Kostelny, J
Last game 2025
Rating
peak 2211 · latest 2093Games
37
Wins
14
Draws
8
Losses
15
Peak Elo
2211
48.6% score
As White
| A80 | Dutch Defense | 3 | 33.3% |
| D36 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | 2 | 100.0% |
As Black
| A48 | East Indian Defense | 2 | 0.0% |
| E68 | King's Indian Defense: Fianchetto Variation, Classical Variation | 2 | 25.0% |
Recent games
| Collin, Moritz Valentin2282 | 1-0 | Kostelny, J2093 | 40th ECC Open 2025 | 2025 |
| Kostelny, J2088 | 0-1 | Frank, Adam2384 | 36th Czech Open E 2025 | 2025 |
| Nemec, Jachym2409 | 1-0 | Kostelny, J2105 | 35th Czech Open E 2024 | 2024 |
| Kostelny, J2124 | ½-½ | Zpevak, P2328 | ECo-C TCh-SVK 2022-23 | 2023 |
| Rohacek, M2197 | ½-½ | Kostelny, J2124 | ECo-C TCh-SVK 2022-23 | 2023 |
| Kostelny, J2124 | ½-½ | Varga, Zo2401 | ECo-C TCh-SVK 2022-23 | 2023 |
| Molnar, Erno2234 | 1-0 | Kostelny, J2124 | ECo-C TCh-SVK 2022-23 | 2023 |
| Kostelny, J2124 | ½-½ | Berta, S2050 | ECo-C TCh-SVK 2022-23 | 2022 |
| Kostelny, J2124 | 1-0 | Blaho, S2030 | ECo-C TCh-SVK 2022-23 | 2022 |
| Kostelny, J2145 | 1-0 | Brnusak, Tomas2074 | TCh-SVK 2021-22 | 2022 |
| Kostelny, J2179 | 0-1 | Cibickova, Zuzana2261 | TCh-SVK 2019-20 | 2020 |
| Kostelny, J2179 | 1-0 | Bochnickova, Simona1543 | TCh-SVK 2019-20 | 2020 |
| Kostelny, J2211 | 0-1 | Gasa, Patrik2177 | TCh-SVK 2018-19 | 2019 |
| Kostelny, J2211 | ½-½ | Stohl, I2503 | TCh-SVK 2018-19 | 2019 |
| Haring, V2314 | 1-0 | Kostelny, J2211 | TCh-SVK 2018-19 | 2019 |