Chen Ming
ChenMing25
Beijing Haidian TT Club
π ζ΅·ζ·εΊ
π¨π³ CN
1321
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.
1535
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.
107.2
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.
56%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
4
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)1428 β 1642
95% (2Ο)1321 β 1749
99.7% (3Ο)1213 β 1857
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. | ||
|---|---|---|---|---|---|
| 5/20/2026 | ChenMing25 | π YangChao26 | -2.0 | ||
| 5/20/2026 | π ChenMing25 | HuangJie28 | +4.0 | ||
| 3/25/2026 | π ChenMing25 | WangFang61 | +19.0 | ||
| 3/22/2026 | π ZhangJun23 | ChenMing25 | -15.0 | ||
| 3/2/2026 | π ChenMing25 | ZhouPeng29 | +26.0 | ||
| 2/26/2026 | π LiuTao24 | ChenMing25 | -34.0 | ||
| 2/8/2026 | ChenMing25 | π ZhaoGang27 | -39.0 | ||
| 1/10/2026 | WangWei21 | π ChenMing25 | +8.0 | ||
| 12/23/2025 | LiLei22 | π ChenMing25 | +27.0 |