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Jan Zaczek

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POL · 17 yrs · Peak 1422 (Feb 2026)

Best performance: 1252 at 8. Open Bohumin 2025 B - Challenger(Best of 2025)

NOV26 Rating

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Live Rating

Unrated

Change

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Games Played

0

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Mar 20261420-2
Feb 20261422+1
Jan 202614210
Dec 20251421+1
Nov 202514200
Oct 202514200
Sep 20251420-1

No standard rating: this player isn’t on the NOV26 standard list

Event timeline · Classical

2 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.

Live ratings projected from the NOV26 published list · Not affiliated with FIDE