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Player profile

Kopacki, Aleksander

Standard: 2026 Rapid: 2026 Blitz: 2025 (last updated 2026-11-02)
FIDE ID: 21044481 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2013 Age: 13
Title: — Women's title: — Other title: — FOA title: —
Games: 149 Wins: 62 (42%) Draws: 39 (26%) Losses: 48 (32%)
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Dossier

138 of 149 games analyzed.

Accuracy: 89.7%
Opened e4: 47/52Opened d4: 3/52Opened c4: 2/52
Castled kingside: 74Same-side castling: 64Castled queenside: 20Opposite-side castling: 15Did not castle: 13
Played in the center: 42Played on the queenside: 30Played on the kingside: 19Fianchettoed kingside: 15Fianchettoed queenside: 13
Active pieces: 68Initiated exchanges: 63Sacrificed material: 60Kept the bishop pair: 51Space advantage: 49Backward pawn: 42Isolated pawn: 40Missed tactics: 32Played gambits: 25Avoided exchanges: 13
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Openings

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As White 57 games 28W 16D 13L
Sicilian Defense 28 games 16W 7D 5L
Taimanov Variation 6 games 3W 3D 0L
Bastrikov Variation 4 games 1W 3D 0L
(unspecified) 2 games 2W 0D 0L
Accelerated Dragon 4 games 1W 1D 2L
Maróczy Bind, Gurgenidze Variation 3 games 0W 1D 2L
Maróczy Bind 1 game 1W 0D 0L
Modern Variations 4 games 3W 0D 1L
(unspecified) 4 games 3W 0D 1L
Lasker-Pelikan Variation 3 games 2W 1D 0L
Sveshnikov Variation, Chelyabinsk Variation 2 games 1W 1D 0L
Bird Variation 1 game 1W 0D 0L
Kalashnikov Variation 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Chekhover Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Kan Variation 1 game 1W 0D 0L
Wing Attack 1 game 1W 0D 0L
Dragon Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Richter-Rauzer Variation 1 game 1W 0D 0L
Neo-Modern Variation 1 game 1W 0D 0L
Najdorf Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Prins Variation 1 game 1W 0D 0L
Venice Attack 1 game 1W 0D 0L
O'Kelly Variation 1 game 1W 0D 0L
Venice System 1 game 1W 0D 0L
Caro-Kann Defense 7 games 3W 3D 1L
Exchange Variation 3 games 0W 3D 0L
(unspecified) 2 games 0W 2D 0L
Rubinstein Variation 1 game 0W 1D 0L
Two Knights Attack 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 6 games 2W 2D 2L
Two Knights Variation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Tarrasch Variation 2 games 1W 1D 0L
Guimard Defense, Main Line 1 game 1W 0D 0L
Morozevich Variation 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 0D 1L
Fort Knox Variation 1 game 0W 0D 1L
Four Knights Game 4 games 1W 1D 2L
Spanish Variation 3 games 0W 1D 2L
(unspecified) 2 games 0W 1D 1L
Symmetrical Variation 1 game 0W 0D 1L
Gunsberg Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 2 games 1W 0D 1L
King's English Variation 2 games 1W 0D 1L
Two Knights Variation, Keres Variation 1 game 1W 0D 0L
Two Knights Variation 1 game 0W 0D 1L
Italian Game 2 games 1W 0D 1L
Classical Variation 1 game 0W 0D 1L
Greco Gambit, Traditional Line 1 game 0W 0D 1L
Paris Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Center Game 2 games 0W 2D 0L
Berger Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Paulsen Attack Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
Slav Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Semi-Slav Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Defense 1 game 0W 0D 1L
Three Pawns Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Philidor Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 1 game 1W 0D 0L
Austrian Attack 1 game 1W 0D 0L
Dragon Formation 1 game 1W 0D 0L
As Black 61 games 20W 17D 24L
Sicilian Defense 21 games 8W 4D 9L
Richter-Rauzer Variation 7 games 2W 2D 3L
Neo-Modern Variation 2 games 1W 0D 1L
Neo-Modern Variation, Early Deviations 2 games 0W 1D 1L
(unspecified) 2 games 1W 1D 0L
Classical Variation 1 game 0W 0D 1L
Sozin Attack 3 games 2W 0D 1L
Leonhardt Variation 3 games 2W 0D 1L
Moscow Variation 2 games 0W 1D 1L
Main Line 2 games 0W 1D 1L
Delayed Alapin Variation 2 games 2W 0D 0L
with d6 2 games 2W 0D 0L
Nyezhmetdinov-Rossolimo Attack 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Alapin Variation 1 game 0W 1D 0L
Barmen Defense 1 game 0W 1D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Sicilian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Variations 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Caro-Kann Defense 12 games 2W 5D 5L
Classical Variation 5 games 1W 2D 2L
Main Line 3 games 0W 1D 2L
(unspecified) 2 games 1W 1D 0L
Two Knights Attack 3 games 1W 1D 1L
Mindeno Variation, Exchange Line 2 games 1W 0D 1L
Mindeno Variation 1 game 0W 1D 0L
Advance Variation 2 games 0W 0D 2L
Van der Wiel Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Panov Attack 1 game 0W 1D 0L
Modern Defense, Mieses Line 1 game 0W 1D 0L
Accelerated Panov Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
Queen's Pawn Game 8 games 2W 2D 4L
Symmetrical Variation 4 games 0W 1D 3L
Pseudo-Catalan 3 games 0W 1D 2L
(unspecified) 1 game 0W 0D 1L
Colle System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Chigorin Variation 1 game 0W 0D 1L
Irish Gambit 1 game 0W 0D 1L
Accelerated London System 1 game 1W 0D 0L
Steinitz Countergambit 1 game 1W 0D 0L
English Opening 4 games 1W 1D 2L
King's English Variation 3 games 1W 1D 1L
Two Knights Variation 1 game 0W 1D 0L
Four Knights Variation, Fianchetto Line, with Nb6 1 game 0W 0D 1L
Two Knights Variation, Reversed Dragon 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Knight Variation 1 game 0W 0D 1L
Semi-Slav Defense 2 games 2W 0D 0L
Anti-Moscow Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Chigorin Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Bird Opening 2 games 0W 1D 1L
Dutch Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Defense 2 games 0W 2D 0L
Tartakower Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with Bf5 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
Classical Line 1 game 1W 0D 0L
Queen's Indian Defense, with e3 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blackmar-Diemer Gambit 1 game 0W 1D 0L
Reversed Albin Countergambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Janowski Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 658

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

2024.09.05 · 30... Rc2 (−95.1% win chance) 0-1
Kopacki, Aleksander
Olszewski, Marek
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2024.08.20 · 46. bxa5 (−86.2% win chance) 0-1
Velychko, Semen
Kopacki, Aleksander
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? · 32... Qc3 (−83.3% win chance) 0-1
Kopacki, Aleksander
Gorecki, Adam
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? · 64. Qb3+ (−76.9% win chance) 1/2-1/2
Kucewicz, Piotr
Kopacki, Aleksander
View game
View blunders & mistakes
Games Showing all 149 games
Date Event Round Color Opponent Result Accuracy % First moves