Prepare against Marek Karas
FM · Slovakia · World #7,381 classical · FIDE ID 14928558
When preparing against Marek Karas, expect 1.d4 in 70% of White games. Against 1.e4 the reply is 1...e6 (60% of games); against 1.d4, 1...Nf6 (70%). Lowest win rate among frequent openings: French Defense as Black, 24.1% over 58 games.
Our database contains 2,744 games by Marek Karas, covering Sep 2010 to Sep 2026. Below you'll find Marek Karas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marek Karas 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 | 2,218 | 2,308 | Jan 2022 |
| Rapid | 2,247 | 2,296 | Jun 2022 |
| Blitz | 2,248 | 2,374 | Apr 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 2,744 | 1,044 | 574 | 1,126 | 38.0% |
| As White | 1,365 | 562 | 286 | 517 | 41.2% |
| As Black | 1,379 | 482 | 288 | 609 | 35.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marek Karas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marek Karas's side.
First moves as White (1,365 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 952 | 69.7% | 48.5% |
| Nf3 | 142 | 10.4% | 61.3% |
| e4 | 126 | 9.2% | 61.5% |
| c4 | 42 | 3.1% | 67.9% |
| h4 | 29 | 2.1% | 48.3% |
| b3 | 18 | 1.3% | 44.4% |
Main lines as White
- 1.d4 — 70% of White games, 48.5% score
- …Nf6 (58% of these games) — Karas usually continues Nf3 (43.2% score)
- …d5 (24% of these games) — Karas usually continues Nf3 (44.8% score)
- …g6 (4% of these games) — Karas usually continues e4 (37.5% score)
- 1.Nf3 — 10% of White games, 61.3% score
- …Nf6 (42% of these games) — Karas usually continues c4 (62.5% score)
- …d5 (35% of these games) — Karas usually continues g3 (62.5% score)
- …c5 (12% of these games) — Karas usually continues g3 (58.3% score)
As Black against 1.e4 (612 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 368 | 60.1% | 39.5% |
| c5 | 130 | 21.2% | 61.9% |
| g6 | 31 | 5.1% | 53.2% |
| c6 | 22 | 3.6% | 56.8% |
| e5 | 19 | 3.1% | 50.0% |
| a6 | 19 | 3.1% | 34.2% |
As Black against 1.d4 (469 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 328 | 69.9% | 43.8% |
| d5 | 82 | 17.5% | 46.3% |
| a6 | 20 | 4.3% | 37.5% |
| e6 | 17 | 3.6% | 29.4% |
| e5 | 10 | 2.1% | 45.0% |
| g6 | 6 | 1.3% | 58.3% |
Marek Karas's chess games
All 2,744 games by Marek Karas in the Chess.ceo database (Sep 2010 - 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: 1,044 wins, 574 draws, 1,126 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense | 217 | 89/40/88 | 41.0% |
| D02 | London System | 123 | 45/22/56 | 36.6% |
| D12 | Slav Defense | 72 | 29/19/24 | 40.3% |
| D02 | Queen's Pawn Game | 65 | 25/11/29 | 38.5% |
| B06 | Modern Defense | 54 | 22/9/23 | 40.7% |
| A45 | Trompowsky Attack | 51 | 30/7/14 | 58.8% |
| A07 | Réti Opening | 45 | 21/13/11 | 46.7% |
| E92 | King's Indian Defense: Orthodox Variation | 42 | 18/10/14 | 42.9% |
| A43 | Benoni Defense | 42 | 15/9/18 | 35.7% |
| E12 | Queen's Indian Defense | 41 | 14/9/18 | 34.1% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C11 | French: Classical Variation | 124 | 44/18/62 | 35.5% |
| C07 | French: Tarrasch Variation | 97 | 25/27/45 | 25.8% |
| D41 | Indian Defense | 78 | 20/20/38 | 25.6% |
| A07 | Réti Opening | 63 | 21/11/31 | 33.3% |
| C00 | French Defense | 58 | 14/13/31 | 24.1% |
| D02 | Queen's Pawn Game | 51 | 16/13/22 | 31.4% |
| A20 | English Opening: Reverse Sicilian | 50 | 21/5/24 | 42.0% |
| E05 | Catalan | 47 | 13/14/20 | 27.7% |
| B28 | Sicilian | 43 | 25/3/15 | 58.1% |
| A57 | Benoni Defense | 42 | 19/7/16 | 45.2% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2025 | Chithambaram VR. Aravindh | 2,749 | Titled Tue Late | A07 |
| Apr 2023 | Vincent Keymer | 2,700 | Titled Tue Early | D35 |
| Dec 2021 | Jeffery Xiong | 2,686 | Titled Tue | A45 |
| Mar 2022 | Aryan Tari | 2,653 | Titled Tue Early | A06 |
| Apr 2017 | Boris Savchenko | 2,636 | Titled Tue | D02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 1,852 | 849 | 2,278 |
| 2nd 3-0 Thursday | 2026 | 52 | 25 | 2,270 |
| ch-SVK Open | 2019 | 27 | 16.5 | 2,151 |
| Liptovsky Mikulas CupT U20 | 2014 | 25 | 9.5 | 1,816 |
| Bratislava Slovan Open | 2016 | 22 | 14.5 | 2,180 |
| ch-SVK U16 | 2015 | 18 | 12 | 2,080 |
| ch-EU Blitz | 2022 | 18 | 9 | 2,222 |
| ch-SVK U18/20 | 2017 | 18 | 13 | 2,306 |
Frequent opponents
Head-to-head records: Martin Jablonicky (13 games) · Dmitry Goltsev (12 games)
Interactive opening tree from all 2,744 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marek Karas's chess games?
2,744 games by Marek Karas, from Sep 2010 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 Karas has played.
What does Marek Karas play on the first move as White?
Across 1,365 games with White in our database, Marek Karas opens with 1.d4 (70% of games), 1.Nf3 (10% of games), 1.e4 (9% of games). Against 1.e4 as Black, Marek Karas answers 1...e6 (60% of games), 1...c5 (21% of games), 1...g6 (5% of games). Against 1.d4: 1...Nf6 (70% of games), 1...d5 (17% of games), 1...a6 (4% of games).
What openings does Marek Karas play as White?
As White, Marek Karas's most-played openings in our database are: Indian Defense (217 games, 41.0% win rate); London System (123 games, 36.6% win rate); Slav Defense (72 games, 40.3% win rate). The full breakdown of 1,365 games with White is in the table above.
What openings does Marek Karas play as Black?
As Black, Marek Karas most often plays: French: Classical Variation (124 games, 35.5% win rate); French: Tarrasch Variation (97 games, 25.8% win rate); Indian Defense (78 games, 25.6% win rate). See the table above for the top ten Black openings across 1,379 games.
What is Marek Karas's FIDE rating?
Marek Karas is currently rated 2,218 in classical chess, 2,247 in rapid and 2,248 in blitz. Peak classical rating: 2,308 (Jan 2022).
How many games has Marek Karas played?
Our database contains 2,744 games by Marek Karas, covering Sep 2010 to Sep 2026. Overall record: 1,044 wins, 574 draws, 1,126 losses (38.0% win rate).
How do I prepare against Marek Karas?
2,744 games by Marek Karas 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.