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Wan Yan
Wan Yan
WanYan107
Beijing Xicheng TT Club πŸ“ 东城区 πŸ‡¨πŸ‡³ CN
1389
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.
1481
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.
45.9
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.
44%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
4
Wins
5
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)1435 β€” 1527
95%  (2Οƒ)1389 β€” 1573
99.7% (3Οƒ)1343 β€” 1619
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.
5/13/2026 KongPeng106 πŸ† WanYan107 +6.0
4/22/2026 WanYan107 πŸ† HuZhi55 -1.0
4/3/2026 QiLong120 πŸ† WanYan107 +25.0
3/31/2026 πŸ† BaoJing105 WanYan107 -8.0
3/31/2026 WanYan107 πŸ† LiuTao44 -5.0
3/18/2026 πŸ† ShiMing104 WanYan107 -2.0
3/4/2026 πŸ† WanYan107 TanHao108 +39.0
2/15/2026 πŸ† WanYan107 MiaoLei110 -19.0
2/10/2026 WanYan107 πŸ† FuXin109 -49.0