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Antoaneta Stefanova vs Alexandra Kosteniuk

GM Antoaneta Stefanova (2401) · GM Alexandra Kosteniuk (2508)

24
Stefanova wins
31
draws
34
Kosteniuk wins
89
games

Antoaneta Stefanova and Alexandra Kosteniuk have played 89 recorded games against each other, the first in Mar 2004 and the most recent in Jan 2026. Stefanova leads 24 wins to 34 - trailing overall, with 31 draws (65% of the games were decisive). Their most common battleground is the Ruy Lopez: Steinitz Defense Deferred (4 games). The average game between them lasted 50 moves.

Results by color

SplitGamesStefanovaDrawsKosteniuk
Stefanova with White49132016
Kosteniuk with White40111118

Results by time format

FormatGamesStefanovaDrawsKosteniuk
Blitz50131225
Classical297166
Rapid10433

Openings in their games

ECOOpeningGamesStefanovaDrawsKosteniuk
C72Ruy Lopez: Steinitz Defense Deferred4013
A05Réti Opening4220
C78Ruy Lopez: Morphy Defense4103
A07King's Indian Attack, with Bf53111
C50Italian Game3030
C47Four Knights Game3111
B11Caro-Kann: Two Knights Variation3111
C67Ruy Lopez: Berlin Defense3201

Most recent 30 of 89 games

DateWhiteBlackResultOpeningEvent
Jan 2026Alexandra KosteniukAntoaneta Stefanova1/2-1/2Italian GameEuropean Women Blitz 2026
Oct 2025Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Vienna Game25th European Teams Women
Jan 2024Alexandra KosteniukAntoaneta Stefanova1/2-1/2Italian GameEU-ch Rapid w
Jan 2024Alexandra KosteniukAntoaneta Stefanova1/2-1/2Italian Gamech-EU Blitz w
Dec 2023Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Dutch DefenseWch Blitz w
Nov 2023Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Indian Defense24th chT-EU w
Jun 2022Alexandra KosteniukAntoaneta Stefanova0-1Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk0-1London SystemSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk0-1CatalanSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1-0Réti OpeningSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Italian GameSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1-0Trompowsky AttackSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1-0Queen's Pawn GameSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Italian GameSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1/2-1/2Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Queen's Indian DefenseSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1-0CatalanSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Indian DefenseSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1-0CatalanSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk0-1Trompowsky AttackSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Trompowsky AttackSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Italian Game: Classical VariationSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova0-1Italian Game: Scotch GambitSpeed Chess w
Jun 2022Antoaneta StefanovaAlexandra Kosteniuk0-1Queen's Indian DefenseSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Ruy Lopez: Steinitz Defense DeferredSpeed Chess w
Jun 2022Alexandra KosteniukAntoaneta Stefanova1-0Danish GambitSpeed Chess w
Dec 2021Antoaneta StefanovaAlexandra Kosteniuk1/2-1/2Queen's Pawn GameXian World Summit w
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Frequently asked questions

What is the head-to-head score between Antoaneta Stefanova and Alexandra Kosteniuk?

In 89 recorded games, Antoaneta Stefanova has 24 wins, Alexandra Kosteniuk has 34 wins, and they have drawn 31 times.

How many times have Antoaneta Stefanova and Alexandra Kosteniuk played each other?

Our database records 89 games between them, from Mar 2004 to Jan 2026.

What openings do Antoaneta Stefanova and Alexandra Kosteniuk play against each other?

The most common opening in their games is the Ruy Lopez: Steinitz Defense Deferred (4 games), followed by the Réti Opening (4). The full opening breakdown and every game are on this page.