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Rostislav Jaroslav Harazin

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CZE · 9 yrs · K=40 · Peak 1620 (By Jan 2026)

Best performance: 1605 at Summer Talent Cup 2026 - B - C(Best of 2026)

World #=194358 live, down 3885#190,473 publishedCzechia #=5637Europe #=121586among active players

NOV26 Rating

1499

Live Rating

1499.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

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Classical rating 1620 to 1499 since January 2026; peak 1620 by January 2026.

Official rating by month

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

ListClassicalRapid
Nov 20261499, 0, 0 games1497, 0, 0 games
Oct 20261499, 0, 0 games1497, 6 games
Sep 20261499, 0, 0 gamesunrated
Aug 20261499, +41, 5 gamesunrated
Jul 20261458, 0, 0 gamesunrated
Jun 20261458, 0, 0 gamesunrated
May 20261458, -45, 2 gamesunrated
Apr 20261503, -117, 7 gamesunrated
Jan 20261620, 5 gamesunrated

Form · Classical

oldest → latest

Longest unbeaten run in 2026: 4 games, Jul 17.

From 94 classical games on record, the latest on Oct 30.

Classical games since the November list

Show gamesTournamentScoreChange
Mistrovství Moravy a Slezska 2026 U10Oct 24 – Oct 305½/9—

Best wins · Classical

From 37 rated classical games against rated opponents, 2024–2026

#OpponentRating
1, Gabriel Mallein, Mar 2026 · Mistrovstvi CR mladeze 2026 - H10, 1601
2, Emma Bartosova, Jul 2025 · Summer Talent Cup 2025 - C, 1533
3, Lukas Glod, Dec 2025 · Talent Cup 2025 - turnaj C, 1508

Openings · Classical

From the moves of 26 of 94 classical games on record.

As WhiteOpens 1.e4 in 10 of 13 games, 1.d4 in 3.

As BlackMeets 1.e4 with 1...e5, and 1.d4 with 1...d5.

All openings (1 as White, 1 as Black)
Openings in White gamesGamesScore
Sicilian Defense30%

10 more games in openings played fewer than 3 times.

Event timeline · Classical

11 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
2026144½15301397
2025203½15491287
20243114641339

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

Recent opponents · Classical

David JezTenuun EnkhbatMariana FlidrovaFrantisek SopikJan AdamJan KratochvilSainbayar DelgerdalaiTomas MartikanRichard Pesa

Rated near Rostislav Jaroslav Harazin · Classical

World

  1. #=194358Jan Krivsky1499.0
  2. #=194358Libuse Kopecka1499.0
  3. #=194358Rostislav Jaroslav Harazin1499.0
  4. #=194358Stepan Laska1499.0
  5. #=194358Mikulas Novak1499.0

Czechia

  1. #=5637Jan Krivsky1499.0
  2. #=5637Libuse Kopecka1499.0
  3. #=5637Rostislav Jaroslav Harazin1499.0
  4. #=5637Stepan Laska1499.0
  5. #=5637Mikulas Novak1499.0

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