Zhou Ling
ZhouLing69
Beijing Shougong TT Club
π ζι³εΊ
π¨π³ CN
1320
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.
1412
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.
46.2
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.
0%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
0
Wins
11
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)1366 β 1458
95% (2Ο)1320 β 1504
99.7% (3Ο)1273 β 1551
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. | ||
|---|---|---|---|---|---|
| 5/24/2026 |  |
π HuangXia68 | |
ZhouLing69 | +1.0 |
| 5/8/2026 | |
ZhouLing69 |  |
π LiNa62 | +3.0 |
| 4/16/2026 |  |
π MiaoLei110 | |
ZhouLing69 | -18.0 |
| 4/7/2026 |  |
π ChenLi65 | |
ZhouLing69 | +3.0 |
| 3/12/2026 |  |
π TangFang102 | |
ZhouLing69 | +2.0 |
| 2/18/2026 | |
ZhouLing69 |  |
π ZhangMin63 | +35.0 |
| 2/8/2026 | |
ZhouLing69 |  |
π WangFang61 | +20.0 |
| 1/23/2026 |  |
π ZhaoJuan67 | |
ZhouLing69 | -2.0 |
| 1/7/2026 |  |
π YangYan66 | |
ZhouLing69 | -8.0 |
| 1/3/2026 |  |
π ShiMing104 | |
ZhouLing69 | -49.0 |