Prepare against Jaroslav Olsar
FM · Czechia · World #22,794 classical · FIDE ID 307327
Our database contains 704 games by Jaroslav Olsar, covering Apr 2003 to Jul 2026. Below you'll find Jaroslav Olsar's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jaroslav Olsar 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 | 2,034 | 2,356 | Jul 2008 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 704 | 335 | 193 | 176 | 47.6% |
| As White | 356 | 179 | 90 | 87 | 50.3% |
| As Black | 348 | 156 | 103 | 89 | 44.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jaroslav Olsar's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jaroslav Olsar's side.
First moves as White (356 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 297 | 83.4% | 64.6% |
| d4 | 56 | 15.7% | 53.6% |
| Nf3 | 3 | 0.8% | 66.7% |
Main lines as White
- 1.e4 — 83% of White games, 64.6% score
- …c5 (41% of these games) — Olsar usually continues Nf3 (55.5% score)
- …e5 (19% of these games) — Olsar usually continues Nf3 (67.9% score)
- …e6 (14% of these games) — Olsar usually continues d4 (67.9% score)
- 1.d4 — 16% of White games, 53.6% score
- …Nf6 (66% of these games) — Olsar usually continues Nf3 (57.9% score)
- …d5 (30% of these games) — Olsar usually continues c4 (66.7% score)
- …d6 (2% of these games) — Olsar usually continues e4 (100.0% score)
As Black against 1.e4 (166 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 163 | 98.2% | 64.4% |
| e6 | 1 | 0.6% | 50.0% |
| Nc6 | 1 | 0.6% | 0.0% |
| c5 | 1 | 0.6% | 0.0% |
As Black against 1.d4 (102 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 62 | 60.8% | 49.2% |
| Nf6 | 38 | 37.3% | 68.4% |
| d6 | 1 | 1.0% | 100.0% |
| c5 | 1 | 1.0% | 100.0% |
Jaroslav Olsar's chess games
All 704 games by Jaroslav Olsar in the Chess.ceo database (Apr 2003 - 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: 335 wins, 193 draws, 176 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 40 | 22/6/12 | 55.0% |
| B66 | Sicilian | 36 | 17/10/9 | 47.2% |
| C02 | French: Advance Variation | 19 | 10/5/4 | 52.6% |
| B01 | Scandinavian Defense: Main Line | 16 | 7/5/4 | 43.8% |
| C44 | Scotch Game | 15 | 10/2/3 | 66.7% |
| B93 | Sicilian: Najdorf | 13 | 3/7/3 | 23.1% |
| C06 | French: Tarrasch Variation | 13 | 8/1/4 | 61.5% |
| E90 | Indian Defense | 12 | 6/2/4 | 50.0% |
| B07 | Pirc Defense | 10 | 7/2/1 | 70.0% |
| B06 | Modern Defense | 10 | 7/0/3 | 70.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D18 | Slav Defense | 56 | 17/25/14 | 30.4% |
| C80 | Ruy Lopez: Open | 25 | 15/4/6 | 60.0% |
| C55 | Italian Game | 23 | 9/7/7 | 39.1% |
| C45 | Scotch Game | 17 | 9/3/5 | 52.9% |
| A12 | Réti Opening | 17 | 6/8/3 | 35.3% |
| C63 | Ruy Lopez: Schliemann | 17 | 10/5/2 | 58.8% |
| D02 | Queen's Pawn Game | 14 | 3/6/5 | 21.4% |
| C77 | Ruy Lopez: Morphy Defense | 11 | 6/3/2 | 54.5% |
| A30 | English Opening | 10 | 5/2/3 | 50.0% |
| A56 | Benoni Defense | 10 | 6/2/2 | 60.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2015 | Lukas Cernousek | 2,453 | chT-CZE 1415 | D91 |
| Jan 1994 | Miroslaw Grabarczyk | 2,435 | Karvina Open | C44 |
| Aug 2007 | Yuri A. Meshkov | 2,418 | 4th IBCA ch-EU blind | B61 |
| Feb 2015 | Stanislav Jasny | 2,416 | chT-CZE 1415 | A53 |
| Feb 2000 | Sergej Berezjuk | 2,371 | chT-CZE 9900 | B22 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Karvina Open | 2016 | 98 | 62 | 2,232 |
| ch-CZE blind | 2003 | 21 | 20 | 2,199 |
| ch-CZE | 2014 | 18 | 8 | 2,143 |
| Ostrava Konik Open A | 2011 | 17 | 10 | 2,231 |
| chT-Moravia-Silesia Region 2223 | 2023 | 11 | 8.5 | 2,079 |
| chT1E-CZE 0607 | 2007 | 11 | 7.5 | 2,410 |
| chT1-CZE East 0506 | 2006 | 11 | 5.5 | 2,268 |
| chT-CZE 1E 1112 | 2012 | 11 | 6 | 2,241 |
Frequent opponents
Head-to-head records: Pavel Zabystrzan (11 games)
Interactive opening tree from all 704 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jaroslav Olsar's chess games?
704 games by Jaroslav Olsar, from Apr 2003 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 Jaroslav Olsar has played.
What does Jaroslav Olsar play on the first move as White?
Across 356 games with White in our database, Jaroslav Olsar opens with 1.e4 (83% of games), 1.d4 (16% of games), 1.Nf3 (1% of games). Against 1.e4 as Black, Jaroslav Olsar answers 1...e5 (98% of games), 1...e6 (1% of games), 1...Nc6 (1% of games). Against 1.d4: 1...d5 (61% of games), 1...Nf6 (37% of games), 1...d6 (1% of games).
What openings does Jaroslav Olsar play as White?
As White, Jaroslav Olsar's most-played openings in our database are: Sicilian: Alapin (40 games, 55.0% win rate); Sicilian (36 games, 47.2% win rate); French: Advance Variation (19 games, 52.6% win rate). The full breakdown of 356 games with White is in the table above.
What openings does Jaroslav Olsar play as Black?
As Black, Jaroslav Olsar most often plays: Slav Defense (56 games, 30.4% win rate); Ruy Lopez: Open (25 games, 60.0% win rate); Italian Game (23 games, 39.1% win rate). See the table above for the top ten Black openings across 348 games.
What is Jaroslav Olsar's FIDE rating?
Jaroslav Olsar is currently rated 2,034 in classical chess. Peak classical rating: 2,356 (Jul 2008).
How many games has Jaroslav Olsar played?
Our database contains 704 games by Jaroslav Olsar, covering Apr 2003 to Jul 2026. Overall record: 335 wins, 193 draws, 176 losses (47.6% win rate).
How do I prepare against Jaroslav Olsar?
704 games by Jaroslav Olsar 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.