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Live classical, rapid & blitz ratings for every active FIDE-rated player worldwide. Search, compare, and explore national standings.
595K+
Players Indexed
180+
Countries
12K+
Titled Players
Monthly
Updated
Classical Rating
1995
Period: 2026-07
1995
Peak: 1995
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Peak: —
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Peak: —
Milestone Tracks
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Federation
NED
Active Status
Active
FIDE Title
None
Birth Year
1959
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Koster, age 67 has played 2 rated periods with a classical range of 1995–1995. Their rating is holding steady (0 net over the full period). Currently at their peak rating of 1995. Rating volatility is very stable (avg 0 pts/month).
➡️ Stable
1995
0
Very stable (0/mo)
Computed from Koster's FIDE rating history. Updated monthly.