Richard Koomen
Netherlands · Ghost rating from real tournament results
Richard Koomen has played 90% of their games against players from their own country. That places them confidently at home; comparing them to the rest of the world rests on much less evidence.
Career
Everything in the archive, handicap events excluded.
Best win: Mervin Saib, rated 568 — 4–3.
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 482, Richard Koomen would win about 67% of games against a 382 player, and about 33% against a 582 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.