Prepare against Ondrej Sedivy
Czechia · World #75,956 classical · FIDE ID 345571
When preparing against Ondrej Sedivy, expect 1.c4 in 97% of White games. Against 1.e4 the reply is 1...e6 (100% of games); against 1.d4, 1...d5 (92%).
Our database contains 80 games by Ondrej Sedivy, covering Nov 2009 to Jul 2026. Below you'll find Ondrej Sedivy's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Sedivy 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 | 1,802 | 1,835 | Apr 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 80 | 12 | 31 | 37 | 15.0% |
| As White | 36 | 4 | 14 | 18 | 11.1% |
| As Black | 44 | 8 | 17 | 19 | 18.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ondrej Sedivy's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Sedivy's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 35 | 97.2% | 30.0% |
| e4 | 1 | 2.8% | 50.0% |
Main lines as White
- 1.c4 — 97% of White games, 30.0% score
- …Nf6 (31% of these games) — Sedivy usually continues Nc3 (27.3% score)
- …e5 (20% of these games) — Sedivy usually continues Nc3 (21.4% score)
- …c5 (14% of these games) — Sedivy usually continues Nc3 (60.0% score)
- 1.e4 — 3% of White games, 50.0% score
- …e6 (100% of these games) — Sedivy usually continues d4 (50.0% score)
As Black against 1.e4 (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 27 | 100.0% | 40.7% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 12 | 92.3% | 33.3% |
| Nf6 | 1 | 7.7% | 0.0% |
Ondrej Sedivy's chess games
All 80 games by Ondrej Sedivy in the Chess.ceo database (Nov 2009 - 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: 12 wins, 31 draws, 37 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A10 | English Opening | 11 | 1/4/6 | 9.1% |
| A25 | English Opening: Reverse Sicilian | 8 | 0/3/5 | 0.0% |
| E92 | King's Indian Defense: Orthodox Variation | 6 | 0/3/3 | 0.0% |
| A36 | English Opening: Symmetrical | 3 | 2/0/1 | 66.7% |
| A16 | Modern Defense | 2 | 1/1/0 | 50.0% |
| A09 | Réti Opening | 1 | 0/0/1 | 0.0% |
| D14 | Slav Defense | 1 | 0/1/0 | 0.0% |
| A92 | English Opening: Dutch Defense | 1 | 0/1/0 | 0.0% |
| A18 | English Opening: Mikenas Variation | 1 | 0/0/1 | 0.0% |
| C13 | French: Tarrasch Variation | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D13 | Slav Defense | 8 | 1/4/3 | 12.5% |
| C02 | French: Advance Variation | 7 | 0/4/3 | 0.0% |
| C01 | French: Exchange Variation | 7 | 4/2/1 | 57.1% |
| C11 | French: Classical Variation | 6 | 0/3/3 | 0.0% |
| C06 | French: Tarrasch Variation | 4 | 1/0/3 | 25.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| A08 | Nimzo-Larsen Attack | 1 | 0/1/0 | 0.0% |
| A15 | Orangutan opening | 1 | 0/1/0 | 0.0% |
| A30 | Queen's Indian Defense | 1 | 0/0/1 | 0.0% |
| D11 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2015 | Zdenek Voracek | 2,026 | Ricany Open | D30 |
| Aug 2010 | Pavel Havlicek | 1,810 | Ricany Open | C05 |
| Aug 2007 | Ladislav Jaros | 1,765 | Ricany Open B | A16 |
| Aug 2015 | Pavol Cisarik | 1,729 | Prague Holiday K31 | C06 |
| Aug 2007 | Dusan Maly | 1,665 | Ricany Open B | C01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Ricany Open | 2015 | 35 | 11 | 1,741 |
| Ricany Open A | 2011 | 16 | 3 | 1,667 |
| Ricany Open B | 2007 | 14 | 9 | 1,717 |
| Prague Holiday K31 | 2015 | 9 | 2.5 | 1,728 |
| chT-Mid Bohemia Region 2223 | 2023 | 6 | 2 | 1,702 |
Interactive opening tree from all 80 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ondrej Sedivy's chess games?
80 games by Ondrej Sedivy, from Nov 2009 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 Sedivy has played.
What does Ondrej Sedivy play on the first move as White?
Across 36 games with White in our database, Ondrej Sedivy opens with 1.c4 (97% of games), 1.e4 (3% of games). Against 1.e4 as Black, Ondrej Sedivy answers 1...e6 (100% of games). Against 1.d4: 1...d5 (92% of games), 1...Nf6 (8% of games).
What openings does Ondrej Sedivy play as White?
As White, Ondrej Sedivy's most-played openings in our database are: English Opening (11 games, 9.1% win rate); English Opening: Reverse Sicilian (8 games, 0.0% win rate); King's Indian Defense: Orthodox Variation (6 games, 0.0% win rate). The full breakdown of 36 games with White is in the table above.
What openings does Ondrej Sedivy play as Black?
As Black, Ondrej Sedivy most often plays: Slav Defense (8 games, 12.5% win rate); French: Advance Variation (7 games, 0.0% win rate); French: Exchange Variation (7 games, 57.1% win rate). See the table above for the top ten Black openings across 44 games.
What is Ondrej Sedivy's FIDE rating?
Ondrej Sedivy is currently rated 1,802 in classical chess. Peak classical rating: 1,835 (Apr 2024).
How many games has Ondrej Sedivy played?
Our database contains 80 games by Ondrej Sedivy, covering Nov 2009 to Jul 2026. Overall record: 12 wins, 31 draws, 37 losses (15.0% win rate).
How do I prepare against Ondrej Sedivy?
80 games by Ondrej Sedivy 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.