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Leon Jaillet

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SUI · 15 yrs · K=40 · Peak 1835 (Sep 2026)

Best performance: 1845 at Biel Chess Festival 2026 - Amateur open tournament (ATO)(Best of 2026)

World #=67254 live, down 1022#66,232 publishedSwitzerland #=1210Europe #=48791among active players

Classical rating

1835

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

On FIDE’s list since Aug 2026

How live ratings are calculated

Rating History · Classical

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Classical rating 1827 to 1835 since August 2026; peak 1835 in September 2026.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261835, 0, 0 games1637, 0, 0 games1840, 0, 0 games
Oct 20261835, 0, 0 games1637, 0, 0 games1840, 0, 0 games
Sep 20261835, +8, 1 game1637, 0, 0 games1840, 0, 0 games
Aug 20261827, 11 games1637, 9 games1840, 13 games

Form · Classical

oldest → latest

Unbeaten in the last 2 games (1 win, 1 draw), since Jul 24. Longest unbeaten run in 2026: 4 games, Jul 15 – Jul 18.

From 16 classical games on record, the latest on Aug 17.

Classical games since the November list

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

Last playedScore
SMM 2. Liga 2026 (group 408)Mar 9 – Sep 7½/2

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

Best wins · Classical

From 15 rated classical games against rated opponents, 2026

#OpponentRating
1, Timothee Gilliand, Jul 2026 · 59th Biel International Chess Festival 2026 | Biel Hospital Center(TRI)|Standard, 1925
2, Frank Obertin, Jul 2026 · Biel Chess Festival 2026 - Amateur open tournament (ATO), 1907
3, Reinhard Wegelin, Jul 2026 · Biel Chess Festival 2026 - Amateur open tournament (ATO), 1820

Openings · Classical

From the moves of 11 of 16 classical games on record.

As WhiteOpens 1.e4 in 5 of 5 games.

As BlackMeets 1.e4 with 1...e6.

All openings (1 as Black)

Against 1.e4: 1...e6 in 3.

Openings in Black gamesGamesScore
French Defense350%

3 more games in openings played fewer than 3 times.

Event timeline · Classical

5 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
2026157½17981798

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

Rated near Leon Jaillet · Classical

World

  1. #=67254Giorgi Chaladze1835.0
  2. #=67254Stefan Stauber1835.0
  3. #=67254Leon Jaillet1835.0
  4. #=67254Egon Frandsen1835.0
  5. #=67254Kim Kristensen1835.0

Switzerland

  1. #=1210Dario Wachholz1835.0
  2. #=1210Stefan Stauber1835.0
  3. #=1210Leon Jaillet1835.0
  4. #1215Roland Bulliard1834.4
  5. #=1216Jacob Hoehne1834.0

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