Gregory Markzon

USA · 77 yrs · K=20 · Peak 2326 (Oct 2002)

Best performance: 2324 at 8th Annual Irwin National Tournament of Senior State Champions(Best of 2025)

World #=24567 live95#24,472 publishedUnited States #=707

OCT26 Rating

2022

Live Rating

2022.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

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

	Last played	Score	TPR
	54th Annual World Open — OpenJul 1 – Jul 5TPR 1890	3/9	1890

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

Event timeline · Classical

19 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.

54th Annual World Open — Open1890
Jul 2026Swissfederation source
#4 in 2026Score 3/9Opp avg 2015Start 2066
2026 US Senior Open — Open2044
Jun 2026Swissfederation source
#2 in 2026Score 4/6Opp avg 1919Start 2067
FIDE World Senior Teams Championships 2026 - Senior 65+2071
Apr 2026Teamchess-results.com
Best of 2026Score 5/9Opp avg 2028Start 2089
The Atlantic City Open2017
Apr 2026Swisslichess
#3 in 2026Score 4/8Opp avg 2017Start 2089
2025 U.S. Masters2018
Nov 2025Swissfederation source
#6 in 2025Score 1½/6Opp avg 2211Start 2079
World Senior Chess Championships 2025 - Over 652151
Oct – Nov 2025Swissfederation source
#2 in 2025Score 6/11Opp avg 2115Start 2079
8th Annual Irwin National Tournament of Senior State Champions2324
Jul 2025Swissfederation source
Best of 2025Score 4/6Opp avg 2252Start 2056
2025 U.S. Senior Open Championship1950
Jul 2025Swissfederation source
#7 in 2025Score 3/5Opp avg 1950Start 2056
XVIII American Continental Chess Championship 20252071
May 2025Swissfederation source
#4 in 2025Score 5/11Opp avg 2107Start 2056
The Princeton Open1862
Apr 2025Swissfederation source
#8 in 2025Score 1/5Opp avg 2102Start 2086
16th annual Southwest Class Championships - Master2025
Feb 2025Swissfederation source
#5 in 2025Score 3½/8Opp avg 2068Start 2107
13th annual Boston Chess Congress - Premier2148
Jan 2025Swissfederation source
#3 in 2025Score 3½/5Opp avg 1999Start 2100
World Senior Chess Championship 2024 - Open S652208
Nov 2024Swissfederation source
Best of 2024Score 6/11Opp avg 2172Start 2057
28th Annual Eastern Chess Congress - Premier2007
Oct 2024Swissfederation source
#4 in 2024Score 2/4Opp avg 2007Start 2065
2024 U.S. Senior Open Championship: Open Section2109
Jul 2024Swissfederation source
#3 in 2024Score 4½/6Opp avg 1916Start 2055
XVII Campeonato Continental Absoluto de Ajedrez de las Americas 2024 Jorge Vega In Memoriam2194
May – Jun 2024Swissfederation source
#2 in 2024Score 7/11Opp avg 2092Start 2002
16th Annual Open at Foxwoods - Major1992
Mar 2024Swissfederation source
#5 in 2024Score 4½/9Opp avg 1992Start 2008
2023 US Masters1804
Nov 2023Swissfederation source
#2 in 2023Score 1½/7Opp avg 2034Start 2054
27th annual Eastern Chess Congress - Premier1936
Oct 2023Swissfederation source
Best of 2023Score 1½/4Opp avg 2023Start 2071

Rated near Gregory Markzon · Classical

World

#=24567Emanuel Rosenthal2022.0
#=24567IMElliott Winslow2022.0
#=24567FMGregory Markzon2022.0
#=24567Daniel Johnston2022.0
#=24567Henri Meyer2022.0

United States

#=702Suyuan Gui2023.0
#=707IMElliott Winslow2022.0
#=707FMGregory Markzon2022.0
#=707Daniel Johnston2022.0
#=707Debarghya Das2022.0

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