Jacob Siemaszko
Poland · Ghost rating from real tournament results
570rating
144weighted games
6events
3countries faced
15W 10Lrecent record
This rating is provisional. Ghost treats a rating as established at 200 weighted games; this one has 144.
Career
Everything in the archive, handicap events excluded.
15–10career record
60%matches won
55%racks won
2020–2026competing
Best win: Bruce Hu, rated 636 — 6–5.
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 570, Jacob Siemaszko would win about 67% of games against a 470 player, and about 33% against a 670 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.