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Player:  Jan Kerkhofs  Age: 80 KNDB-rating on 1-7-2023: 914 Highest KNDB-rating ever: 1056 Average KNDB-rating all time: 971  Virtual KNDB-rating : 917 Strongest win in last 10 years by Jan Kerkhofs (985): 19-01-2019 Arie de Bruijn (1229) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Jan Kerkhofs (947): 07-08-2021 Gregory de Vries (565) (Brunssum Open Limburg) FMJD-rating: 1885 Highest FMJD-rating ever: 1965 Average FMJD-rating all time: 1923 (Graphics FMJD-rating in period KNDB-rating)  Highest Historical Toernooibaserating on 01-01-1977:  1216 D

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Paul van der Lem	1176	1	-	1	-262	0.18	0.36
sa 18-11-2023	Dutch Teamcompetition KNDB	Fred Roedolph	1158	1	-	0	-244	0.2	0.39
sa 17-02-2024	Dutch Teamcompetition KNDB	Steven den Hollander	1285	1	-	0	-371	0.1	0.19
mo 20-05-2024	Salou Open Buitenland	Harry Velraeds	1106	1	-	0	-192	0.25	0.5
tu 21-05-2024	Salou Open Buitenland	Raphaël Martens	1111	1	-	1	-197	0.25	0.49
we 22-05-2024	Salou Open Buitenland	Bert Habets	1128	1	-	1	-214	0.23	0.45
		Total:		6	-	3			2.39
		Correctionfactor:		5	(429 g.)
		Calculation:		3	-	2.39 x		5=	3.04
		Virtual rating:							917
		Aver.rating:	1161	Perc.:			0.25	Diff.:	-193
		TPR: