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Player:  Cees Groen  Age: 63 KNDB-rating on 1-7-2023: 949 Highest KNDB-rating ever: 1057 Average KNDB-rating all time: 1005  Virtual KNDB-rating : 954 Strongest win in last 10 years by Cees Groen (1009): 08-02-2018 Cor Langeveld (1096) (Provincial Teamcompetition Gelderland) Weakest loss in last 10 years by Cees Groen (1011): 13-10-2018 Marie Gabbert (737) (Dutch Teamcompetition KNDB) FMJD-rating: 1881 Highest FMJD-rating ever: 1922 Average FMJD-rating all time: 1885 (Graphics FMJD-rating in period KNDB-rating)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Marco van Bronswijk	1203	1	-	1	-254	0.19	0.37
sa 23-09-2023	Dutch Teamcompetition KNDB	Jan Rensink	940	1	-	2	9	0.51	1.03
sa 14-10-2023	Dutch Teamcompetition KNDB	Henk Pruim	911	1	-	2	38	0.55	1.11
sa 04-11-2023	Dutch Teamcompetition KNDB	Gert Brink	784	1	-	1	165	0.72	1.44
sa 18-11-2023	Dutch Teamcompetition KNDB	Anne Dekker	1034	1	-	1	-85	0.38	0.77
sa 02-12-2023	Dutch Teamcompetition KNDB	Anne Dekker	1034	1	-	0	-85	0.38	0.77
sa 06-01-2024	Dutch Teamcompetition KNDB	Erwin Heslinga	1291	1	-	1	-342	0.12	0.23
sa 20-01-2024	Dutch Teamcompetition KNDB	Alfred van Lenthe	1040	1	-	1	-91	0.38	0.75
sa 03-02-2024	Dutch Teamcompetition KNDB	Peter Kolkman	994	1	-	0	-45	0.44	0.87
sa 17-02-2024	Dutch Teamcompetition KNDB	Henk Mostert Azn	1096	1	-	1	-147	0.3	0.61
sa 02-03-2024	Dutch Teamcompetition KNDB	Thomas van Middendorp	906	1	-	0	43	0.56	1.12
		Total:		11	-	10			9.06
		Correctionfactor:		5	(262 g.)
		Calculation:		10	-	9.06 x		5=	4.71
		Virtual rating:							954
		Aver.rating:	1021	Perc.:			0.45	Diff.:	-32
		TPR:	1021	+	-32				989