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Player:  Cees de Jong  Age: 87 KNDB-rating on 1-7-2023: 795 Highest KNDB-rating ever: 920 Average KNDB-rating all time: 840  Virtual KNDB-rating : 790 Strongest win in last 10 years by Cees de Jong (819): 11-12-2018 Dirk Kwakernaak (970) (Provincial Teamcompetition Z-Holland Zuid) Weakest loss in last 10 years by Cees de Jong (817): 29-02-2020 Sasha Chumachenko (617) (Dutch Teamcompetition KNDB)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
tu 03-10-2023	Provincial Teamcompetition Z-Holland Zuid	Willem Plaats	718	1	-	1	77	0.61	1.21
tu 21-11-2023	Provincial Teamcompetition Z-Holland Zuid	Kees Scheer	882	1	-	0	-87	0.38	0.76
tu 09-01-2024	Cupcompetition Z-Holland Zuid	Anton Kosior	1270	1	-	0	-475	0.05	0.1
tu 30-01-2024	Provincial Teamcompetition Z-Holland Zuid	Gert-Jan van Herwaarden	966	1	-	1	-171	0.27	0.55
tu 07-05-2024	Provincial Teamcompetition Z-Holland Zuid	Thijs Schakel	676	1	-	1	119	0.66	1.32
		Total:		5	-	3			3.94
		Correctionfactor:		5	(165 g.)
		Calculation:		3	-	3.94 x		5=	-4.71
		Virtual rating:							790
		Aver.rating:	902	Perc.:			0.3	Diff.:	-150
		TPR: