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Jiang Na
Jiang Na
JiangNa111
Beijing Chaoyang TT Club πŸ“ θ₯ΏεŸŽεŒΊ πŸ‡¨πŸ‡³ CN
1368
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.
1472
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.
52.2
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.
38%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
3
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)1420 β€” 1524
95%  (2Οƒ)1368 β€” 1576
99.7% (3Οƒ)1315 β€” 1629
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.
5/15/2026 JiangNa111 πŸ† ShiChao112 -14.0
4/24/2026 πŸ† JiangNa111 FengMin113 +7.0
4/18/2026 πŸ† MiaoLei110 JiangNa111 -36.0
3/2/2026 FuXin109 πŸ† JiangNa111 +17.0
2/25/2026 TanHao108 πŸ† JiangNa111 +46.0
2/23/2026 JiangNa111 πŸ† LinLong37 +5.0
1/31/2026 JiangNa111 πŸ† LuoGang114 +11.0
1/3/2026 JiangNa111 πŸ† WangWei1 -71.0