Colin Wierum

GER · 34 yrs · K=20 · Peak 1990 (Sep 2010)

Best performance: 2208 at Czech Open 2008 F - OCE Open(Best of 2008)

OCT26 Rating

1947

Live Rating

1947.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1947	0
Sep 2026	1947	0
Aug 2026	1947	0
Jul 2026	1947	0
Jun 2026	1947	0
May 2026	1947	0
Apr 2026	1947	0
Mar 2026	1947	0
Feb 2026	1947	0
Jan 2026	1947	0
Dec 2025	1947	0
Nov 2025	1947	0

Classical games since the October list

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

	Last played	Score	TPR
	Deutsche Vereinsmeisterschaft 2012 U20Dec 27, 2012TPR 1925	3/6	1925

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

Event timeline · Classical

24 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.

Deutsche Vereinsmeisterschaft 2012 U201925
Dec 2012Teamfederation source
Best of 2012Score 3/6Opp avg 1853Start 1910
Olomouc Chess Summer 2012 - C - FIDE open1913
Aug 2012Swissfederation source
#2 in 2012Score 4½/9Opp avg 1956Start 1967
Czech Open 2012 - C - open rating tournament1651
Jul 2012Swissfederation source
#3 in 2012Score 4/9Opp avg 1738Start 1967
Deutsche Vereinsmeisterschaft 2011 U201860
Dec 2011Teamfederation source
Best of 2011Score 2½/6Opp avg 1932Start 1979
Deutsche Vereinsmeisterschaft U201844
Dec 2010Teamfederation source
#4 in 2010Score 2½/7Opp avg 2037Start 1990
Czech Open 2010 - B2080
Jul 2010Swissfederation source
#2 in 2010Score 5/9Opp avg 2037Start 1956
Czech Open 2010 - F2085
Jul 2010Teamfederation source
Best of 2010Score 3½/7Opp avg 2085Start 1956
Niedersachsen Jugendmeisterschaft U182032
Mar – Apr 2010Swissfederation source
#3 in 2010Score 5½/9Opp avg 1989Start 1941
Niedersachsen Landeseinzelmeisterschaft 2010 (Open)—(2)
Jan 2010Swissfederation source
Score 5/7Opp avg 1915Start 1934
Czech Open 2009 B - Tchibo Open1997
Jul – Aug 2009Swissfederation source
Best of 2009Score 4/9Opp avg 2040Start 1922
Czech Open 2009 F - OCE Open1922
Jul 2009Teamfederation source
#3 in 2009Score 2½/7Opp avg 2115Start 1922
Sekt oder Selters 2009 Gruppe 41926
May – Jun 2009Round robinfederation source
#2 in 2009Score 3/7Opp avg 1976Start 1949
Niedersachsen U181781
Apr 2009Swissfederation source
#5 in 2009Score 4/9Opp avg 1939Start 1949
Landeseinzelmeisterschaft Open1913
Jan 2009Swissfederation source
#4 in 2009Score 4½/7Opp avg 1913Start 1953
Norddeutsche Mannschaftsmeisterschaft U162087
Sep 2008Teamfederation source
#2 in 2008Score 4½/6Opp avg 1962Start 1896
Czech Open 2008 C - CPP Open1294
Jul 2008Swissfederation source
Score 4/8Opp avg 2094Start 1896
Czech Open 2008 F - OCE Open2208
Jul 2008Teamfederation source
Best of 2008Score 4½/7Opp avg 2083Start 1896
Niedersachsen Landesmeisterschaft U161843
Mar 2008Swissfederation source
#4 in 2008Score 4½/9Opp avg 1843Start 1905
LEM Niedersachsen Open1897
Jan 2008Swissfederation source
#3 in 2008Score 4/7Opp avg 1897Start 1905
Norddeutsche Vereinsmeisterschaft U16—(0)
Sep 2007Swissfederation source
Score 1½/7
Olomouc Chess Summer - Open Olomouc1996
Aug 2007Swissfederation source
Best of 2007Score 4½/9Opp avg 1996
Czech Open C - Mados Open1814
Jul 2007Swissfederation source
#2 in 2007Score 4/9Opp avg 1857
Offene deutsche Jugendmeisterschaft U251240
May 2007Swissfederation source
Score 4/9Opp avg 2040
LEM Niedersachsen 2007 Open—(2)
Jan 2007Swissfederation source
Score 3½/7Opp avg 1873

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