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Zhang Cang
Zhang Cang
ZhangQian133
Beijing Chaoyang TT Club πŸ“ 丰台区 πŸ‡¨πŸ‡³ CN
1352
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.
1452
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.
50.2
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.
22%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
2
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)1402 β€” 1502
95%  (2Οƒ)1352 β€” 1552
99.7% (3Οƒ)1301 β€” 1603
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.
5/18/2026 ZhangQian133 πŸ† WuChao134 -11.0
5/4/2026 ZhangQian133 πŸ† LiJie136 -2.0
4/28/2026 πŸ† ZhangQian133 FengLei130 +20.0
4/21/2026 ShaoYong122 πŸ† ZhangQian133 +14.0
3/23/2026 πŸ† LiuJun132 ZhangQian133 β€”
3/19/2026 ZhangQian133 πŸ† SongXue100 +13.0
3/14/2026 πŸ† FengLei130 ZhangQian133 +11.0
2/8/2026 ZhangQian133 πŸ† ChenGang135 -15.0
1/28/2026 πŸ† AnYun131 ZhangQian133 -71.0