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Jacobus Cornelis Bostelaar

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ESP · 76 yrs · K=40 · Peak 1637 (Mar 2024, includes FIDE’s rating adjustment)

Best performance: 1395 at II Obert Vila de Tossa(Best of 2023)

World #=220436 live, down 3667#216,769 publishedSpain #=18970Europe #=131805among active players

Classical rating

1427

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Oct 2023

How live ratings are calculated

Rating History · Classical

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Classical rating 1492 to 1427 over the last 12 months; peak 1637 in March 2024.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassical
Nov 20261427, 0, 0 games
Oct 20261427, -66, 6 games
Sep 20261493, 0, 0 games
Aug 20261493, 0, 0 games
Jul 20261493, 0, 0 games
Jun 20261493, 0, 0 games
May 20261493, 0, 0 games
Apr 20261493, 0, 0 games
Mar 20261493, 0, 0 games
Feb 20261493, +1, 0 games
Jan 20261492, 0, 0 games
Dec 20251492, 0, 0 games

Form · Classical

oldest → latest

From 24 classical games on record, the latest on Sep 20.

Classical games since the November list

No rated classical games this rating periodsince the NOV26 list (Nov 1, 2026)

Last playedScore
V Obert Vila de Tossa (sub 2400)Sep 18 – Sep 20TPR 8811/7

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

Best wins · Classical

From 22 rated classical games against rated opponents, 2023–2026

#OpponentRating
1, Jose Garcia Castany, Sep 2023 · II Obert Vila de Tossa, 1282

Event timeline · Classical

4 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.

Performance rating by year

YearGamesScoreAvg oppTPR
2026601681881
2025601689889
2024401765965
202361½15881395

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Rated near Jacobus Cornelis Bostelaar · Classical

World

  1. #=220436Adolfo Barbosa Alvarez1427.0
  2. #=220436Alvaro Domingo Lazaro1427.0
  3. #=220436Jacobus Cornelis Bostelaar1427.0
  4. #=220723Rudis Ozols1426.8
  5. #=220723Edwin Gravini1426.8

Spain

  1. #=18970Adolfo Barbosa Alvarez1427.0
  2. #=18970Alvaro Domingo Lazaro1427.0
  3. #=18970Jacobus Cornelis Bostelaar1427.0
  4. #18983Sara Madrigal Navarro1426.8
  5. #18984Mateo Martinez Morcillo1426.6

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.