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Player:  Sieds Tjepkema  KNDB-rating on 1-7-2024: 936 Highest KNDB-rating ever: 1127 Average KNDB-rating all time: 986  Virtual KNDB-rating : 0 Strongest win in last 10 years by Sieds Tjepkema (944): 10-01-2017 Durk Douma (1024) (Provincial Teamcompetition Friesland) Weakest loss in last 10 years by Sieds Tjepkema (942): 07-03-2019 Johan Haag (732) (Provincial Teamcompetition Friesland)  Highest Historical Toernooibaserating on 01-01-1990:  1275 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: