← Back to Ranking
Xu Bo
Xu Bo
XuBo51
Beijing Chaoyang TT Club πŸ“ θ₯ΏεŸŽεŒΊ πŸ‡¨πŸ‡³ CN
1410
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.
1493
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.
41.4
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.
25%
Win Rate iWins Γ· (wins + losses). Requires at least 1 match.
2
Wins
6
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)1452 β€” 1534
95%  (2Οƒ)1410 β€” 1576
99.7% (3Οƒ)1369 β€” 1617
Trust Level iHow reliably this player submits match results. Formula: rejections per 10 submissions. Fewer rejections = higher trust. No data
No submissions yet

Log in to challenge this player or record a match

Login / Register

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.
5/25/2026 XuBo51 πŸ† SunFei52 -6.0
5/20/2026 LinLong57 πŸ† XuBo51 +10.0
5/2/2026 XuBo51 πŸ† MaDong53 -5.0
4/28/2026 XuBo51 πŸ† HuZhi55 -2.0
4/26/2026 XuBo51 πŸ† ZhuKai54 -15.0
4/14/2026 LuoHui59 πŸ† XuBo51 -9.0
3/14/2026 πŸ† SongQiang60 XuBo51 -14.0
2/21/2026 πŸ† GaoYong58 XuBo51 +28.0