Prepare against Marek Kozdon
Czechia · World #49,619 classical · FIDE ID 23737913
When preparing against Marek Kozdon, expect 1.d4 in 89% of White games. Against 1.e4 the reply is 1...c5 (100% of games); against 1.d4, 1...Nf6 (86%).
Our database contains 55 games by Marek Kozdon, covering Apr 2020 to Sep 2026. Below you'll find Marek Kozdon's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marek Kozdon before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,895 | 1,930 | Dec 2025 |
| Rapid | 1,909 | 1,928 | Dec 2025 |
| Blitz | 1,771 | 1,771 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 55 | 20 | 11 | 24 | 36.4% |
| As White | 28 | 8 | 7 | 13 | 28.6% |
| As Black | 27 | 12 | 4 | 11 | 44.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marek Kozdon's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marek Kozdon's side.
First moves as White (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 25 | 89.3% | 42.0% |
| e4 | 3 | 10.7% | 33.3% |
Main lines as White
- 1.d4 — 89% of White games, 42.0% score
- …Nf6 (44% of these games) — Kozdon usually continues c4 (42.9% score)
- …d5 (44% of these games) — Kozdon usually continues Nf3 (50.0% score)
- …e6 (8% of these games) — Kozdon usually continues c4 (50.0% score)
- 1.e4 — 11% of White games, 33.3% score
- …e5 (100% of these games) — Kozdon usually continues Nf3 (33.3% score)
As Black against 1.e4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 19 | 100.0% | 44.7% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 85.7% | 66.7% |
| d5 | 1 | 14.3% | 50.0% |
Marek Kozdon's chess games
All 55 games by Marek Kozdon in the Chess.ceo database (Apr 2020 - Sep 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 20 wins, 11 draws, 24 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 3 | 0/1/2 | 0.0% |
| D96 | Grünfeld Defense | 3 | 1/0/2 | 33.3% |
| D10 | Slav Defense | 3 | 1/1/1 | 33.3% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 2 | 1/0/1 | 50.0% |
| C54 | Italian Game: Classical Variation | 2 | 1/0/1 | 50.0% |
| A84 | Queen's Pawn Game | 2 | 1/1/0 | 50.0% |
| E11 | Bogo-Indian Defense | 2 | 0/1/1 | 0.0% |
| D43 | Semi-Slav Defense | 2 | 0/0/2 | 0.0% |
| E94 | King's Indian Defense: Petrosian Variation | 1 | 0/1/0 | 0.0% |
| E61 | Modern Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 14 | 5/2/7 | 35.7% |
| D02 | London System | 2 | 1/0/1 | 50.0% |
| E12 | Queen's Indian Defense | 2 | 2/0/0 | 100.0% |
| A46 | Indian Defense | 2 | 2/0/0 | 100.0% |
| B22 | Sicilian: Alapin | 2 | 1/1/0 | 50.0% |
| D14 | Slav Defense | 1 | 0/1/0 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B20 | Sicilian: Snyder Variation | 1 | 1/0/0 | 100.0% |
| B20 | Sicilian: Wing Gambit | 1 | 0/0/1 | 0.0% |
| E44 | Nimzo-Indian: Rubinstein System | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2024 | Kazimierz Drabiniok | 1,867 | 7th Bohumin Open B | B20 |
| Jun 2026 | Jan Hrdlicka | 1,800 | Mistrovství České republiky školních týmů v šachu 2026, střední školy | E91 |
| Jun 2022 | Tereza Horkova | 1,732 | chT-CZE U12 | B22 |
| Aug 2026 | Filip Hruby | 1,693 | Kvarteto Cup 2026 (max. rtg. 1999) - | B43 |
| Jun 2026 | Josefina Dudkova | 1,691 | Mistrovství České republiky školních týmů v šachu 2026, střední školy | A46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-EU Union U12 | 2023 | 18 | 7.5 | 1,358 |
| ch-CZE U12 | 2022 | 9 | 4 | 1,319 |
| ch-EU Union U10 | 2021 | 9 | 3.5 | 1,209 |
| 7th Bohumin Open B | 2024 | 8 | 4.5 | 1,806 |
| chT-CZE U12 | 2022 | 6 | 3 | 1,391 |
| Mistrovství České republiky školních týmů v šachu 2026, střední školy | 2026 | 3 | 2 | 1,935 |
| Czech Rapid Youth Championship 2026 | U20 | 2026 | 1 | 0 | 1,674 |
| Kvarteto Cup 2026 (max. rtg. 1999) - | 2026 | 1 | 1 | 2,093 |
Interactive opening tree from all 55 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marek Kozdon's chess games?
55 games by Marek Kozdon, from Apr 2020 to Sep 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Marek Kozdon has played.
What does Marek Kozdon play on the first move as White?
Across 28 games with White in our database, Marek Kozdon opens with 1.d4 (89% of games), 1.e4 (11% of games). Against 1.e4 as Black, Marek Kozdon answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (86% of games), 1...d5 (14% of games).
What openings does Marek Kozdon play as White?
As White, Marek Kozdon's most-played openings in our database are: Benoni Defense (3 games, 0.0% win rate); Grünfeld Defense (3 games, 33.3% win rate); Slav Defense (3 games, 33.3% win rate). The full breakdown of 28 games with White is in the table above.
What openings does Marek Kozdon play as Black?
As Black, Marek Kozdon most often plays: Sicilian (14 games, 35.7% win rate); London System (2 games, 50.0% win rate); Queen's Indian Defense (2 games, 100.0% win rate). See the table above for the top ten Black openings across 27 games.
What is Marek Kozdon's FIDE rating?
Marek Kozdon is currently rated 1,895 in classical chess, 1,909 in rapid and 1,771 in blitz. Peak classical rating: 1,930 (Dec 2025).
How many games has Marek Kozdon played?
Our database contains 55 games by Marek Kozdon, covering Apr 2020 to Sep 2026. Overall record: 20 wins, 11 draws, 24 losses (36.4% win rate).
How do I prepare against Marek Kozdon?
55 games by Marek Kozdon reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.