Prepare against Jonasz Baum
IM · Poland · World #822 classical · FIDE ID 1195360
When preparing against Jonasz Baum, expect 1.d4 in 51% of White games. Against 1.e4 the reply is 1...c5 (60% of games); against 1.d4, 1...Nf6 (57%). Lowest win rate among frequent openings: Indian Defense as Black, 30.0% over 40 games.
Our database contains 1,215 games by Jonasz Baum, covering Jan 2013 to Aug 2026. Below you'll find Jonasz Baum's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonasz Baum 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 | 2,470 | 2,487 | Apr 2025 |
| Rapid | 2,377 | 2,403 | Mar 2026 |
| Blitz | 2,383 | 2,401 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,215 | 542 | 311 | 362 | 44.6% |
| As White | 615 | 293 | 153 | 169 | 47.6% |
| As Black | 600 | 249 | 158 | 193 | 41.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonasz Baum's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonasz Baum's side.
First moves as White (611 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 310 | 50.7% | 63.2% |
| e4 | 239 | 39.1% | 56.7% |
| Nf3 | 30 | 4.9% | 63.3% |
| c4 | 27 | 4.4% | 59.3% |
| g3 | 4 | 0.7% | 12.5% |
| Nc3 | 1 | 0.2% | 0.0% |
Main lines as White
- 1.d4 — 51% of White games, 63.2% score
- …Nf6 (60% of these games) — Baum usually continues c4 (61.5% score)
- …d5 (27% of these games) — Baum usually continues c4 (75.0% score)
- …d6 (4% of these games) — Baum usually continues e4 (16.7% score)
- 1.e4 — 39% of White games, 56.7% score
- …c5 (41% of these games) — Baum usually continues Nf3 (61.7% score)
- …e5 (23% of these games) — Baum usually continues Nf3 (57.7% score)
- …e6 (12% of these games) — Baum usually continues d4 (35.4% score)
As Black against 1.e4 (282 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 170 | 60.3% | 59.1% |
| e5 | 69 | 24.5% | 64.5% |
| e6 | 24 | 8.5% | 47.9% |
| c6 | 18 | 6.4% | 61.1% |
As Black against 1.d4 (196 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 112 | 57.1% | 44.6% |
| d5 | 68 | 34.7% | 54.4% |
| e6 | 15 | 7.7% | 70.0% |
| g6 | 1 | 0.5% | 100.0% |
Jonasz Baum's chess games
All 1,215 games by Jonasz Baum in the Chess.ceo database (Jan 2013 - Aug 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: 542 wins, 311 draws, 362 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 66 | 35/14/17 | 53.0% |
| B22 | Sicilian | 44 | 21/7/16 | 47.7% |
| E05 | Catalan | 37 | 21/12/4 | 56.8% |
| D11 | Slav Defense | 28 | 17/8/3 | 60.7% |
| E20 | Nimzo-Indian Defense | 25 | 15/4/6 | 60.0% |
| B90 | Sicilian: Najdorf | 22 | 13/3/6 | 59.1% |
| E81 | King's Indian: Sämisch | 20 | 12/2/6 | 60.0% |
| E12 | Queen's Indian Defense | 20 | 8/7/5 | 40.0% |
| D30 | Queen's Gambit Declined | 19 | 11/6/2 | 57.9% |
| B06 | Modern Defense | 15 | 7/2/6 | 46.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 55 | 30/10/15 | 54.5% |
| A04 | Réti Opening | 41 | 18/8/15 | 43.9% |
| D35 | Indian Defense | 40 | 12/11/17 | 30.0% |
| B90 | Sicilian: Najdorf | 35 | 17/8/10 | 48.6% |
| E04 | Catalan | 27 | 9/8/10 | 33.3% |
| B30 | Sicilian: Rossolimo | 19 | 7/0/12 | 36.8% |
| B23 | Sicilian: Closed | 17 | 8/4/5 | 47.1% |
| D02 | London System | 16 | 8/4/4 | 50.0% |
| A20 | English Opening: Reverse Sicilian | 15 | 6/4/5 | 40.0% |
| D31 | Queen's Gambit Declined | 15 | 7/5/3 | 46.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2024 | Etienne Bacrot | 2,683 | Titled Tue Early | C07 |
| Jun 2020 | David Paravyan | 2,653 | Titled Tue | B32 |
| Aug 2021 | Mateusz Bartel | 2,611 | POL Cup KO Rapid | D35 |
| Apr 2021 | Vasif Durarbayli | 2,606 | Titled Arena Apr 3rd | A07 |
| Aug 2019 | Ilia Smirin | 2,605 | Riga Tech Open A | E62 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2024 | 182 | 95 | 2,324 |
| Warsaw Maciei Memorial | 2023 | 31 | 20.5 | 2,347 |
| POL-chT U19 2nd League | 2016 | 30 | 21.5 | 1,707 |
| ch-EU Blitz | 2022 | 26 | 13.5 | 2,282 |
| Titled Arena Apr 3rd | 2021 | 21 | 11 | 2,339 |
| ch-EU Rapid | 2022 | 20 | 12.5 | 2,252 |
| Wch Blitz | 2021 | 20 | 8.5 | 2,366 |
| Przeworsk | 2023 | 18 | 8 | 2,406 |
Interactive opening tree from all 1,215 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonasz Baum's chess games?
1,215 games by Jonasz Baum, from Jan 2013 to Aug 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 Jonasz Baum has played.
What does Jonasz Baum play on the first move as White?
Across 611 games with White in our database, Jonasz Baum opens with 1.d4 (51% of games), 1.e4 (39% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Jonasz Baum answers 1...c5 (60% of games), 1...e5 (24% of games), 1...e6 (9% of games). Against 1.d4: 1...Nf6 (57% of games), 1...d5 (35% of games), 1...e6 (8% of games).
What openings does Jonasz Baum play as White?
As White, Jonasz Baum's most-played openings in our database are: Indian Defense (66 games, 53.0% win rate); Sicilian (44 games, 47.7% win rate); Catalan (37 games, 56.8% win rate). The full breakdown of 615 games with White is in the table above.
What openings does Jonasz Baum play as Black?
As Black, Jonasz Baum most often plays: Sicilian (55 games, 54.5% win rate); Réti Opening (41 games, 43.9% win rate); Indian Defense (40 games, 30.0% win rate). See the table above for the top ten Black openings across 600 games.
What is Jonasz Baum's FIDE rating?
Jonasz Baum is currently rated 2,470 in classical chess, 2,377 in rapid and 2,383 in blitz. Peak classical rating: 2,487 (Apr 2025).
How many games has Jonasz Baum played?
Our database contains 1,215 games by Jonasz Baum, covering Jan 2013 to Aug 2026. Overall record: 542 wins, 311 draws, 362 losses (44.6% win rate).
How do I prepare against Jonasz Baum?
1,215 games by Jonasz Baum 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.