Mark Eidemiller

USA · 67 yrs · K=20 · Peak 2263 (Oct 2005)

Best performance: 2060 at 33rd Annual Chicago Open - U2300(Best of 2024)

World #=21533 live68#21,465 publishedUnited States #=625

OCT26 Rating

2045

Live Rating

2045.0

Change

0.0

Games Played

Rating History · Classical

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Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	27th Annual Pittsburgh Open — MajorJul 17 – Jul 19TPR 1988	3/5	1988

The live rating moves only when new rated games are played. Until then it matches the published rating.

6 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

27th Annual Pittsburgh Open — Major1988
Jul 2026Swissfederation source
Best of 2026Score 3/5Opp avg 1916Start 2052
26th Annual Pittsburgh Open - Major1901
Jul 2025Swissfederation source
Best of 2025Score 2/3Opp avg 1776Start 2062
52nd Annual World Open2029
Jul 2024Swissfederation source
#2 in 2024Score 3½/9Opp avg 2109Start 2083
33rd Annual Chicago Open - U23002060
May 2024Swissfederation source
Best of 2024Score 5/7Opp avg 1902Start 2087
32nd annual Kings Island Open - Major1787
Nov 2023Swissfederation source
Best of 2023Score 2/4Opp avg 1787Start 2114
13th annual Washington Chess Congress - Premier1733
Oct 2023Swissfederation source
#2 in 2023Score 1/3Opp avg 1858Start 2144

Live ratings projected from the OCT26 published list · Not affiliated with FIDE