaoGang27 |  |
HuangJie28 | -4.0 |
| 4/2/2026 |  |
SongQiang60 | |
π ZhaoGang27 | +18.0 |
| 3/24/2026 |  |
π YangChao26 | |
ZhaoGang27 | -9.0 |
| 2/22/2026 |  |
ZhangJun23 | |
π ZhaoGang27 | -6.0 |
| 2/8/2026 |  |
ChenMing25 | |
π ZhaoGang27 | +30.0 |
| 1/28/2026 | |
π ZhaoGang27 |  |
WuHao30 | +50.0 |
| 1/7/2026 |  |
π MaYu93 | |
ZhaoGang27 | -115.0 |
| 12/21/2025 |  |
LiuTao24 | |
π ZhaoGang27 | +71.0 |