68 games · 2012–2026 · 14 classical · 29 online
Kosteniuk 2525 draws18 Stefanova
55.1% for Kosteniuk
Openings between them
| A05 | King's Indian Attack | 8 | 56.3% |
| A07 | King's Indian Attack | 5 | 60.0% |
| C71 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | 5 | 80.0% |
| E04 | Catalan Opening: Open Defense | 4 | 12.5% |
| A45 | Trompowsky Attack | 3 | 50.0% |
| C47 | Four Knights Game | 3 | 50.0% |
| C50 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 3 | 50.0% |
| C54 | Italian Game: Classical Variation, Giuoco Pianissimo | 3 | 100.0% |
| D02 | Queen's Pawn Game: London System | 3 | 50.0% |
| C43 | Bishop's Opening: Urusov Gambit | 2 | 25.0% |
| C56 | Italian Game: Scotch Gambit, Max Lange Attack | 2 | 50.0% |
| C72 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | 2 | 50.0% |