Prepare against Ondrej Mraz

Slovakia · World #10,186 classical · FIDE ID 14900335

Our database contains 372 games by Ondrej Mraz, covering Jan 2008 to Jul 2026. Below you'll find Ondrej Mraz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Mraz 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 Ondrej Mraz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Mraz's side.

First moves as White (189 games)

Main lines as White

• 1.e4 — 99% of White games, 56.4% score
  • …c5 (39% of these games) — Mraz usually continues Nf3 (45.8% score)
  • …e5 (28% of these games) — Mraz usually continues Nf3 (65.9% score)
  • …e6 (16% of these games) — Mraz usually continues d4 (55.8% score)
• 1.d4 — 1% of White games, 100.0% score
  • …d5 (50% of these games) — Mraz usually continues c4 (100.0% score)
  • …d6 (50% of these games) — Mraz usually continues Nf3 (100.0% score)

As Black against 1.e4 (118 games)

As Black against 1.d4 (39 games)

Ondrej Mraz's chess games

All 372 games by Ondrej Mraz in the Chess.ceo database (Jan 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: 176 wins, 69 draws, 127 losses.

Openings as White

Openings as Black

Notable wins

Top events

Frequently asked questions

Where can I find Ondrej Mraz's chess games?

372 games by Ondrej Mraz, from Jan 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 Ondrej Mraz has played.

What does Ondrej Mraz play on the first move as White?

Across 189 games with White in our database, Ondrej Mraz opens with 1.e4 (99% of games), 1.d4 (1% of games). Against 1.e4 as Black, Ondrej Mraz answers 1...e5 (100% of games). Against 1.d4: 1...d5 (82% of games), 1...Nf6 (18% of games).

What openings does Ondrej Mraz play as White?

As White, Ondrej Mraz's most-played openings in our database are: Sicilian (29 games, 31.0% win rate); French: Tarrasch Variation (25 games, 44.0% win rate); Sicilian: Najdorf (17 games, 41.2% win rate). The full breakdown of 189 games with White is in the table above.

What openings does Ondrej Mraz play as Black?

As Black, Ondrej Mraz most often plays: Italian Game (24 games, 45.8% win rate); Slav Defense (21 games, 38.1% win rate); Scotch Game (19 games, 52.6% win rate). See the table above for the top ten Black openings across 183 games.

What is Ondrej Mraz's FIDE rating?

Ondrej Mraz is currently rated 2,167 in classical chess, 2,073 in rapid and 2,073 in blitz. Peak classical rating: 2,205 (May 2016).

How many games has Ondrej Mraz played?

Our database contains 372 games by Ondrej Mraz, covering Jan 2008 to Jul 2026. Overall record: 176 wins, 69 draws, 127 losses (47.3% win rate).

How do I prepare against Ondrej Mraz?

372 games by Ondrej Mraz 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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