Zhou Peng
ZhouPeng49
Beijing Chaoyang TT Club
π ζι³εΊ
π¨π³ CN
1385
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.
1481
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.
47.8
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.
40%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
4
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)1433 β 1529
95% (2Ο)1385 β 1577
99.7% (3Ο)1338 β 1624
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. | ||
|---|---|---|---|---|---|
| 5/24/2026 |  |
π MaDong13 | |
ZhouPeng49 | -3.0 |
| 5/7/2026 |  |
YangChao46 | |
π ZhouPeng49 | +11.0 |
| 4/13/2026 |  |
LiJie136 | |
π ZhouPeng49 | +21.0 |
| 4/13/2026 | |
ZhouPeng49 |  |
π WangWei41 | -11.0 |
| 4/3/2026 |  |
π ZhaoGang47 | |
ZhouPeng49 | -27.0 |
| 2/8/2026 | |
ZhouPeng49 |  |
π ZhangJun43 | -18.0 |
| 2/1/2026 | |
π ZhouPeng49 |  |
WuHao50 | +29.0 |
| 1/7/2026 |  |
ChenMing45 | |
π ZhouPeng49 | +85.0 |
| 1/5/2026 | |
ZhouPeng49 |  |
π LiLei42 | -27.0 |
| 12/18/2025 |  |
π HuangJie48 | |
ZhouPeng49 | -71.0 |