Jamie O'Brien
United Kingdom · Ghost rating from real tournament results
488rating
84weighted games
2events
5countries faced
3W 3Lrecent record
This rating is provisional. Ghost treats a rating as established at 200 weighted games; this one has 84.
Career
Everything in the archive, handicap events excluded.
3–3career record
50%matches won
49%racks won
2025–2026competing
Best win: Alim Khan, rated 511 — 9–7.
Recent matches
Most recent first. Handicap events are excluded from the rating.
2025-05-259–8James Oyangoren · SMB 9-Ball May 2025
What this rating means
A gap of 100 rating points means 2:1 odds in a single game. At 488, Jamie O'Brien would win about 67% of games against a 388 player, and about 33% against a 588 one.
Over a race to 9 those small per-game edges compound: a 100-point favourite takes the set about 92% of the time. Try any matchup on the calculator.