Liu Jing
LiuJing84
Beijing Haidian TT Club
π ζι³εΊ
π¨π³ CN
1595
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.
1657
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.
31.2
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.
44%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
7
Wins
9
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)1626 β 1688
95% (2Ο)1595 β 1719
99.7% (3Ο)1563 β 1751
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. | ||
|---|---|---|---|---|---|
| 5/30/2026 | NieXue127 | π LiuJing84 | -7.0 | ||
| 5/30/2026 | LiuJing84 | π ZhangMin83 | -10.0 | ||
| 5/30/2026 | π LiuJing84 | SongQiang60 | +3.0 | ||
| 5/30/2026 | π SunFei52 | LiuJing84 | +144.0 | ||
| 5/14/2026 | π LiuJing84 | SongQiang60 | +8.0 | ||
| 5/13/2026 | π LiuJing84 | ZhaoJuan87 | +6.0 | ||
| 4/20/2026 | ZhangMin83 | π LiuJing84 | +12.0 | ||
| 4/9/2026 | LiuJing84 | π ChenLi85 | -9.0 | ||
| 3/12/2026 | LiNa82 | π LiuJing84 | +19.0 | ||
| 2/25/2026 | π LiLei42 | LiuJing84 | +13.0 |