5 games · 2013–2023 · 5 classical · 0 online
Birnboim 21 draws2 Kolbak
50.0% for Birnboim
Openings between them
| A30 | English Opening: Symmetrical Variation | 1 | 0.0% |
| A62 | Benoni Defense: Fianchetto Variation | 1 | 0.0% |
| C60 | Ruy Lopez: Fianchetto Defense | 1 | 50.0% |
| D85 | Grünfeld Defense: Exchange Variation | 1 | 100.0% |
| E67 | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | 1 | 100.0% |
All games
| Kolbak, J2148 | 1-0 | Birnboim, N2357 | TCh-EUR Senior +65 2023 | 2023 |
| Birnboim, N2383 | 0-1 | Kolbak, J2155 | World Senior Teams +65 | 2022 |
| Kolbak, J2145 | ½-½ | Birnboim, N2365 | 19th ch-Euro Seniors +65 | 2019 |
| Birnboim, N2376 | 1-0 | Kolbak, J2173 | World Senior 65+ 2018 | 2018 |
| Kolbak, J2280 | 0-1 | Birnboim, N2356 | 15th TCh-Eur Senior | 2013 |