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Wu Yan
Wu Yan
WuYan270
Beijing Chaoyang TT Club πŸ“ ζ΅·ζ·€εŒΊ πŸ‡¨πŸ‡³ CN
1319
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.
1423
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.
52.1
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.
30%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
3
Wins
7
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)1371 β€” 1475
95%  (2Οƒ)1319 β€” 1527
99.7% (3Οƒ)1267 β€” 1579
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.
5/4/2026 YangYan66 πŸ† WuYan270 +7.0
4/30/2026 ZhaoJuan67 πŸ† WuYan270 +21.0
4/29/2026 WuYan270 πŸ† LiNa62 +1.0
4/26/2026 πŸ† WangTao137 WuYan270 +19.0
3/27/2026 WuYan270 πŸ† XuBo11 +2.0
2/10/2026 πŸ† HuangXia68 WuYan270 -13.0
1/26/2026 WuYan270 πŸ† WangFang61 +4.0
1/26/2026 WuYan270 πŸ† LiuJing64 -89.0
1/2/2026 WuYan270 πŸ† ZhangMin63 -71.0
12/27/2025 ZhouLing69 πŸ† WuYan270 +71.0