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Player:  Klaas Herder  Age: 69 KNDB-rating on 1-7-2024: 867 Highest KNDB-rating ever: 939 Average KNDB-rating all time: 905  Virtual KNDB-rating : 871 Strongest win in last 10 years by Klaas Herder (875): 11-02-2023 Gerrit Terpstra (1041) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Klaas Herder (897): 20-01-2024 Fedde van der Laan (758) (Dutch Teamcompetition KNDB) FMJD-rating: 1976 Highest FMJD-rating ever: 2021 Average FMJD-rating all time: 1999 (Graphics FMJD-rating in period KNDB-rating)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 13-05-2024	Summer Fryslan Friesland	Wim Riddersma	854	1	-	1	13	0.52	1.04
tu 21-05-2024	Summer Fryslan Friesland	Marcel Zwiers	751	1	-	2	116	0.66	1.32
mo 27-05-2024	Summer Fryslan Friesland	Geert Rozenberg	851	1	-	2	16	0.52	1.04
tu 04-06-2024	Summer Fryslan Friesland	Tabe de Vries	821	1	-	1	46	0.56	1.13
mo 24-06-2024	Summer Fryslan Friesland	Harm Terpstra	954	1	-	1	-87	0.38	0.76
mo 01-07-2024	Summer Fryslan Friesland	Jorn Kruit	911	1	-	0	-44	0.44	0.88
		Total:		6	-	7			6.16
		Correctionfactor:		5	(162 g.)
		Calculation:		7	-	6.16 x		5=	4.19
		Virtual rating:							871
		Aver.rating:	857	Perc.:			0.58	Diff.:	60
		TPR: