Sos Hakobyan

USA · 66 yrs · K=20 · Peak 1902 (Aug 2016)

Best performance: 2240 at 2014 MICC Summer Tournament(Best of 2014)

OCT26 Rating

1772

Live Rating

1772.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

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Official classical rating by month

List	Rating	Change
Oct 2026	1772	0
Sep 2026	1772	0
Aug 2026	1772	0
Jul 2026	1772	0
Jun 2026	1772	0
May 2026	1772	0
Apr 2026	1772	0
Mar 2026	1772	0
Feb 2026	1772	0
Jan 2026	1772	0
Dec 2025	1772	0
Nov 2025	1772	0

Classical games since the October list

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

	Last played	Score	TPR
	2nd Koltanowski Memorial Tournament - 2000 and OverAug 16, 2025 – Aug 17, 2025TPR 956	0/3	956

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

Event timeline · Classical

46 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.

2nd Koltanowski Memorial Tournament - 2000 and Over956
Aug 2025Swissfederation source
Score 0/3Opp avg 1756Start 1806
Max Wilkerson Memorial 2020 Tuesday Night Marathon - Championship1608
Jan – Feb 2020Swissfederation source
Best of 2020Score 1/5Opp avg 1848Start 1734
Burger Memorial Championship 2020 - Open Section910
Jan 2020Swissfederation source
Score 0/4Opp avg 1710Start 1734
IM Donaldson Championship 2019 - A—(1)
Dec 2019Swissfederation source
Score 0/1Opp avg 1893Start 1739
Berkeley Club Championship 2019—(2)
Oct – Dec 2019Swissfederation source
Score 1/2Opp avg 1778Start 1798
Fall 2019 Tuesday Night Marathon1808
Oct – Dec 2019Swissfederation source
#2 in 2019Score 3/7Opp avg 1858Start 1798
Berkeley Weekender October 20191711
Oct 2019Swissfederation source
#4 in 2019Score 1½/4Opp avg 1798Start 1798
2019 Steve Brandwein Memorial Tuesday Night Marathon1013
Aug – Oct 2019Swissfederation source
Score 0/5Opp avg 1813Start 1798
44th Peoples Tournament - U20001660
Jul 2019Swissfederation source
#5 in 2019Score 2/3Opp avg 1535Start 1845
Summer 2019 Tuesday Night Marathon—(2)
May – Jul 2019Swissfederation source
Score 0/2Opp avg 1883Start 1836
19th Annual William Addison Memorial - Section A—(2)
Jun 2019Swissfederation source
Score 0/2Opp avg 1540Start 1860
Spring 2019 Tuesday Night Marathon2017
Mar – May 2019Swissfederation source
Best of 2019Score 2½/7Opp avg 2119Start 1836
Winter 2019 Tuesday Night Marathon1719
Jan – Feb 2019Swissfederation source
#3 in 2019Score 5/8Opp avg 1594Start 1840
Fall 2018 Tuesday Night Marathon1797
Oct – Dec 2018Swissfederation source
#2 in 2018Score 5½/9Opp avg 1854Start 1827
Walter Shipman Memorial Tuesday Night Marathon1885
Aug – Oct 2018Swissfederation source
Best of 2018Score 5½/8Opp avg 1783Start 1827
Berkeley Weekender July 20181768
Jul 2018Swissfederation source
#3 in 2018Score 2/4Opp avg 1768Start 1824
GM Walter Browne Marathon—(1)
Jun – Jul 2018Swissfederation source
Score 1/1Opp avg 1653Start 1824
Summer 2017 Tuesday Night Marathon—(2)
May – Jul 2017Swissfederation source
Score 1/2Opp avg 1756Start 1866
GM Koltanowski Memorial—(1)
Mar – May 2017Swissfederation source
Score 1/2Opp avg 1371Start 1877
Spring 2017 Tuesday Night Marathon1571
Mar – May 2017Swissfederation source
#5 in 2017Score 1½/4Opp avg 1658Start 1877
IM John Grefe Marathon1758
Jan – Mar 2017Swissfederation source
#4 in 2017Score 2½/5Opp avg 1758Start 1869
Winter 2017 Tuesday Night Marathon1957
Jan – Feb 2017Swissfederation source
Best of 2017Score 4½/8Opp avg 1900Start 1869
2017 CalChess Senior State Championship—(2)
Feb 2017Swissfederation source
Score 2/3Opp avg 1789Start 1866
BCS Weekender January1814
Jan 2017Swissfederation source
#3 in 2017Score 1/3Opp avg 1939Start 1869
Berkeley Chess Club Championship1847
Oct 2016 – Jan 2017Swissfederation source
#2 in 2017Score 4/6Opp avg 1847Start 1868

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