Alexandra Kosteniuk vs Olga Badelka
GM Alexandra Kosteniuk (2481) · IM Olga Badelka (2408)
Alexandra Kosteniuk and Olga Badelka have played 18 recorded games against each other, the first in May 2019 and the most recent in Sep 2026. Kosteniuk leads 11 wins to 2, with 5 draws (72% of the games were decisive). Their most common battleground is the Sicilian: Alapin (3 games). The average game between them lasted 47 moves.
Results by color
| Split | Games | Kosteniuk | Draws | Badelka |
|---|---|---|---|---|
| Kosteniuk with White | 9 | 5 | 3 | 1 |
| Badelka with White | 9 | 6 | 2 | 1 |
Results by time format
| Format | Games | Kosteniuk | Draws | Badelka |
|---|---|---|---|---|
| Blitz | 10 | 8 | 1 | 1 |
| Classical | 7 | 2 | 4 | 1 |
| Rapid | 1 | 1 | 0 | 0 |
Openings in their games
| ECO | Opening | Games | Kosteniuk | Draws | Badelka |
|---|---|---|---|---|---|
| B22 | Sicilian: Alapin | 3 | 2 | 1 | 0 |
| D02 | Queen's Pawn Game | 2 | 1 | 1 | 0 |
| A31 | English Opening | 1 | 0 | 1 | 0 |
| A46 | Indian Defense | 1 | 1 | 0 | 0 |
| B07 | Pirc Defense | 1 | 0 | 0 | 1 |
| B08 | Sicilian: Smith-Morra Gambit | 1 | 1 | 0 | 0 |
| B30 | Sicilian: Rossolimo | 1 | 0 | 1 | 0 |
| C50 | Bishop's Opening | 1 | 1 | 0 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Sep 2026 | Olga Badelka | Alexandra Kosteniuk | 1/2-1/2 | Queen's Pawn Game | 46th FIDE Chess Olympiad Samarkand 2026 | Women | Matches 1-25 |
| Jan 2026 | Olga Badelka | Alexandra Kosteniuk | 0-1 | Indian Defense | European Women Blitz 2026 |
| Dec 2025 | Alexandra Kosteniuk | Olga Badelka | 0-1 | Pirc Defense | World Blitz Women 2025 |
| Dec 2025 | Alexandra Kosteniuk | Olga Badelka | 1-0 | Sicilian: Alapin | World Rapid Women 2025 |
| Oct 2025 | Alexandra Kosteniuk | Olga Badelka | 1/2-1/2 | Sicilian: Rossolimo | 29th ECC Women |
| Oct 2025 | Olga Badelka | Alexandra Kosteniuk | 0-1 | Semi-Slav Defense | 25th European Teams Women |
| Jun 2025 | Olga Badelka | Alexandra Kosteniuk | 0-1 | Nimzo-Indian: Rubinstein System | FIDE World Bl Team Pool A |
| May 2025 | Olga Badelka | Alexandra Kosteniuk | 1-0 | Semi-Slav Defense | Grosslobming WGP |
| Nov 2024 | Olga Badelka | Alexandra Kosteniuk | 0-1 | Queen's Pawn Game | Titled Tue Early |
| Aug 2024 | Alexandra Kosteniuk | Olga Badelka | 1-0 | Sicilian: Smith-Morra Gambit | Swiss Queens Wed #31 |
| May 2024 | Alexandra Kosteniuk | Olga Badelka | 1-0 | Ruy Lopez: Morphy Defense | Titled Tue Early |
| Dec 2023 | Alexandra Kosteniuk | Olga Badelka | 1-0 | Bishop's Opening | Wch Blitz w |
| Dec 2021 | Olga Badelka | Alexandra Kosteniuk | 0-1 | Nimzo-Indian: Rubinstein System | Wch Blitz w |
| Nov 2021 | Olga Badelka | Alexandra Kosteniuk | 0-1 | English Opening: Reverse Sicilian | Lindores Abbey Blitz Tal Memorial |
| Nov 2021 | Alexandra Kosteniuk | Olga Badelka | 1/2-1/2 | Sicilian: Alapin | Lindores Abbey Blitz Tal Memorial |
| Apr 2021 | Olga Badelka | Alexandra Kosteniuk | 1/2-1/2 | Réti Opening | 11th Moscow Blondes-Brunettes Match |
| Mar 2020 | Alexandra Kosteniuk | Olga Badelka | 1-0 | Sicilian: Alapin | Moscow Blondes-Brunettes Match |
| May 2019 | Alexandra Kosteniuk | Olga Badelka | 1/2-1/2 | English Opening | chT-RUS w |
Interactive board, all 18 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Alexandra Kosteniuk and Olga Badelka?
In 18 recorded games, Alexandra Kosteniuk has 11 wins, Olga Badelka has 2 wins, and they have drawn 5 times.
How many times have Alexandra Kosteniuk and Olga Badelka played each other?
Our database records 18 games between them, from May 2019 to Sep 2026.
What openings do Alexandra Kosteniuk and Olga Badelka play against each other?
The most common opening in their games is the Sicilian: Alapin (3 games), followed by the Queen's Pawn Game (2). The full opening breakdown and every game are on this page.