Prepare against Jan Oresky
Czechia · World #8,025 classical · FIDE ID 328693
When preparing against Jan Oresky, expect 1.e4 in 98% of White games. Against 1.e4 the reply is 1...c5 (94% of games); against 1.d4, 1...d5 (60%). Lowest win rate among frequent openings: Sicilian as White, 27.0% over 37 games.
Our database contains 337 games by Jan Oresky, covering Oct 2005 to Jul 2026. Below you'll find Jan Oresky's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Oresky 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 | 2,204 | 2,276 | Mar 2022 |
| Blitz | 2,161 | 2,162 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 337 | 109 | 124 | 104 | 32.3% |
| As White | 182 | 72 | 57 | 53 | 39.6% |
| As Black | 155 | 37 | 67 | 51 | 23.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Oresky's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Oresky's side.
First moves as White (182 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 179 | 98.4% | 55.3% |
| Nf3 | 3 | 1.6% | 50.0% |
Main lines as White
- 1.e4 — 98% of White games, 55.3% score
- …c5 (52% of these games) — Oresky usually continues Nf3 (51.6% score)
- …e5 (15% of these games) — Oresky usually continues Nf3 (54.0% score)
- …e6 (13% of these games) — Oresky usually continues d4 (58.3% score)
- 1.Nf3 — 2% of White games, 50.0% score
- …Nc6 (67% of these games) — Oresky usually continues g3 (100.0% score)
- …d5 (33% of these games) — Oresky usually continues d4 (50.0% score)
As Black against 1.e4 (80 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 75 | 93.8% | 49.3% |
| e5 | 5 | 6.3% | 70.0% |
As Black against 1.d4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 30 | 60.0% | 33.3% |
| Nf6 | 20 | 40.0% | 32.5% |
Jan Oresky's chess games
All 337 games by Jan Oresky in the Chess.ceo database (Oct 2005 - 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: 109 wins, 124 draws, 104 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 37 | 10/13/14 | 27.0% |
| B90 | Sicilian: Najdorf | 28 | 11/5/12 | 39.3% |
| C55 | Italian Game | 13 | 4/5/4 | 30.8% |
| B12 | Caro-Kann: Advance Variation | 10 | 5/3/2 | 50.0% |
| C18 | French: Winawer Variation | 8 | 3/1/4 | 37.5% |
| C06 | French: Tarrasch Variation | 7 | 4/2/1 | 57.1% |
| B35 | Sicilian: Accelerated Dragon | 7 | 3/3/1 | 42.9% |
| C13 | French: Classical Variation | 5 | 3/2/0 | 60.0% |
| B06 | Modern Defense | 5 | 3/0/2 | 60.0% |
| B33 | Sicilian: Sveshnikov | 5 | 4/1/0 | 80.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B75 | Sicilian: Dragon | 14 | 5/3/6 | 35.7% |
| B80 | Sicilian: Najdorf | 14 | 5/7/2 | 35.7% |
| B83 | Sicilian: Scheveningen | 12 | 3/5/4 | 25.0% |
| D27 | Queen's Gambit Accepted | 10 | 2/5/3 | 20.0% |
| B23 | Sicilian: Closed | 9 | 1/7/1 | 11.1% |
| B22 | Sicilian: Alapin | 9 | 3/2/4 | 33.3% |
| B51 | Sicilian: Moscow Variation | 8 | 0/4/4 | 0.0% |
| D02 | London System | 8 | 0/5/3 | 0.0% |
| B50 | Sicilian | 8 | 2/6/0 | 25.0% |
| A47 | Indian Defense | 7 | 1/2/4 | 14.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2010 | Sebastian Schmidt Schaeffer | 2,431 | 21st Pardubice Czech Open A | A03 |
| Aug 2010 | Genadi A Ageichenko | 2,402 | Olomouc Open | B33 |
| Feb 2009 | Vojtech Rojicek | 2,375 | ch-CZE U18 | B88 |
| Mar 2010 | Milos Mozny | 2,370 | chT1W-CZE 0910 | B80 |
| May 2009 | Stanislav Firt | 2,310 | Ostrava Open | B33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE U16 | 2006 | 18 | 11 | 1,922 |
| Novy Bor Open | 2011 | 17 | 10.5 | 2,187 |
| ch-CZE Betsys Online Blitz | 2021 | 13 | 6.5 | 1,933 |
| chT-CZE 1W 1415 | 2015 | 11 | 4 | 2,041 |
| chT1W-CZE 0910 | 2010 | 11 | 6 | 2,303 |
| ch-CZE U18 | 2009 | 11 | 3.5 | 2,079 |
| chT1W-CZE 1011 | 2011 | 11 | 6.5 | 2,333 |
| chT2C-CZE 1213 | 2013 | 10 | 2.5 | 1,939 |
Interactive opening tree from all 337 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Oresky's chess games?
337 games by Jan Oresky, from Oct 2005 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 Oresky has played.
What does Jan Oresky play on the first move as White?
Across 182 games with White in our database, Jan Oresky opens with 1.e4 (98% of games), 1.Nf3 (2% of games). Against 1.e4 as Black, Jan Oresky answers 1...c5 (94% of games), 1...e5 (6% of games). Against 1.d4: 1...d5 (60% of games), 1...Nf6 (40% of games).
What openings does Jan Oresky play as White?
As White, Jan Oresky's most-played openings in our database are: Sicilian (37 games, 27.0% win rate); Sicilian: Najdorf (28 games, 39.3% win rate); Italian Game (13 games, 30.8% win rate). The full breakdown of 182 games with White is in the table above.
What openings does Jan Oresky play as Black?
As Black, Jan Oresky most often plays: Sicilian: Dragon (14 games, 35.7% win rate); Sicilian: Najdorf (14 games, 35.7% win rate); Sicilian: Scheveningen (12 games, 25.0% win rate). See the table above for the top ten Black openings across 155 games.
What is Jan Oresky's FIDE rating?
Jan Oresky is currently rated 2,204 in classical chess and 2,161 in blitz. Peak classical rating: 2,276 (Mar 2022).
How many games has Jan Oresky played?
Our database contains 337 games by Jan Oresky, covering Oct 2005 to Jul 2026. Overall record: 109 wins, 124 draws, 104 losses (32.3% win rate).
How do I prepare against Jan Oresky?
337 games by Jan Oresky 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.