Prepare against Jan Mraz
Slovakia · World #124,312 classical · FIDE ID 14933837
When preparing against Jan Mraz, expect 1.d4 in 79% of White games. Against 1.e4 the reply is 1...e6 (56% of games); against 1.d4, 1...e6 (40%). Lowest win rate among frequent openings: Queen's Pawn Game as White, 66.7% over 15 games.
Our database contains 96 games by Jan Mraz, covering Nov 2016 to Jul 2026. Below you'll find Jan Mraz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan 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
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,662 | 1,740 | Mar 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 96 | 53 | 17 | 26 | 55.2% |
| As White | 56 | 35 | 10 | 11 | 62.5% |
| As Black | 40 | 18 | 7 | 15 | 45.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Mraz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Mraz's side.
First moves as White (56 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 44 | 78.6% | 73.9% |
| c4 | 9 | 16.1% | 83.3% |
| e4 | 3 | 5.4% | 0.0% |
Main lines as White
- 1.d4 — 79% of White games, 73.9% score
- …d5 (61% of these games) — Mraz usually continues c4 (90.6% score)
- …Nf6 (18% of these games) — Mraz usually continues e3 (60.0% score)
- …e6 (11% of these games) — Mraz usually continues c4 (87.5% score)
- 1.c4 — 16% of White games, 83.3% score
- …e5 (44% of these games) — Mraz usually continues Nc3 (100.0% score)
- …e6 (22% of these games) — Mraz usually continues Nc3 (75.0% score)
- …Nf6 (22% of these games) — Mraz usually continues Nc3 (75.0% score)
As Black against 1.e4 (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 14 | 56.0% | 46.4% |
| b6 | 9 | 36.0% | 88.9% |
| g6 | 2 | 8.0% | 50.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 4 | 40.0% | 37.5% |
| b6 | 3 | 30.0% | 16.7% |
| g6 | 2 | 20.0% | 100.0% |
| d5 | 1 | 10.0% | 0.0% |
Jan Mraz's chess games
All 96 games by Jan Mraz in the Chess.ceo database (Nov 2016 - 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: 53 wins, 17 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | Queen's Pawn Game | 15 | 10/1/4 | 66.7% |
| D35 | Queen's Gambit Declined | 7 | 6/1/0 | 85.7% |
| D06 | Queen's Gambit | 6 | 5/1/0 | 83.3% |
| A17 | English Opening | 4 | 2/2/0 | 50.0% |
| A22 | English Opening: Reverse Sicilian | 4 | 4/0/0 | 100.0% |
| D31 | Semi-Slav Defense | 4 | 2/2/0 | 50.0% |
| D10 | Slav Defense | 4 | 3/1/0 | 75.0% |
| D02 | London System | 1 | 0/1/0 | 0.0% |
| A40 | Mikenas Defense | 1 | 0/0/1 | 0.0% |
| C41 | Philidor | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C01 | French Defense | 12 | 4/3/5 | 33.3% |
| B00 | Owen Defense | 9 | 8/0/1 | 88.9% |
| A40 | English Defense | 5 | 0/1/4 | 0.0% |
| A40 | Modern Defense | 4 | 2/2/0 | 50.0% |
| A10 | English Opening | 3 | 2/0/1 | 66.7% |
| A40 | Horwitz Defense | 2 | 2/0/0 | 100.0% |
| D20 | Queen's Gambit Declined | 1 | 0/1/0 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| C01 | French: Exchange Variation | 1 | 0/0/1 | 0.0% |
| D00 | London System | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2013 | Juraj Steiner | 2,007 | chT-SVK 5 SE-SI 1314 | D50 |
| Jan 2019 | Emanuel Miciak | 1,877 | chT4-SVK A21 1819 | D00 |
| Nov 2022 | Jozef Kurinec | 1,865 | chT-SVK 4 A21 2223 | A20 |
| Mar 2018 | Jakub Ulehla | 1,763 | chT4-SVK A21 1718 | B00 |
| Jan 2018 | Jozef Suchan | 1,751 | chT-SVK 3A2 1718 | A40 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT4-SVK A21 1819 | 2019 | 10 | 6.5 | 1,663 |
| chT5-SVK SE-SI 1920 | 2020 | 9 | 8 | 1,599 |
| chT5-SVK SE-SI 1415 | 2015 | 9 | 9 | 1,753 |
| chT4-SVK A21 1920 | 2020 | 8 | 4.5 | 1,618 |
| chT-SVK 4 A21 2223 | 2023 | 7 | 5 | 1,770 |
| chT3A2-SVK 1011 | 2011 | 6 | 0.5 | 1,512 |
| chT5-SVK SE-SI 1617 | 2017 | 6 | 5.5 | 1,550 |
| chT4-SVK A21 1718 | 2018 | 5 | 5 | 1,966 |
Interactive opening tree from all 96 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Mraz's chess games?
96 games by Jan Mraz, from Nov 2016 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 Jan Mraz has played.
What does Jan Mraz play on the first move as White?
Across 56 games with White in our database, Jan Mraz opens with 1.d4 (79% of games), 1.c4 (16% of games), 1.e4 (5% of games). Against 1.e4 as Black, Jan Mraz answers 1...e6 (56% of games), 1...b6 (36% of games), 1...g6 (8% of games). Against 1.d4: 1...e6 (40% of games), 1...b6 (30% of games), 1...g6 (20% of games).
What openings does Jan Mraz play as White?
As White, Jan Mraz's most-played openings in our database are: Queen's Pawn Game (15 games, 66.7% win rate); Queen's Gambit Declined (7 games, 85.7% win rate); Queen's Gambit (6 games, 83.3% win rate). The full breakdown of 56 games with White is in the table above.
What openings does Jan Mraz play as Black?
As Black, Jan Mraz most often plays: French Defense (12 games, 33.3% win rate); Owen Defense (9 games, 88.9% win rate); English Defense (5 games, 0.0% win rate). See the table above for the top ten Black openings across 40 games.
What is Jan Mraz's FIDE rating?
Jan Mraz is currently rated 1,662 in classical chess. Peak classical rating: 1,740 (Mar 2024).
How many games has Jan Mraz played?
Our database contains 96 games by Jan Mraz, covering Nov 2016 to Jul 2026. Overall record: 53 wins, 17 draws, 26 losses (55.2% win rate).
How do I prepare against Jan Mraz?
96 games by Jan 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.