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Player profile

Jaillet, Leon

Standard: 1835 Rapid: 1637 Blitz: 1840 (last updated 2026-10-02)
FIDE ID: 1382977 (view FIDE profile)
Federation: SUI
Federation: SUI Sex: M Birth Year: 2011 Age: 15
Title: — Women's title: — Other title: — FOA title: —
Games: 27 Wins: 13 (48%) Draws: 5 (19%) Losses: 9 (33%)
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Dossier

27 of 27 games analyzed.

Accuracy: 81.7%
Opened e4: 14/14
Castled kingside: 18Same-side castling: 15Did not castle: 6Opposite-side castling: 5Castled queenside: 3
Played in the center: 10Played on the kingside: 6Fianchettoed kingside: 5Played on the queenside: 3Fianchettoed queenside: 3
Active pieces: 21Space advantage: 18Sacrificed material: 17Kept the bishop pair: 14Initiated exchanges: 14Backward pawn: 14Missed tactics: 12Isolated pawn: 10Avoided exchanges: 7Played gambits: 6
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 14 games 9W 2D 3L
Italian Game 5 games 5W 0D 0L
Giuoco Piano 2 games 2W 0D 0L
Greco's Attack 2 games 2W 0D 0L
Two Knights Defense 2 games 2W 0D 0L
Ponziani-Steinitz Gambit 1 game 1W 0D 0L
Ulvestad Variation 1 game 1W 0D 0L
Rousseau Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 3 games 2W 1D 0L
Löwenthal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Open 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Kan Variation 1 game 0W 1D 0L
Knight Variation 1 game 0W 1D 0L
Modern Defense 2 games 2W 0D 0L
Standard Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Pirc Defense 1 game 0W 0D 1L
Austrian Attack 1 game 0W 0D 1L
Unzicker Attack 1 game 0W 0D 1L
Alekhine Defense 1 game 0W 0D 1L
Four Pawns Attack 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Four Knights Game 1 game 0W 1D 0L
Gunsberg Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 13 games 4W 3D 6L
French Defense 7 games 2W 2D 3L
Advance Variation 3 games 1W 0D 2L
Lputian Variation 1 game 0W 0D 1L
Paulsen Attack 1 game 1W 0D 0L
Milner-Barry Gambit 1 game 0W 0D 1L
Steinitz Variation 2 games 1W 1D 0L
Boleslavsky Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Torre Attack 1 game 1W 0D 0L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 0W 0D 1L
Old Benoni 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Duchamp Variation 1 game 0W 0D 1L
Blunders Top 4 of 155

This player's costliest moves in analyzed games. Can you find the winning move?

2026.07.19 · 28. Bxg8 (−86.5% win chance) 0-1
Leuthold, Cyrill
Jaillet, Leon
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2026.07.19 · 26. Qc7 (−63% win chance) 0-1
Leuthold, Cyrill
Jaillet, Leon
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2026.07.21 · 31... Qxb7 (−51.9% win chance) 1-0
Jaillet, Leon
Tamguem, Tristan
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2026.07.21 · 24. Nc3 (−48.1% win chance) 0-1
Hofmann, Hans
Jaillet, Leon
View game
View blunders & mistakes
Games Showing all 27 games
Date Event Round Color Opponent Result Accuracy % First moves