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Player:  Jan Colenbrander  Age: 71 KNDB-rating on 1-7-2023: 832 Highest KNDB-rating ever: 868 Average KNDB-rating all time: 814  Virtual KNDB-rating : 830 Strongest win in last 10 years by Jan Colenbrander (830): 04-04-2022 Henk Groen (1085) (Provincial Teamcompetition Gelderland) Weakest loss in last 10 years by Jan Colenbrander (845): 25-09-2017 Hennie Bruggink (813) (Provincial Teamcompetition Gelderland)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 23-10-2023	Provincial Teamcompetition Gelderland	Chris Grevers	1084	1	-	2	-252	0.19	0.38
mo 06-11-2023	Provincial Teamcompetition Gelderland	Tom Westhof	1056	1	-	1	-224	0.22	0.43
th 23-11-2023	Provincial Teamcompetition Gelderland	Rob Kampman	988	1	-	0	-156	0.29	0.59
mo 11-12-2023	Provincial Teamcompetition Gelderland	Gerard Korten	1061	1	-	0	-229	0.21	0.42
we 10-01-2024	Provincial Teamcompetition Gelderland	Frank ten Hagen	1065	1	-	0	-233	0.21	0.41
tu 16-01-2024	Provincial Teamcompetition Gelderland	Henk Straalman	670	1	-	1	162	0.71	1.43
th 01-02-2024	Provincial Teamcompetition Gelderland	Bernard Renting	891	1	-	0	-59	0.42	0.84
		Total:		7	-	4			4.5
		Correctionfactor:		5	(177 g.)
		Calculation:		4	-	4.5 x		5=	-2.50
		Virtual rating:							830
		Aver.rating:	974	Perc.:			0.29	Diff.:	-162
		TPR: