Huang Xia
HuangXia68
Beijing Shougong TT Club
π δΈ°ε°εΊ
π¨π³ CN
1362
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.
1467
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.
52.6
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.
50%
Win Rate
Wins Γ· (wins + losses). Requires at least 1 match.
5
Wins
5
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)1414 β 1520
95% (2Ο)1362 β 1572
99.7% (3Ο)1309 β 1625
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 |
| 5/20/2026 |  |
ZhangJun3 | |
π HuangXia68 | +15.0 |
| 5/16/2026 |  |
π ChenLi65 | |
HuangXia68 | -6.0 |
| 5/8/2026 | |
HuangXia68 |  |
π WangFang61 | -1.0 |
| 5/5/2026 |  |
LiuJun132 | |
π HuangXia68 | +18.0 |
| 3/24/2026 |  |
π ZhaoJuan67 | |
HuangXia68 | +4.0 |
| 2/10/2026 | |
π HuangXia68 |  |
WuYan270 | +14.0 |
| 1/24/2026 |  |
LiuJing64 | |
π HuangXia68 | +40.0 |
| 1/22/2026 | |
HuangXia68 |  |
π LiNa62 | -38.0 |
| 1/14/2026 |  |
π YangYan66 | |
HuangXia68 | -71.0 |