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Player:  Jacob de Greef  Age: 45 KNDB-rating on 1-7-2023: 1142 Highest KNDB-rating ever: 1146 Average KNDB-rating all time: 1123  Virtual KNDB-rating : 1158 Strongest win in last 10 years by Jacob de Greef (1132): 02-10-2021 René Schaafsma (1163) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Jacob de Greef (1134): 24-01-2015 Wim Dekker (1092) (Dutch Teamcompetition KNDB)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 14-10-2023	Dutch Teamcompetition KNDB	Willem van Starkenburg	929	1	-	2	213	0.77	1.54
sa 04-11-2023	Dutch Teamcompetition KNDB	Evert Schuttert	883	1	-	2	259	0.82	1.64
sa 17-02-2024	Dutch Teamcompetition KNDB	Klaas Veldstra	1031	1	-	2	111	0.65	1.3
sa 02-03-2024	Dutch Teamcompetition KNDB	Henk Kamminga	998	1	-	2	144	0.69	1.39
		Total:		4	-	8			5.87
		Correctionfactor:		7.5	(107 g.)
		Calculation:		8	-	5.87 x		7.5=	15.99
		Virtual rating:							1158
		Aver.rating:	997	Perc.:			0.9	Diff.:	366
		TPR: