4 games · 2013–2023 · 4 classical · 0 online
Koopmeiners 20 draws2 Voroblievas
50.0% for Koopmeiners
Openings between them
| B18 | Caro-Kann Defense: Classical Variation, Main Line | 1 | 100.0% |
| B48 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 1 | 100.0% |
| D11 | Slav Defense: Modern Line | 1 | 0.0% |
| D47 | Semi-Slav Defense: Meran Variation | 1 | 0.0% |
All games
| Voroblievas, A1707 | 0-1 | Koopmeiners, K1895 | 33rd NATO Chess 2023 | 2023 |
| Koopmeiners, K1946 | 0-1 | Voroblievas, A1740 | 32nd NATO Chess 2022 | 2022 |
| Voroblievas, A1698 | 0-1 | Koopmeiners, K1968 | 31st NATO Chess 2021 | 2021 |
| Koopmeiners, K2038 | 0-1 | Voroblievas, A1857 | 24th ch-NATO 2013 | 2013 |