Credit: Yunfan ZhaoGM Kosteniuk, Alexandra
| Federation |  Switzerland |
|---|---|
| FIDE profile | 4128125 |
| Age | 42 |
Recent tournaments
Capechecs 2026 | Défi Sebag-Kosteniuk
Marie SebagAlexandra Kosteniuk
Swiss National League A 2026 (SMM NLA)
46th FIDE Chess Olympiad Samarkand 2026 | Women | Matches 1-25
CaruanaSindarovSoKeymerAbdusattorovPraggnanandhaa
Tech Mahindra Global Chess League 2026 | Preliminary Stage
2026 Cairns Cup
YipHumpyTanMuzychukAssaubayevaDivyaKosteniukTsolakidouVaishaliLee
59th Biel International Chess Festival 2026 | Triathlon | GenChall Blitz
KosteniukRameshbabuYipXiaoFinekMateria59th Biel International Chess Festival 2026 | Triathlon | GenChall Qualifier
KosteniukRameshbabuYipXiaoFinekMateria59th Biel International Chess Festival 2026 | Triathlon | GenChall Rapid
KosteniukRameshbabuYipXiaoFinekMateria59th Biel International Chess Festival 2026 | ACCENTUS Chess960 Masters
AronianLeErdogmusBluebaumSuleymanliAlcantara59th Biel International Chess Festival 2026 | ACCENTUS Chess960 GenChall
KosteniukRameshbabuYipXiaoFinekMateria
Finales Nationales 2026 - Top 12 Féminin
KosteniukOsmakBatsiashviliCramling
FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Knockout
FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool A
FIDE World Team Rapid & Blitz Chess Championships 2026 | Rapid | Matches 1-10
FIDE World Team Rapid & Blitz Chess Championships 2026 | Rapid | Matches 11+
2026 ASEAN E-Sports Chess Cup | Group D
CarlsenCaruanaLeEsipenko
WR Women's Chess Tour 2026 Asia | Blitz
LagnoVaishaliKosteniukNurmanA SargsyanWR Women's Chess Tour 2026 Asia | Rapid
LagnoVaishaliKosteniukNurmanA Sargsyan
French Women TOP 12 2026
BatsiashviliKosteniukKashlinskayaOsmak
Luc Winants Memorial Rapid Chess Tournament 2026
Austrian Women's Bundesliga 2025/26
MuzychukDanielianWagnerMaltsevskayaRoebers
Grenke Chess Festival 2026 | Freestyle Open A
CarlsenAbdusattorovKeymerAronianNepomniachtchiDuda
2026 Chess.com Open | Play-In 4