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Player:  Cees van Atten  Age: 91 KNDB-rating on 1-7-2023: 793 Highest KNDB-rating ever: 932 Average KNDB-rating all time: 850  Virtual KNDB-rating : 808 Strongest win in last 10 years by Cees van Atten (820): 25-10-2018 Harold Jagram (976) (Provincial Teamcompetition Zuid-Holland) Weakest loss in last 10 years by Cees van Atten (822): 26-02-2020 Maaike de Bruin (527) (Provincial Teamcompetition Zuid-Holland)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
we 20-09-2023	Provincial Teamcompetition Zuid-Holland	Jaap Vermeer	701	1	-	2	92	0.63	1.25
we 04-10-2023	Provincial Teamcompetition Zuid-Holland	Porter Richardson	657	1	-	2	136	0.68	1.37
we 18-10-2023	Provincial Teamcompetition Zuid-Holland	Maaike de Bruin	776	1	-	1	17	0.52	1.05
mo 23-10-2023	Provincial Teamcompetition Zuid-Holland	Andrys van der Wal	681	1	-	1	112	0.65	1.3
mo 27-11-2023	Provincial Teamcompetition Zuid-Holland	Ton van der Ende	842	1	-	1	-49	0.43	0.86
tu 23-01-2024	Provincial Teamcompetition Zuid-Holland	Co van Dam	756	1	-	2	37	0.55	1.1
th 01-02-2024	Provincial Teamcompetition Zuid-Holland	Jan Molhoek	876	1	-	1	-83	0.39	0.77
we 14-02-2024	Provincial Teamcompetition Zuid-Holland	Hanny de Vaal-Kokshoorn	643	1	-	0	150	0.7	1.4
fr 01-03-2024	Provincial Teamcompetition Zuid-Holland	Maaike de Bruin	776	1	-	2	17	0.52	1.05
we 13-03-2024	Provincial Teamcompetition Zuid-Holland	Ton van der Ende	842	1	-	2	-49	0.43	0.86
		Total:		10	-	14			11.02
		Correctionfactor:		5	(405 g.)
		Calculation:		14	-	11.02 x		5=	14.89
		Virtual rating:							808
		Aver.rating:	755	Perc.:			0.7	Diff.:	150
		TPR:	755	+	150				905