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Sjaak Oosterlaken

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NED · 67 yrs · K=20 · Peak 1914 (Feb 2013)

Best performance: 1882 at Tata Steel Chess 2026 - Tienkampen(Best of 2026)

World #=65942 live, down 3506#62,436 publishedNetherlands #2723

OCT26 Rating

1847

Live Rating

1839.4

Change

-7.6

Games Played

1

Rating History · Classical

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Classical games since the October list

TournamentScoreChange
Dutch Team Competition 2026-2027 Klasse 6COct 3 – Apr 3, 2027TPR 11310/1-7.6

Event timeline · Classical

2 of 18 events · All years

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.

Recent opponents · Classical

Jan Dirk Vriend

Rated near Sjaak Oosterlaken · Classical

World

  1. #=65925Gergo Pocsik1839.6
  2. #=65925Luca Dormio1839.6
  3. #=65942Sjaak Oosterlaken1839.4
  4. #=65942Flavius-Iulian Mihailiuc1839.4
  5. #=65942Aytaj Mammadova1839.4

Netherlands

  1. #=2720Michiel Antonissen1840.0
  2. #=2720Peter Weeda1840.0
  3. #2723Sjaak Oosterlaken1839.4
  4. #2724Marius Bolck1839.2
  5. #=2725Rob Van de Kamp1839.0

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