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Player:  Jacob Reiffers  Age: 83 KNDB-rating on 1-7-2023: 991 Highest KNDB-rating ever: 1060 Average KNDB-rating all time: 1023  Virtual KNDB-rating : 966 Strongest win in last 10 years by Jacob Reiffers (1013): 12-03-2016 Brion Koullen (1278) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Jacob Reiffers (991): 17-02-2024 Wout Foppen (788) (Dutch Teamcompetition KNDB) FMJD-rating: 1952 Highest FMJD-rating ever: 2287 Average FMJD-rating all time: 2055 (Graphics FMJD-rating in period KNDB-rating)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Bernard Renting	891	1	-	0	100	0.64	1.27
sa 23-09-2023	Dutch Teamcompetition KNDB	Josef Zhang	652	1	-	2	339	0.88	1.76
sa 14-10-2023	Dutch Teamcompetition KNDB	André van Steenbergen	694	1	-	1	297	0.85	1.7
sa 04-11-2023	Dutch Teamcompetition KNDB	Cees van Drumpt	862	1	-	1	129	0.67	1.35
sa 18-11-2023	Dutch Teamcompetition KNDB	Frits Gerritsen	1007	1	-	1	-16	0.48	0.96
sa 02-12-2023	Dutch Teamcompetition KNDB	Jacco Keizer	947	1	-	0	44	0.56	1.12
sa 06-01-2024	Dutch Teamcompetition KNDB	Arend Boertje	830	1	-	2	161	0.71	1.43
sa 20-01-2024	Dutch Teamcompetition KNDB	Jan de Vos	989	1	-	1	2	0.5	1.01
sa 03-02-2024	Dutch Teamcompetition KNDB	Jan de Vos	989	1	-	1	2	0.5	1.01
sa 17-02-2024	Dutch Teamcompetition KNDB	Wout Foppen	788	1	-	0	203	0.76	1.52
sa 02-03-2024	Dutch Teamcompetition KNDB	Hein van Dee	1052	1	-	0	-61	0.42	0.83
		Total:		11	-	9			13.96
		Correctionfactor:		5	(317 g.)
		Calculation:		9	-	13.96 x		5=	-24.79
		Virtual rating:							966
		Aver.rating:	882	Perc.:			0.41	Diff.:	-66
		TPR:	882	+	-66				816