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Jan Kostecki

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POL · 16 yrs · K=40 · Peak 1594 (Apr 2026)

Best performance: 1532 at III Noworoczny Turniej Szachowy z Szach-Mat Brzesko Grupa B(Best of 2026)

World #=114193 live1136#113,057 publishedPoland #=4541

OCT26 Rating

1594

Live Rating

1594.0

Change

0.0

Games Played

0

Rating History · Rapid

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Rapid games since the October list

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

Last playedScore
III Noworoczny Turniej Szachowy z Szach-Mat Brzesko Grupa BJan 10TPR 15325½/9

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

Event timeline · Rapid

1 event · 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.

Rated near Jan Kostecki · Rapid

World

  1. #=114193Tonino Gallaccio1594.0
  2. #=114193Patryk Popielarz1594.0
  3. #=114193Jan Kostecki1594.0
  4. #=114193Lena Klekociuk1594.0
  5. #=114193Daniel Boguszewski1594.0

Poland

  1. #=4541Aleksandra Wawrzyniak1594.0
  2. #=4541Patryk Popielarz1594.0
  3. #=4541Jan Kostecki1594.0
  4. #=4541Lena Klekociuk1594.0
  5. #=4541Daniel Boguszewski1594.0

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