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Koba, Aleksander

Standard: 1648 Rapid: 1750 Blitz: 1652 (last updated 2026-11-02)
FIDE ID: 91182255 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2017 Age: 9
Title: — Women's title: — Other title: — FOA title: —
Games: 17 Wins: 4 (24%) Draws: 3 (18%) Losses: 10 (59%)
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Dossier

16 of 17 games analyzed.

Accuracy: 81.6%
Opened e4: 1/1
Castled kingside: 3Same-side castling: 3Did not castle: 2
Fianchettoed kingside: 1Played on the kingside: 1Played on the queenside: 1Played in the center: 1
Space advantage: 4Kept the bishop pair: 3Initiated exchanges: 3Isolated pawn: 3Backward pawn: 2Active pieces: 2Missed tactics: 2Avoided exchanges: 1Sacrificed material: 1
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Openings

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

As White 1 game 0W 0D 1L
Sicilian Defense 1 game 0W 0D 1L
Delayed Alapin Variation 1 game 0W 0D 1L
with d6 1 game 0W 0D 1L
As Black 4 games 1W 0D 3L
Sicilian Defense 3 games 0W 0D 3L
Lasker-Pelikan Variation 1 game 0W 0D 1L
Sveshnikov Variation, Chelyabinsk Variation 1 game 0W 0D 1L
Löwenthal Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 98

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

? · 24... Rad8 (−55.4% win chance) 1-0
Koba, Aleksander
Bylak, Robert
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? · 30. Nc3 (−43.3% win chance) 1/2-1/2
Cyboran, Antoni
Koba, Aleksander
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2026.07.11 · 30... Qe4 (−42.1% win chance) 1-0
Koba, Aleksander
Wasilewicz, Wawrzyniec
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? · 45... Kf7 (−40% win chance) 1/2-1/2
Koba, Aleksander
Gawronski, Cezary
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View blunders & mistakes
Games Showing all 17 games
Date Event Round Color Opponent Result Accuracy % First moves