Colin Diamond

USA · 30 yrs · K=20 · Peak 1947 (Jun 2026)

Best performance: 2182 at 2026 Marshall Premier FIDE | May(Best of 2026)

World #=46503 live218#46,285 publishedUnited States #=1289

OCT26 Rating

1908

Live Rating

1908.0

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
	Marshall September FIDE Premier Open & U2000 — FIDE Premier OPENSep 11 – Sep 13TPR 1788	1½/5	1788

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

Event timeline · Classical

33 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.

Marshall September FIDE Premier Open & U2000 — FIDE Premier OPEN1788
Sep 2026Swissfederation source
#6 in 2026Score 1½/5Opp avg 1937Start 1927
Marshall MONTHLY FIDE U2400 & U1800 — 2026 August Marshall Monthly FIDE - U24001947
Aug 2026Swissfederation source
#2 in 2026Score 3/4Opp avg 1754Start 1947
Marshall August FIDE Premier Open & U2000 — OPEN1809
Aug 2026Swissfederation source
#5 in 2026Score 1/4Opp avg 2002Start 1947
2026 Marshall Premier FIDE | May2182
May 2026Swisslichess
Best of 2026Score 3½/5Opp avg 2033Start 1911
2026 March-April Marshall Mondays — Marshall FIDE Monday—(2)
Mar – Apr 2026Swissfederation source
Score 1/2Opp avg 1773Start 1913
2026 February-March Marshall Mondays Round 4-6—(2)
Mar 2026Swissfederation source
Score 1½/2Opp avg 1892Start 1913
2026 Marshall Premier FIDE | March1870
Mar 2026Swisslichess
#4 in 2026Score 1½/4Opp avg 1957Start 1913
2026 February-March Marshall Mondays Round 1-3—(2)
Feb 2026Swissfederation source
Score 1½/2Opp avg 1828Start 1907
2026 Marshall Premier FIDE | January1895
Jan 2026Swisslichess
#3 in 2026Score 2/5Opp avg 1967Start 1909
2025 November Marshall Premier FIDE - Open1902
Nov 2025Swissfederation source
#6 in 2025Score 1½/4Opp avg 1989Start 1913
2025 October Marshall Premier FIDE - Open1908
Oct 2025Swissfederation source
#4 in 2025Score 2/5Opp avg 1980Start 1914
2025 September Marshall Monthly FIDE - U24002108
Sep 2025Swissfederation source
Best of 2025Score 3/4Opp avg 1915Start 1894
2025 July-August Marshall Mondays Round 3-6—(2)
Jul – Aug 2025Swissfederation source
Score 2/2Opp avg 1729Start 1886
2025 July-August Marshall Mondays Round 1-2—(1)
Jul 2025Swissfederation source
Score ½/1Opp avg 1743Start 1886
2025 National Open - Under 23001888
Jun 2025Swissfederation source
#7 in 2025Score 4/7Opp avg 1888Start 1885
2025 April-May Marshall Mondays Round 2-61973
Apr – May 2025Swissfederation source
#3 in 2025Score 2½/5Opp avg 1973Start 1930
2025 May Marshall Monthly FIDE - U24001789
May 2025Swissfederation source
#8 in 2025Score 2/4Opp avg 1789Start 1930
2025 May Marshall Premier FIDE - Open1585
May 2025Swissfederation source
#9 in 2025Score ½/5Opp avg 1951Start 1930
2025 April-May Marshall Mondays Round 1—(1)
Apr 2025Swissfederation source
Score 1/1Opp avg 1732Start 1930
2025 March - April Marshall Mondays Round 4-6—(1)
Mar – Apr 2025Swissfederation source
Score 0/2Opp avg 2119Start 1931
2025 March - April Marshall Mondays Round 1-3—(2)
Mar 2025Swissfederation source
Score 1/2Opp avg 1913Start 1931
Tata Steel Chess 2025 - Tienkampen2069
Jan – Feb 2025Round robinfederation source
#2 in 2025Score 7½/9Opp avg 1818Start 1895
2025 January Marshall Premier FIDE - Open1908
Jan 2025Swissfederation source
#4 in 2025Score 2/5Opp avg 1980Start 1895
2024 Jeremy Simon Memorial - Marshall CC Amateur Championship1781
Nov 2024Swissfederation source
#5 in 2024Score 2½/4Opp avg 1686Start 1906
2024 October Marshall Premier FIDE - Open1923
Oct 2024Swissfederation source
#3 in 2024Score 1½/4Opp avg 2010Start 1905

Rated near Colin Diamond · Classical

World

#=46503Alejandro Lopez Ocampo1908.0
#=46503Eduardo Rodriguez Farias1908.0
#=46503Colin Diamond1908.0
#=46503Matteo Runge1908.0
#=46503Franklin P Lewis1908.0

United States

#=1281Brandon Joseph Chen1909.0
#=1281Jakob Sloan1909.0
#=1289Colin Diamond1908.0
#=1289Matteo Runge1908.0
#=1289Franklin P Lewis1908.0

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