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Fei Wei
Fei Wei
ZhaiWei128
Beijing Tongzhou TT Club πŸ“ 丰台区 πŸ‡¨πŸ‡³ CN
1445
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.
1542
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.
48.5
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.
63%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
5
Wins
3
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)1494 β€” 1591
95%  (2Οƒ)1445 β€” 1639
99.7% (3Οƒ)1397 β€” 1688
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.
5/27/2026 ZhaiWei128 πŸ† AnYun131 -14.0
5/22/2026 NieXue127 πŸ† ZhaiWei128 +6.0
5/14/2026 BiYan125 πŸ† ZhaiWei128 +4.0
4/20/2026 πŸ† ZhaiWei128 GongLan129 +25.0
3/4/2026 πŸ† ZhaiWei128 LiuTao44 +19.0
2/28/2026 ZhaiWei128 πŸ† FengLei130 -45.0
2/22/2026 ZhaiWei128 πŸ† XieTing123 -38.0
2/4/2026 MoQiang126 πŸ† ZhaiWei128 +71.0