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Player:  Jan Kieftenbeld  Age: 77 KNDB-rating on 1-7-2023: 753 Highest KNDB-rating ever: 771 Average KNDB-rating all time: 732  Virtual KNDB-rating : 751 Strongest win in last 10 years by Jan Kieftenbeld (713): 26-01-2015 Erik van Wendel (974) (Provincial Teamcompetition Overijssel) Weakest loss in last 10 years by Jan Kieftenbeld (771): 23-12-2019 Marcel Bauwer (662) (Provincial Teamcompetition Overijssel)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 13-11-2023	Provincial Teamcompetition Overijssel	Cornelis Eilander	679	1	-	1	74	0.6	1.2
mo 18-12-2023	Provincial Teamcompetition Overijssel	Gerrit-Jan Klein Legtenberg	769	1	-	0	-16	0.48	0.96
tu 30-01-2024	Provincial Teamcompetition Overijssel	Hennie Jansen	762	1	-	1	-9	0.49	0.97
mo 26-02-2024	Provincial Teamcompetition Overijssel	Lauran Hazen	687	1	-	1	66	0.59	1.18
mo 18-03-2024	Provincial Teamcompetition Overijssel	Gerald Krol	794	1	-	2	-41	0.44	0.89
		Total:		5	-	5			5.2
		Correctionfactor:		7.5	(100 g.)
		Calculation:		5	-	5.2 x		7.5=	-1.52
		Virtual rating:							751
		Aver.rating:	738	Perc.:			0.5	Diff.:	0
		TPR: