JS
IM Jan Sosna
FIDE 304379 ↗·Born 1960
Active-player world ranks · Official FIDE July 2026 lists
Opening Repertoire
All colors · ChessEver game database
D02D31A46A48C65D30C67D03
Queen's bishop game
W 13D 16L 1140 games
53%
score
QGD
W 7D 8L 722 games
50%
score
Queen's pawn
W 4D 8L 416 games
50%
score
King's Indian
W 7D 9L 521 games
55%
score
Ruy Lopez
W 2D 8L 515 games
40%
score
Queen's gambit declined
W 3D 6L 615 games
40%
score
Ruy Lopez
W 4D 9L 114 games
61%
score
D03
W 3D 2L 16 games
67%
score
Follow tournaments as they happen
Watch live games, discover upcoming events and revisit recent tournaments.
Explore live tournaments