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FK

Franzke Kalkman de Koster

FIDE 1025503 ↗·Born 1946

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Classical

World #128,488

1652

Blitz

World #48,872

1731

Active-player world ranks · Official FIDE July 2026 lists

Opening Repertoire

All colors · ChessEver game database

A60

Benoni defence

W 1D 0L 12 games

50%

score

D30

QGD

W 0D 0L 22 games

0%

score

D37

QGD

W 1D 1L 13 games

50%

score

A40

Modern defence

W 1D 0L 01 games

100%

score

A54

Old Indian

W 1D 0L 01 games

100%

score

B32

Sicilian defence

W 1D 0L 12 games

50%

score

D06

QGD

W 1D 0L 01 games

100%

score

D11

QGD Slav

W 1D 0L 01 games

100%

score

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