Zhou Peng
ZhouPeng9
Beijing Chaoyang TT Club
π ζ΅·ζ·εΊ
π¨π³ CN
1260
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.
1429
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.
84.3
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.
25%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
2
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)1345 β 1513
95% (2Ο)1260 β 1598
99.7% (3Ο)1176 β 1682
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. | ||
|---|---|---|---|---|---|
| 5/19/2026 | π YangChao6 | ZhouPeng9 | -5.0 | ||
| 4/22/2026 | ZhouPeng9 | π WuHao10 | -17.0 | ||
| 3/3/2026 | π ZhouPeng9 | ZhangJun3 | +21.0 | ||
| 2/2/2026 | ZhouPeng9 | π LiLei2 | -1.0 | ||
| 1/28/2026 | HuangJie8 | π ZhouPeng9 | +57.0 | ||
| 1/23/2026 | π ChenMing5 | ZhouPeng9 | +13.0 | ||
| 1/21/2026 | ZhouPeng9 | π WangWei1 | -13.0 | ||
| 12/21/2025 | π ZhaoGang7 | ZhouPeng9 | -71.0 |