Player profile

Karolczuk, Iwo

Standard: 2389 Rapid: 2383 Blitz: 2436 (last updated 2026-11-02)
FIDE ID: 21816972 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2006 Age: 20
Title: IM Women's title: — Other title: — FOA title: —
Games: 183 Wins: 90 (49%) Draws: 62 (34%) Losses: 31 (17%)
Dossier

166 of 183 games analyzed.

Accuracy: 92.5%
Opened e4: 37/65Opened d4: 24/65Opened Nf3: 4/65
Castled kingside: 119Same-side castling: 98Opposite-side castling: 18Did not castle: 12Castled queenside: 7
Played in the center: 54Played on the queenside: 40Played on the kingside: 36Fianchettoed kingside: 25Fianchettoed queenside: 24
Active pieces: 104Initiated exchanges: 104Kept the bishop pair: 78Sacrificed material: 78Backward pawn: 75Space advantage: 74Isolated pawn: 56Missed tactics: 23Avoided exchanges: 13Played gambits: 10
Openings

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

As White 75 games 39W 24D 12L
Sicilian Defense 19 games 9W 8D 2L
Nyezhmetdinov-Rossolimo Attack 4 games 2W 2D 0L
(unspecified) 2 games 1W 1D 0L
Fianchetto Variation 2 games 1W 1D 0L
Four Knights Variation 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Closed 3 games 2W 1D 0L
Traditional 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Taimanov Variation 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bastrikov Variation 1 game 1W 0D 0L
French Variation 2 games 1W 1D 0L
Normal 2 games 1W 1D 0L
Najdorf Variation 2 games 1W 0D 1L
Lipnitsky Attack 2 games 1W 0D 1L
Modern Variations 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
Chekhover Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sozin Attack 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Queen's Pawn Game 10 games 3W 5D 2L
London System 5 games 1W 3D 1L
(unspecified) 3 games 0W 2D 1L
with e6 2 games 1W 1D 0L
Symmetrical Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Krause Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 6 games 5W 1D 0L
Knights Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Normal Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
London System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Nimzo-Indian Defense 5 games 1W 1D 3L
Normal Variation 3 games 1W 1D 1L
Ragozin Variation 2 games 1W 1D 0L
Schlechter Defense 1 game 0W 0D 1L
Classical Variation 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
Noa Variation 1 game 0W 0D 1L
King's Indian Attack 5 games 3W 1D 1L
Symmetrical Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Sicilian Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 5 games 3W 1D 1L
Morphy Defense 3 games 2W 0D 1L
Anderssen Variation 3 games 2W 0D 1L
Schliemann Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation 1 game 0W 1D 0L
French Defense 5 games 3W 0D 2L
Winawer Variation 3 games 2W 0D 1L
Delayed Exchange Variation 1 game 0W 0D 1L
Alekhine-Maróczy Gambit 1 game 1W 0D 0L
Bogoljubow Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Fort Knox Variation 1 game 1W 0D 0L
Classical Variation 1 game 0W 0D 1L
Shirov-Anand Variation 1 game 0W 0D 1L
Caro-Kann Defense 5 games 2W 3D 0L
Advance Variation 2 games 1W 1D 0L
Short Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense 1 game 1W 0D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Endgame Offer 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bishop's Opening 3 games 2W 1D 0L
Vienna Hybrid 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Alekhine Defense 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 1 game 1W 0D 0L
Reversed Grünfeld 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with Bf5 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Indian Defense 1 game 1W 0D 0L
Euwe Variation 1 game 1W 0D 0L
(unspecified) 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
Vienna Game 1 game 0W 0D 1L
Stanley Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scandinavian Defense 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tarrasch Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Accepted 1 game 0W 1D 0L
Gunsberg Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Retreat Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 80 games 40W 24D 16L
Sicilian Defense 24 games 11W 6D 7L
Najdorf Variation 9 games 5W 0D 4L
Zagreb Variation 3 games 2W 0D 1L
Petronić Attack 2 games 0W 0D 2L
Adams Attack 2 games 1W 0D 1L
Opocensky Variation 1 game 1W 0D 0L
English Attack 1 game 1W 0D 0L
Kan Variation 8 games 1W 5D 2L
Polugaevsky Variation 5 games 1W 2D 2L
Maróczy Bind, Réti Variation 3 games 0W 3D 0L
Delayed Alapin Variation 2 games 1W 0D 1L
with d6 1 game 1W 0D 0L
with e6 1 game 0W 0D 1L
Scheveningen Variation 1 game 1W 0D 0L
English Attack, with f3 1 game 1W 0D 0L
Modern Variations 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Moscow Variation 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Kramnik Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 9 games 4W 5D 0L
Anti-Nimzo-Indian 4 games 1W 3D 0L
(unspecified) 4 games 1W 3D 0L
Accelerated London System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Dzindzi-Indian Defense 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 6 games 2W 2D 2L
Classical Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Rubinstein System 2 games 0W 1D 1L
Rubinstein Variation, Main Line 2 games 0W 1D 1L
Sämisch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 5 games 2W 3D 0L
Grünfeld Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Nimzowitsch Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 5 games 3W 1D 1L
King's English Variation 3 games 2W 0D 1L
(unspecified) 1 game 1W 0D 0L
Four Knights Variation, Fianchetto Line 1 game 1W 0D 0L
Kramnik-Shirov Counterattack 1 game 0W 0D 1L
Agincourt Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Variation 1 game 0W 1D 0L
Four Knights Variation, Keres-Parma System 1 game 0W 1D 0L
King's Indian Attack 4 games 2W 1D 1L
Sicilian Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Spassky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 4 games 2W 2D 0L
Classical Variation 1 game 0W 1D 0L
Burn Variation 1 game 0W 1D 0L
Schlechter Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Advance Variation 1 game 0W 1D 0L
Euwe Variation 1 game 0W 1D 0L
Philidor Defense 3 games 3W 0D 0L
Lion Variation 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
Queen's Gambit Declined 3 games 1W 2D 0L
Ragozin Defense 3 games 1W 2D 0L
Alekhine Variation 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
Lion Defense 2 games 1W 0D 1L
Anti-Philidor 1 game 1W 0D 0L
Lion's Cave 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 2 games 2W 0D 0L
Sicilian Invitation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Pirc Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Nimzo-Larsen Attack 2 games 2W 0D 0L
Classical Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Petrov's Defense 2 games 0W 1D 1L
Millennium Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Attack 1 game 0W 1D 0L
Center Variation 1 game 0W 1D 0L
Ruy Lopez 1 game 1W 0D 0L
Morphy Defense 1 game 1W 0D 0L
Modern Steinitz Defense 1 game 1W 0D 0L
Queen's Indian Defense, with e3 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Horwitz Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benoni Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 522

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

2023.12.29 · 61. Kd2 (−76.3% win chance) 0-1
Balint, Peter
Karolczuk, Iwo
View game
2024.08.20 · 23... f6 (−47.7% win chance) 1-0
Karolczuk, Iwo
Pasti, Aron
View game
2024.08.20 · 57. Kxb5 (−45.5% win chance) 0-1
Pasti, Aron
Karolczuk, Iwo
View game
2024.08.18 · 21. Nf5 (−44.4% win chance) 0-1
Skreko, Igor
Karolczuk, Iwo
View game
Games Showing all 183 games
Date Event Round Color Opponent Result Accuracy % First moves