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Player:  Cees de Vries  Age: 60 KNDB-rating on 1-7-2023: 836 Highest KNDB-rating ever: 870 Average KNDB-rating all time: 831  Virtual KNDB-rating : 836 Strongest win in last 10 years by Cees de Vries (820): 25-01-2016 Joop Kwakernaak (1065) (Cupcompetition Z-Holland Zuid) Weakest loss in last 10 years by Cees de Vries (850): 09-01-2018 Jimmy Boedhoe (877) (Cupcompetition Z-Holland Zuid)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
tu 19-09-2023	Provincial Teamcompetition Z-Holland Zuid	Adrie Roest	1006	1	-	0	-170	0.28	0.55
mo 02-10-2023	Provincial Teamcompetition Z-Holland Zuid	Ad de Hek	1131	1	-	0	-295	0.15	0.3
mo 04-12-2023	Provincial Teamcompetition Z-Holland Zuid	Jan Pellekaan	872	1	-	2	-36	0.45	0.9
tu 09-01-2024	Cupcompetition Z-Holland Zuid	Arie Maaten	736	1	-	1	100	0.64	1.27
		Total:		4	-	3			3.03
		Correctionfactor:		5	(144 g.)
		Calculation:		3	-	3.03 x		5=	-0.13
		Virtual rating:							836
		Aver.rating:	936	Perc.:			0.38	Diff.:	-91
		TPR: