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Player:  Jack Derksen  Age: 68 KNDB-rating on 1-7-2023: 805 Highest KNDB-rating ever: 805 Average KNDB-rating all time: 809  Virtual KNDB-rating : 812 Weakest loss in last 10 years by Jack Derksen (805): 14-11-2023 Fré Vanderfeesten (907) (Provincial Teamcompetition Noord-Brabant)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
fr 27-10-2023	Provincial Teamcompetition Noord-Brabant	Herman Lamberts	829	1	-	1	-17	0.48	0.95
tu 14-11-2023	Provincial Teamcompetition Noord-Brabant	Fré Vanderfeesten	907	1	-	0	-95	0.37	0.74
sa 18-11-2023	Dutch Teamcompetition KNDB	Theo van den Hoek	1190	1	-	0	-378	0.09	0.19
sa 06-01-2024	Dutch Teamcompetition KNDB	Henk Kleinrensink	1150	1	-	1	-338	0.12	0.24
sa 20-01-2024	Dutch Teamcompetition KNDB	Arno Bloks	1022	1	-	0	-210	0.23	0.46
fr 26-01-2024	Provincial Teamcompetition Noord-Brabant	Simon Rompa	879	1	-	1	-67	0.41	0.81
fr 01-03-2024	Provincial Teamcompetition Noord-Brabant	Jeffrey Pals	830	1	-	1	-18	0.47	0.95
sa 02-03-2024	Dutch Teamcompetition KNDB	Peter Kolkman	994	1	-	1	-182	0.26	0.52
th 21-03-2024	Provincial Teamcompetition Noord-Brabant	Geert Hendricks	664	1	-	1	148	0.7	1.4
		Total:		9	-	6			6.26
		Correctionfactor:		7.5	(16 g.)
		Calculation:
		Tot. aver. o-rating (incl. earl. seas.):					927	Perc.:	0.34
		Tot. points (incl. earl. seas.):				16	- 11	Diff.:	-115
		Virtual rating:	927	+	-115				812
		Aver.rating:	941	Perc.:			0.33	Diff.:	-123
		TPR: