Sebastian Endo van Dooijeweert

JPN · 9 yrs · K=40 · Peak 1775 (Oct 2026)

Best performance: 1898 at XXVII Open Internacional de Sants - Ciutat de Barcelona - Grup B(Best of 2026)

World #=93051 live8531#84,520 publishedJapan #103#1 U10 in Japan

OCT26 Rating

1775

Live Rating

1751.0

Change

-24.0

Games Played

Rating History · Classical

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Classical games since the October list

	Tournament	Score	Change	TPR	After
	2026 October Marshall Premier FIDE Open & U2000 — Premier FIDE U2000Oct 2 – Oct 4TPR 1643	2½/4	-24.0	1643	1751.0

Event timeline · Classical

23 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 October Marshall Premier FIDE Open & U2000 — Premier FIDE U2000-24.0
Oct 2026Individualfederation source
#4 in 2026Score 2½/4TPR 1643Opp avg 1548Start 1775
Marshall September FIDE Premier Open & U2000 — FIDE Premier U20001828
Sep 2026Swissfederation source
#2 in 2026Score 2/3Opp avg 1703Start 1549
148th Annual NY State Championship! — Under 2100 Section1679
Sep 2026Swissfederation source
#3 in 2026Score 2½/6Opp avg 1736Start 1549
XXVII Open Internacional de Sants - Ciutat de Barcelona - Grup B1898
Aug 2026Swisschess-results.com
Best of 2026Score 5½/10Opp avg 1818Start 1549
31st annual Bradley Open — Under 21001565
Jul 2026Swissfederation source
#9 in 2026Score 1/3Opp avg 1690Start 1537
34th Annual Southern Open — U21001381
Jul 2026Swissfederation source
#13 in 2026Score ½/4Opp avg 1703Start 1537
54th Annual World Open — Under 20001623
Jul 2026Swissfederation source
#6 in 2026Score 4½/9Opp avg 1666Start 1537
2026 National Open — U21001514
Jun 2026Swissfederation source
#10 in 2026Score 1/6Opp avg 1754Start 1539
15th Annual Hartford Open — Under 2100 Section1576
Jun 2026Swissfederation source
#8 in 2026Score 1/3Opp avg 1701Start 1539
35th Annual Chicago Open — Under 21001002
May 2026Swissfederation source
Score ½/5Opp avg 1802Start 1558
ICA FIDE Championship — FIDE1631
Apr 2026Swissfederation source
#5 in 2026Score 1/3Opp avg 1756Start 1561
The Atlantic City Open - U22001496
Apr 2026Swissfederation source
#11 in 2026Score 1/5Opp avg 1736Start 1561
Reykjavik Open 20261590
Mar 2026Swisslichess
#7 in 2026Score 4/9Opp avg 1783Start 1561
2026 Connecticut Classical - U2100—(1)
Feb 2026Swissfederation source
Score 1/2Opp avg 1791Start 1570
58th annual Liberty Bell Open - U21001426
Jan 2026Swissfederation source
#12 in 2026Score 1/5Opp avg 1666Start 1633
14th Annual Boston Chess Congress - U2100—(1)
Jan 2026Swissfederation source
Score 0/1Opp avg 1779Start 1633
50th annual Eastern Open - U2200—(2)
Dec 2025Swissfederation source
Score ½/2Opp avg 1552
2025 December Marshall Premier FIDE - U20001685
Dec 2025Swissfederation source
Best of 2025Score 2/4Opp avg 1685
56th Annual National Chess Congress - U20001632
Nov 2025Swissfederation source
#2 in 2025Score 2/4Opp avg 1632
56th Annual National Chess Congress - U22001618
Nov 2025Swissfederation source
#3 in 2025Score 1½/3Opp avg 1618
2025 Marshall Chess Club Amateur Championship - Jerry Simon Memorial—(2)
Nov 2025Swissfederation source
Score 0/2Opp avg 1784
2025 October Marshall Premier FIDE - U2000—(1)
Oct 2025Swissfederation source
Score 1/2Opp avg 1686
2025 May Marshall Premier FIDE - U2000—(2)
May 2025Swissfederation source
Score 0/2Opp avg 1617

Recent opponents · Classical

Farirai Gumbe Allison J Zhang Jeffrey Ho Henry Mingzhe Li

Rated near Sebastian Endo van Dooijeweert · Classical

World

#=93051Julien Buffard1751.0
#=93051Raphael Subtil1751.0
#=93051Sebastian Endo van Dooijeweert1751.0
#=93051Dietmar Reinhard Pinto1751.0
#=93051Roland Horvath1751.0

Japan

#101Bunji Takashima1759.0
#102Kanako Kinoshita1755.0
#103Sebastian Endo van Dooijeweert1751.0
#104Tatsuya Nishino1749.0
#105WCMRikka Mitsuyama1748.0

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