Anna Jonkman
Netherlands · Ghost rating from real tournament results
502rating
52weighted games
4events
3countries faced
5W 8Lrecent record
This rating is provisional. Ghost treats a rating as established at 200 weighted games; this one has 52.
Career
Everything in the archive, handicap events excluded.
5–8career record
38%matches won
43%racks won
2026competing
Best win: Mario Martokarijo, rated 609 — 4–1.
Recent matches
Most recent first. Handicap events are excluded from the rating.
What this rating means
A gap of 100 rating points means 2:1 odds in a single game. At 502, Anna Jonkman would win about 67% of games against a 402 player, and about 33% against a 602 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.