4 games · 2016–2017 · 4 classical · 0 online
Kostov 10 draws3 Ruschukov
25.0% for Kostov
Openings between them
| A45 | Indian Defense | 1 | 0.0% |
| D00 | Queen's Pawn Game: Stonewall Attack | 1 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 1 | 0.0% |
| E01 | Catalan Opening: Open Defense | 1 | 100.0% |
All games
| Ruschukov, Boyan1801 | 1-0 | Kostov, N1668 | 185th MGU Open 2017 | 2017 |
| Ruschukov, Boyan1828 | 0-1 | Kostov, N1653 | 183rd MGU Open 2017 | 2017 |
| Kostov, N1705 | 0-1 | Ruschukov, Boyan1878 | 175th MGU Open 2016 | 2016 |
| Kostov, N1690 | 0-1 | Ruschukov, Boyan1911 | 173rd MGU Open 2016 | 2016 |