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Player profile

Korsak, Leszek

Standard: 1437 Rapid: 1478 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 41848942 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1998 Age: 28
Title: — Women's title: — Other title: — FOA title: —
Games: 19 Wins: 6 (32%) Draws: 1 (5%) Losses: 12 (63%)
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Dossier

18 of 19 games analyzed.

Accuracy: 83.9%
Opened c4: 4/4
Castled kingside: 6Same-side castling: 6Did not castle: 2
Played in the center: 5Played on the kingside: 3Played on the queenside: 2Fianchettoed kingside: 1
Active pieces: 6Space advantage: 5Missed tactics: 4Initiated exchanges: 4Sacrificed material: 3Kept the bishop pair: 3Backward pawn: 3Avoided exchanges: 2Played gambits: 2Isolated pawn: 2
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Openings

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

As White 4 games 1W 0D 3L
English Opening 3 games 1W 0D 2L
King's English Variation 2 games 1W 0D 1L
Four Knights Variation, Flexible Line 1 game 1W 0D 0L
Two Knights Variation, Keres Variation 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
King's Indian Defense 1 game 0W 0D 1L
Zinnowitz Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 2W 0D 2L
French Defense 4 games 2W 0D 2L
Advance Variation 1 game 0W 0D 1L
Paulsen Attack 1 game 0W 0D 1L
Steinitz Variation 1 game 1W 0D 0L
Boleslavsky Variation 1 game 1W 0D 0L
Alapin Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 161

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

? · 35... Rxe7 (−42.1% win chance) 1/2-1/2
Korsak, Leszek
Ryba, Jakub
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? · 40. Ke4 (−41.7% win chance) 1-0
Jasniewicz, Rafal
Korsak, Leszek
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? · 37... Ra1 (−39.1% win chance) 1/2-1/2
Korsak, Leszek
Ryba, Jakub
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2026.08.01 · 11... Nxe5 (−38% win chance) 0-1
Korsak, Leszek
Gatner, Hugo
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Games Showing all 19 games
Date Event Round Color Opponent Result Accuracy % First moves