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Yang Chao
Yang Chao
YangChao46
Beijing Tongzhou TT Club πŸ“ θ₯ΏεŸŽεŒΊ πŸ‡¨πŸ‡³ CN
1422
Rating iBayesian conservative rating = ΞΌ βˆ’ 2Οƒ. The system is 95% confident this player's skill is at least this value. More matches lower Οƒ and raise this number.
1501
ΞΌ (mean) iΞΌ (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.
39.7
σ (uncertainty) iσ (Sigma) = how confident the system is in the rating. Lower is better. New players start at σ=200 — it falls with every match played.
56%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
5
Wins
4
Losses
Skill Confidence Intervals iBased on ΞΌ and Οƒ, the system estimates this player's skill range at different confidence levels. The smaller Οƒ is, the narrower the band.
68%  (1Οƒ)1461 β€” 1541
95%  (2Οƒ)1422 β€” 1580
99.7% (3Οƒ)1382 β€” 1620
Trust Level iHow reliably this player submits match results. Formula: rejections per 10 submissions. Fewer rejections = higher trust. No data
No submissions yet

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Recent Matches

Date Player A Player B Δμ iChange in ΞΌ after this match. Positive = won. The size depends on the skill gap between both players and their Οƒ values.
5/14/2026 YangChao46 πŸ† HuangJie48 -1.0
5/7/2026 YangChao46 πŸ† ZhouPeng49 -10.0
5/7/2026 LiLei42 πŸ† YangChao46 +11.0
5/5/2026 YangChao46 πŸ† YangYan66 -23.0
4/25/2026 LiuTao44 πŸ† YangChao46 +13.0
4/21/2026 πŸ† YangChao46 ZhaoGang47 +2.0
3/18/2026 πŸ† YangChao46 WuHao50 +26.0
2/27/2026 πŸ† ZhangJun43 YangChao46 -33.0
1/13/2026 ChenMing45 πŸ† YangChao46 +15.0