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Player profile

Koch, Maciej

Standard: 1908 Rapid: 1840 Blitz: 1844 (last updated 2026-11-02)
FIDE ID: 41873777 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2013 Age: 13
Title: — Women's title: — Other title: — FOA title: —
Games: 55 Wins: 16 (29%) Draws: 8 (15%) Losses: 31 (56%)
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Dossier

52 of 55 games analyzed.

Accuracy: 88.3%
Opened e4: 18/18
Castled kingside: 26Same-side castling: 23Castled queenside: 5Opposite-side castling: 4Did not castle: 2
Played on the kingside: 10Played on the queenside: 10Fianchettoed kingside: 7Played in the center: 7Fianchettoed queenside: 4
Active pieces: 22Initiated exchanges: 21Backward pawn: 19Sacrificed material: 18Kept the bishop pair: 15Space advantage: 14Missed tactics: 14Isolated pawn: 10Avoided exchanges: 6Played gambits: 3
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Openings

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As White 19 games 7W 4D 8L
Sicilian Defense 8 games 3W 1D 4L
Taimanov Variation 2 games 1W 0D 1L
Bastrikov Variation 2 games 1W 0D 1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Richter-Rauzer Variation 1 game 0W 0D 1L
Neo-Modern Variation 1 game 0W 0D 1L
Najdorf Variation 1 game 0W 0D 1L
English Attack 1 game 0W 0D 1L
Kan Variation 1 game 1W 0D 0L
Swiss Cheese Variation 1 game 1W 0D 0L
Four Knights Variation 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Hyperaccelerated Dragon 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Ruy Lopez 4 games 2W 0D 2L
Morphy Defense 1 game 0W 0D 1L
Cozio Defense 1 game 0W 0D 1L
Berlin Defense 1 game 1W 0D 0L
Improved Steinitz Defense 1 game 1W 0D 0L
Open 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Schliemann Defense 1 game 0W 0D 1L
Tartakower Variation 1 game 0W 0D 1L
French Defense 3 games 0W 2D 1L
Steinitz Variation 3 games 0W 2D 1L
Boleslavsky Variation 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 2 games 1W 1D 0L
Stafford Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Classical Attack 1 game 0W 1D 0L
Mason Variation 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Seirawan Variation 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
As Black 17 games 2W 2D 13L
Sicilian Defense 5 games 0W 0D 5L
Lasker-Pelikan Variation 3 games 0W 0D 3L
Sveshnikov Variation, Chelyabinsk Variation 2 games 0W 0D 2L
Sveshnikov Variation, Novosibirsk Variation 1 game 0W 0D 1L
Alapin Variation 1 game 0W 0D 1L
Stoltz Attack 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
Traditional 1 game 0W 0D 1L
King's Indian Defense 4 games 1W 1D 2L
Normal Variation 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
King's Knight Variation 1 game 0W 1D 0L
Orthodox Variation 1 game 0W 0D 1L
Aronin-Taimanov Defense 1 game 0W 0D 1L
Four Pawns Attack 1 game 0W 0D 1L
Dynamic Attack 1 game 0W 0D 1L
English Opening 2 games 0W 0D 2L
Symmetrical Variation 2 games 0W 0D 2L
Botvinnik System Reversed, with Nf3 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
Botvinnik System 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Polish Opening 1 game 0W 0D 1L
Baltic Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bird Opening 1 game 1W 0D 0L
Lasker Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 0W 0D 1L
Retreat Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 294

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

? · 31... Qxb6 (−51.3% win chance) 1-0
Koch, Maciej
Czech, Franciszek
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2026.05.23 · 26. Nxc4 (−45.8% win chance) 0-1
Korszanski, Stanislaw
Koch, Maciej
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? · 75. Rd5 (−41.2% win chance) 1/2-1/2
Ejsymont, Eryk
Koch, Maciej
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? · 26. Qf5 (−40.7% win chance) 0-1
Komendecki, Grzegorz
Koch, Maciej
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Games Showing all 55 games
Date Event Round Color Opponent Result Accuracy % First moves