Bosak, J
Last game 2025
Rating
peak 2131 · latest 2061Games
77
Wins
26
Draws
22
Losses
29
Peak Elo
2131
48.1% score
As White
| A28 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | 5 | 50.0% |
| E98 | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | 2 | 50.0% |
| A10 | English Opening: Great Snake Variation | 2 | 25.0% |
| A13 | English Opening: Agincourt Defense | 2 | 75.0% |
| A16 | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | 2 | 100.0% |
| A88 | Dutch Defense: Leningrad Variation, Warsaw Variation | 2 | 75.0% |
| E94 | King's Indian Defense: Orthodox Variation, Glek Defense | 2 | 25.0% |
As Black
| C03 | French Defense: Tarrasch Variation, Modern System | 6 | 33.3% |
| C01 | French Defense: Exchange Variation | 4 | 50.0% |
| C00 | French Defense: King's Indian Attack | 4 | 75.0% |
| C78 | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | 4 | 25.0% |
| E60 | Indian Defense: Anti-Grünfeld, Alekhine Variation | 4 | 25.0% |
| D85 | Grünfeld Defense: Exchange Variation | 3 | 66.7% |
| A45 | Indian Defense | 2 | 50.0% |
Recent games
| Krizek, F1903 | ½-½ | Bosak, J2061 | Stare Mesto Open 2025 | 2025 |
| Babula, Matej2012 | 1-0 | Bosak, J2061 | Stare Mesto Open 2025 | 2025 |
| Cerveny, M2311 | 1-0 | Bosak, J2061 | Stare Mesto Open 2025 | 2025 |
| Bosak, J2061 | ½-½ | Zwardon, V2438 | Stare Mesto Open 2025 | 2025 |
| Bosak, J2063 | ½-½ | Pilch, R2113 | TCh-CZE 1 Liga Vychod | 2022 |
| Travnicek, Krystof Mikulas2159 | 1-0 | Bosak, J2063 | TCh-CZE 1 Liga Vychod | 2022 |
| Bosak, J2063 | 1-0 | Vrana, F2233 | TCh-CZE 1 Liga Vychod | 2022 |
| Bosak, J2063 | ½-½ | Bednarik, Josef2147 | TCh-CZE 1 Liga Vychod | 2021 |
| Lajbl, Jan2176 | 1-0 | Bosak, J2076 | Stare Mesto Open 2021 | 2021 |
| Bosak, J2076 | 1-0 | Antal, Jakub1940 | Stare Mesto Open 2021 | 2021 |
| Setina, Vaclav1607 | 0-1 | Bosak, J2076 | Stare Mesto Open 2021 | 2021 |
| Bosak, J2076 | 0-1 | Krizek, F1921 | Stare Mesto Open 2021 | 2021 |
| Neuman, P2402 | 1-0 | Bosak, J2076 | Stare Mesto Open 2021 | 2021 |
| Bosak, J2076 | 1-0 | Matus, Filip1903 | Stare Mesto Open 2021 | 2021 |
| Svanda, Ondrej2312 | 1-0 | Bosak, J2076 | Stare Mesto Open 2021 | 2021 |