CK
FM Calvin John Klaasen
FIDE 14300133 ↗·Born 1987
Active-player world ranks · Official FIDE July 2026 lists
Recent Tournaments
Result from Calvin John Klaasen's perspective
Opening Repertoire
All colors · ChessEver game database
A04E10D02E06D11B23D35A05
Reti opening
W 2D 5L 29 games
50%
score
Queen's pawn game
W 3D 0L 47 games
43%
score
Queen's pawn game
W 2D 2L 26 games
50%
score
Catalan
W 1D 3L 26 games
42%
score
QGD Slav
W 2D 2L 15 games
60%
score
Sicilian
W 4D 0L 04 games
100%
score
QGD
W 2D 2L 04 games
75%
score
Reti opening
W 1D 1L 24 games
38%
score
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