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Player:  Gerrit van der Kolk  KNDB-rating on 1-7-2023: 839 Highest KNDB-rating ever: 884 Average KNDB-rating all time: 844  Virtual KNDB-rating : 825 Strongest win in last 10 years by Gerrit van der Kolk (833): 14-10-2019 Jan Meester (972) (Provincial Teamcompetition Overijssel) Weakest loss in last 10 years by Gerrit van der Kolk (839): 22-01-2024 A. van der Scheer (718) (Provincial Teamcompetition Overijssel)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 20-11-2023	Provincial Teamcompetition Overijssel	Henk Mostert Jzn	832	1	-	0	7	0.51	1.02
mo 11-12-2023	Provincial Teamcompetition Overijssel	Klaas Wobben	780	1	-	1	59	0.58	1.16
mo 22-01-2024	Provincial Teamcompetition Overijssel	A. van der Scheer	718	1	-	0	121	0.66	1.33
th 21-03-2024	Provincial Teamcompetition Overijssel	Aart Hanekamp	705	1	-	2	134	0.68	1.36
		Total:		4	-	3			4.87
		Correctionfactor:		7.5	(28 g.)
		Calculation:		3	-	4.87 x		7.5=	-14.04
		Virtual rating:							825
		Aver.rating:	759	Perc.:			0.38	Diff.:	-91
		TPR: