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Player:  Sjoerd Koopman  Age: 68 KNDB-rating on 1-7-2024: 1248 Highest KNDB-rating ever: 1338 Average KNDB-rating all time: 1287  Virtual KNDB-rating : 0 Strongest win in last 10 years by Sjoerd Koopman (1256): 23-11-2019 Frits Zegelink (1223) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Sjoerd Koopman (1256): 18-01-2020 Hans van den Heuvel (1149) (Dutch Teamcompetition KNDB) FMJD-rating: 2152 Highest FMJD-rating ever: 2239 Average FMJD-rating all time: 2190 (Graphics FMJD-rating in period KNDB-rating)  Highest Historical Toernooibaserating on 01-01-1988:  1303 D

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
		Correctionfactor:		7.5	( g.)
		Calculation:			-	0 x		7.5=	0
		Virtual rating:							0
		Aver.rating:	0	Perc.:			0.5	Diff.:	0
		TPR: