Jon Ulfur Hafthorsson

ISL · 24 yrs · K=20 · Peak 1935 (May 2026)

Best performance: 1935 at WE I 2025 grp 4(Best of 2025)

World #=54301 live1467#52,834 publishedIceland #178

OCT26 Rating

1882

Live Rating

1877.6

Change

-4.4

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

	Tournament	Score	Change	TPR	After
	Wasa KM 2026Sep 2 – Nov 11TPR 1797	1/2	-4.4	1797	1877.6

Event timeline · Classical

50 of 59 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.

Wasa KM 2026-4.4
Sep – Nov 2026Individualchess-results.com
Score 1½/3Opp avg 1797Start 1882
Uppsala Chess Festival 2026 Weekend 2_1—(1)
Aug 2026Round robinfederation source
Score 0/1Opp avg 2148Start 1935
CZECH OPEN 2026 - B - GASCO OPEN - open rating tournament1647
Jul – Aug 2026Swisschess-results.com
Best of 2026Score 3/9Opp avg 1772Start 1935
Wasa Varturnering 2026 r5-6—(1)
Jan – Mar 2026Swissfederation source
Score 1/1Opp avg 1791Start 1883
Allsvenskan 2025-2026: III:2 r7—(1)
Oct 2025 – Mar 2026Teamfederation source
Score ½/1Opp avg 1786Start 1880
Wasa Varturnering 2026 r3-4—(1)
Jan – Feb 2026Swissfederation source
Score 1/1Opp avg 1685Start 1883
Sthlm Lag-DM 2025-2026 div 4 r5—(1)
Oct 2025 – Feb 2026Teamfederation source
Score 1/1Opp avg 1871Start 1880
Sthlm Lag-DM 2025-2026 div 2 r5—(1)
Sep 2025 – Feb 2026Teamfederation source
Score 0/1Opp avg 1988Start 1880
Wasa Varturnering 2026 r7—(2)
Jan 2026Swissfederation source
Score 2/2Opp avg 1954Start 1883
Wasa Varturnering 2026 r1-2—(1)
Jan 2026Swissfederation source
Score 1/1Opp avg 1519Start 1883
Sthlm Lag-DM 2025-2026 div 3 r4—(0)
Oct 2025 – Jan 2026Teamfederation source
Score 1/1Start 1880
Sthlm Lag-DM 2025-2026 div 2 R 4—(0)
Sep 2025 – Jan 2026Teamfederation source
Score 1/1Start 1880
Allsvenskan 2025-2026: III:2 r4—(1)
Oct 2025 – Jan 2026Teamfederation source
Score 1/1Opp avg 1818Start 1880
Sthlm Lag-DM 2025-2026 div 1 r4—(1)
Sep – Dec 2025Teamfederation source
Score 0/1Opp avg 1937Start 1880
Allsvenskan 2025-2026: II:2 r5-6—(1)
Dec 2025Teamfederation source
Score ½/1Opp avg 1972Start 1874
Allsvenskan 2025-2026: II:2 r3—(0)
Oct – Dec 2025Teamfederation source
Score 0/1Start 1880
Sthlm Lag-DM 2025-2026 div 3 r3—(1)
Oct – Dec 2025Teamfederation source
Score 1/1Opp avg 1820Start 1880
Wasa KM 2025 R678—(0)
Sep – Nov 2025Swissfederation source
Score 0/2Start 1880
Sthlm Lag-DM 2025-2026 div 2 r3—(1)
Sep – Nov 2025Teamfederation source
Score 1/1Opp avg 1870Start 1880
Wasa KM 2025 R345—(2)
Sep – Oct 2025Swissfederation source
Score 1/2Opp avg 1718Start 1880
Sthlm Lag-DM 2025-2026 div 1 r2—(1)
Sep – Oct 2025Teamfederation source
Score 0/1Opp avg 1936Start 1880
Allsvenskan 2025-2026: II:2 r1—(1)
Oct 2025Teamfederation source
Score 1/1Opp avg 1872Start 1880
USSS KM 2025 r1-3—(1)
Sep – Oct 2025Swissfederation source
Score ½/1Opp avg 2001Start 1880
Sthlm Lag-DM 2025-2026 div 2 r1—(1)
Sep 2025Teamfederation source
Score 1/1Opp avg 1637Start 1880
Wasa KM 2025 R12—(2)
Sep 2025Swissfederation source
Score 1/2Opp avg 1741Start 1880

Recent opponents · Classical

Majkel Kokocinski Karam Masoudi

Rated near Jon Ulfur Hafthorsson · Classical

World

#=54299Alessandro Jair Cardenas Huachaca1877.8
#=54299Gregoire Aeschbacher1877.8
#=54301Jon Ulfur Hafthorsson1877.6
#=54301Riccardo Regnante1877.6
#=54303Sjo Smeets1877.4

Iceland

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