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Player:  Jan Voortman  Age: 69 KNDB-rating on 1-7-2023: 739 Highest KNDB-rating ever: 746 Average KNDB-rating all time: 731  Virtual KNDB-rating : 735 Strongest win in last 10 years by Jan Voortman (716): 10-09-2020 Machiel Hoogendoorn (900) (Provincial Championship Z-Holland Zuid) Weakest loss in last 10 years by Jan Voortman (730): 09-11-2021 Corwin Vlot (790) (Provincial Teamcompetition Z-Holland Zuid)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
th 18-04-2024	Provincial Teamcompetition Z-Holland Zuid	Pepijn van Merkerk	549	1	-	1	190	0.75	1.49
		Total:		1	-	1			1.49
		Correctionfactor:		7.5	(42 g.)
		Calculation:		1	-	1.49 x		7.5=	-3.7
		Virtual rating:							735
		Aver.rating:	549	Perc.:			0.5	Diff.:	0
		TPR: