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Sun Xin
Sun Xin
SunXin92
Beijing Haidian TT Club πŸ“ 东城区 πŸ‡¨πŸ‡³ CN
1454
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.
1519
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.
32.4
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.
53%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
8
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)1487 β€” 1551
95%  (2Οƒ)1454 β€” 1584
99.7% (3Οƒ)1422 β€” 1616
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.
5/30/2026 SunXin92 πŸ† NieXue127 -3.0
5/30/2026 WuYan290 πŸ† SunXin92 +8.0
5/30/2026 πŸ† LuoTing99 SunXin92 -4.0
5/27/2026 LuoGang114 πŸ† SunXin92 +4.0
5/27/2026 πŸ† SunXin92 HuLan95 +8.0
5/21/2026 πŸ† SunXin92 MaYu93 +6.0
5/16/2026 HuZhi15 πŸ† SunXin92 +4.0
5/6/2026 SunXin92 πŸ† ZhuMei94 -8.0
4/18/2026 πŸ† LiuTao24 SunXin92 -25.0
4/5/2026 πŸ† SunXin92 GuoQian96 +1.0