Prepare against Marek Kosek

Czechia · World #14,598 classical · FIDE ID 337099

Our database contains 125 games by Marek Kosek, covering Oct 2008 to Jul 2026. Below you'll find Marek Kosek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marek Kosek 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

Performance record

Move-by-move preparation stats

Straight from the preparation tree built over all of Marek Kosek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marek Kosek's side.

First moves as White (56 games)

Main lines as White

• 1.e4 — 45% of White games, 50.0% score
  • …c5 (40% of these games) — Kosek usually continues Nf3 (55.0% score)
  • …e5 (28% of these games) — Kosek usually continues Nf3 (64.3% score)
  • …d5 (16% of these games) — Kosek usually continues exd5 (37.5% score)
• 1.d4 — 38% of White games, 57.1% score
  • …Nf6 (62% of these games) — Kosek usually continues Nf3 (63.6% score)
  • …d5 (29% of these games) — Kosek usually continues Nf3 (66.7% score)
  • …c5 (10% of these games) — Kosek usually continues e3 (0.0% score)

As Black against 1.e4 (36 games)

As Black against 1.d4 (19 games)

Marek Kosek's chess games

All 125 games by Marek Kosek in the Chess.ceo database (Oct 2008 - Jul 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: 39 wins, 43 draws, 43 losses.

Openings as White

Openings as Black

Notable wins

Top events

Frequently asked questions

Where can I find Marek Kosek's chess games?

125 games by Marek Kosek, from Oct 2008 to Jul 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 Kosek has played.

What does Marek Kosek play on the first move as White?

Across 56 games with White in our database, Marek Kosek opens with 1.e4 (45% of games), 1.d4 (38% of games), 1.c4 (18% of games). Against 1.e4 as Black, Marek Kosek answers 1...c5 (61% of games), 1...e5 (28% of games), 1...d5 (6% of games). Against 1.d4: 1...d5 (68% of games), 1...Nf6 (26% of games), 1...c5 (5% of games).

What openings does Marek Kosek play as White?

As White, Marek Kosek's most-played openings in our database are: Queen's Pawn Game (6 games, 50.0% win rate); Sicilian (5 games, 60.0% win rate); English Opening: Reverse Sicilian (4 games, 75.0% win rate). The full breakdown of 56 games with White is in the table above.

What openings does Marek Kosek play as Black?

As Black, Marek Kosek most often plays: Sicilian: Najdorf (8 games, 25.0% win rate); Slav Defense (6 games, 16.7% win rate); Ruy Lopez: Closed (5 games, 20.0% win rate). See the table above for the top ten Black openings across 69 games.

What is Marek Kosek's FIDE rating?

Marek Kosek is currently rated 2,109 in classical chess, 2,031 in rapid. Peak classical rating: 2,173 (Jul 2021).

How many games has Marek Kosek played?

Our database contains 125 games by Marek Kosek, covering Oct 2008 to Jul 2026. Overall record: 39 wins, 43 draws, 43 losses (31.2% win rate).

How do I prepare against Marek Kosek?

125 games by Marek Kosek 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.

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