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Player profile

Siwek, Leon

Standard: 1856 Rapid: 1836 Blitz: 1839 (last updated 2026-11-02)
FIDE ID: 21097917 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2010 Age: 16
Title: — Women's title: — Other title: — FOA title: —
Games: 24 Wins: 8 (33%) Draws: 9 (38%) Losses: 7 (29%)
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Dossier

20 of 24 games analyzed.

Accuracy: 91%
Opened e4: 9/10Opened d4: 1/10
Castled kingside: 14Same-side castling: 12Did not castle: 2Castled queenside: 1Opposite-side castling: 1
Played in the center: 11Played on the queenside: 5Fianchettoed queenside: 3Played on the kingside: 2
Initiated exchanges: 15Active pieces: 14Sacrificed material: 11Backward pawn: 7Space advantage: 6Kept the bishop pair: 5Played gambits: 4Missed tactics: 3Isolated pawn: 2Avoided exchanges: 2
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Openings

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As White 10 games 4W 4D 2L
Caro-Kann Defense 3 games 2W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Maróczy Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 3 games 0W 2D 1L
Closed 1 game 0W 1D 0L
Traditional 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dragon Variation 1 game 0W 0D 1L
Yugoslav Attack, Early Deviations 1 game 0W 0D 1L
Italian Game 2 games 2W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scotch Gambit 1 game 1W 0D 0L
Max Lange Attack 1 game 1W 0D 0L
Pirc Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 0D 1L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 10 games 4W 4D 2L
Queen's Gambit Accepted 3 games 1W 1D 1L
Classical Defense 2 games 1W 1D 0L
Steinitz Variation, Development Variation 1 game 1W 0D 0L
Normal Line 1 game 0W 1D 0L
Old Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 2 games 1W 1D 0L
Budapest Gambit Accepted 2 games 1W 1D 0L
Main Line, Alekhine Variation, Abonyi Variation 1 game 1W 0D 0L
Main Line, Adler Variation 1 game 0W 1D 0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Queen's Gambit Declined 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Two Knights Variation 1 game 0W 1D 0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 93

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

2024.06.03 · 85. Qxh7 (−44.8% win chance) 0-1
Adamski, Ksawery
Siwek, Leon
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? · 46. Kc3 (−41.1% win chance) 0-1
Glatty, Zbigniew
Siwek, Leon
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2026.05.26 · 9. f3 (−37.2% win chance) 1-0
Lisek, Adam
Siwek, Leon
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2024.06.03 · 75. Qc1 (−31.3% win chance) 0-1
Adamski, Ksawery
Siwek, Leon
View game
View blunders & mistakes
Games Showing all 24 games
Date Event Round Color Opponent Result Accuracy % First moves