Baum, Jonasz
Last game 2026
Rating
peak 2487 · latest 2449Games
945
Wins
410
Draws
250
Losses
285
Peak Elo
2487
56.6% score
As White
| E20 | Nimzo-Indian Defense: Kmoch Variation | 22 | 68.2% |
| B12 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 12 | 45.8% |
| D30 | Queen's Gambit Declined | 11 | 95.5% |
| B90 | Sicilian Defense: Najdorf Variation, Adams Attack | 8 | 50.0% |
| C02 | French Defense: Advance Variation | 8 | 50.0% |
| D35 | Queen's Gambit Declined: Exchange Variation, Positional Variation | 8 | 81.3% |
As Black
| D02 | Queen's Pawn Game: London System | 19 | 60.5% |
| B90 | Sicilian Defense: Najdorf Variation | 16 | 56.3% |
| E04 | Catalan Opening: Open Defense | 14 | 39.3% |
| A13 | English Opening: Agincourt Defense | 13 | 19.2% |
| A07 | King's Indian Attack | 12 | 45.8% |
| B23 | Sicilian Defense: Closed | 12 | 54.2% |
| C41 | Philidor Defense | 10 | 95.0% |
| A06 | Nimzo-Larsen Attack: Classical Variation | 8 | 50.0% |
| B30 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 8 | 37.5% |
| A20 | English Opening: King's English Variation | 7 | 57.1% |
Recent games
| Janeczko, Jakub2229 | 0-1 | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2449 | 1-0 | Barchuk, Irina2142 | Jana Maciei Mem 2026 | 2026 |
| Klimkowski, Jan2514 | 1-0 | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2449 | 1-0 | Lee, Hyo2013 | Jana Maciei Mem 2026 | 2026 |
| Kokoszczynski, Jan2231 | 1-0 | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2449 | 1-0 | Sriram, J2308 | Jana Maciei Mem 2026 | 2026 |
| Pechac, Jergus2539 | 1-0 | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2449 | 1-0 | Ostojski, Dawid1991 | Jana Maciei Mem 2026 | 2026 |
| Kozlowski, Michal2128 | ½-½ | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2449 | 1-0 | Khamidov, Abdulla2254 | Jana Maciei Mem 2026 | 2026 |
| Krogulski, Maksymilian1974 | 0-1 | Baum, Jonasz2449 | Jana Maciei Mem 2026 | 2026 |
| Baum, Jonasz2446 | 1-0 | Efimenko, Z2565 | Bundesliga 2025-26 | 2026 |
| Druska, J2457 | 1-0 | Baum, Jonasz2446 | Bundesliga 2025-26 | 2026 |
| Abasov, N2587 | 1-0 | Baum, Jonasz2446 | Bundesliga 2025-26 | 2026 |
| Baum, Jonasz2446 | ½-½ | Krivoborodov, E2534 | Bundesliga 2025-26 | 2026 |