William Brock

USA · 68 yrs · K=20 · Peak 2047 (Jul 2011)

Best performance: 2188 at 2025 U.S. Senior Open Championship(Best of 2025)

World #=76110 live350#75,760 publishedUnited States #=2187

OCT26 Rating

1803

Live Rating

1803.0

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
	2026 Illinois Open - OpenSep 3 – Sep 7TPR 1697	3/9	1697

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

Event timeline · Classical

20 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.

2026 Illinois Open - Open1697
Sep 2026Swissfederation source
#5 in 2026Score 3/9Opp avg 1890Start 1832
5th Nashville Summer Classic — Major1635
Aug 2026Swissfederation source
#6 in 2026Score ½/4Opp avg 1957Start 1852
19th Annual Chicago Class — Expert1933
Jul 2026Swissfederation source
Best of 2026Score 3/5Opp avg 1861Start 1839
35th Annual Chicago Open — Under 23001879
May 2026Swissfederation source
#2 in 2026Score 3½/7Opp avg 1879Start 1830
2026 Illinois Senior State Championship — Open1775
Apr 2026Swissfederation source
#4 in 2026Score 1/3Opp avg 1900Start 1839
2026 Tim Just Winter Open XLII - Major1854
Jan 2026Swissfederation source
#3 in 2026Score 1½/5Opp avg 2003Start 1837
2025 Chicago Fall Open - Major1914
Oct – Nov 2025Swissfederation source
#2 in 2025Score 2½/5Opp avg 1914Start 1826
2025 Illinois Open - Major1749
Aug – Sep 2025Swissfederation source
#5 in 2025Score 3½/8Opp avg 1874Start 1789
2025 U.S. Senior Open Championship2188
Jul 2025Swissfederation source
Best of 2025Score 4/6Opp avg 1948Start 1789
34th Annual Chicago Open - U23001819
May 2025Swissfederation source
#4 in 2025Score 2½/7Opp avg 1921Start 1784
2025 Illinois Senior State Championship1875
Apr 2025Swissfederation source
#3 in 2025Score 3/5Opp avg 1875Start 1774
Tim Just Winter Open XLI - Major1076
Jan 2025Swissfederation source
Score 0/3Opp avg 1876Start 1798
8th Annual Sevan Muradian Memorial1657
Nov – Dec 2024Swissfederation source
#4 in 2024Score 2/4Opp avg 1782Start 1810
2024 South Dakota Governor's Cup1878
Oct 2024Swissfederation source
Best of 2024Score 2½/5Opp avg 1965Start 1805
2024 Illinois Open - Major1685
Aug – Sep 2024Swissfederation source
#3 in 2024Score 1/5Opp avg 1925Start 1821
2024 U.S. Senior Open Championship: Open Section1741
Jul 2024Swissfederation source
#2 in 2024Score 2/6Opp avg 1813Start 1834
April 2024 CCC Monthly Swiss—(2)
Apr 2024Swissfederation source
Score 0/2Opp avg 1919Start 1852
CCC Monthly Swiss October 2023—(2)
Oct 2023Swissfederation source
Score 1/3Opp avg 1407Start 1767
2023 Illinois Open State Championship - Open section1472
Sep 2023Swissfederation source
#2 in 2023Score 2½/6Opp avg 1794Start 1796
2023 U.S. Senior Open Championship1867
Jul 2023Swissfederation source
Best of 2023Score 3/5Opp avg 1795Start 1811

Rated near William Brock · Classical

World

#=76110Juan Barria1803.0
#=76110Thomas Weideman1803.0
#=76110William Brock1803.0
#=76110Robert M Stoltz1803.0
#=76110Dale Rigby1803.0

United States

#=2187Antonio Gabriel Selva1803.0
#=2187Thomas Weideman1803.0
#=2187William Brock1803.0
#=2187Robert M Stoltz1803.0
#=2187Dale Rigby1803.0

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