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Player:  Jan Zwaagstra  Age: 73 KNDB-rating on 1-7-2024: 793 Highest KNDB-rating ever: 926 Average KNDB-rating all time: 816  Virtual KNDB-rating : 0 Strongest win in last 10 years by Jan Zwaagstra (777): 26-03-2018 Joop de Graaf (861) (Provincial Teamcompetition Friesland) Weakest loss in last 10 years by Jan Zwaagstra (805): 13-03-2017 Bareld Bekkema (679) (Provincial Teamcompetition Friesland)

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: