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Player:  Sjouke Zijlstra  Age: 74 KNDB-rating on 1-7-2024: 759 Highest KNDB-rating ever: 786 Average KNDB-rating all time: 764  Virtual KNDB-rating : 767 Strongest win in last 10 years by Sjouke Zijlstra (730): 25-01-2017 Klaas Koopman (929) (FK 50 - 65 plus DCH Heerenveen - Mildam) Weakest loss in last 10 years by Sjouke Zijlstra (786): 03-05-2016 Jan Hiemstra (594) (Summertournament Friesland) FMJD-rating: 1772 Highest FMJD-rating ever: 1788 Average FMJD-rating all time: 1771 (Graphics FMJD-rating in period KNDB-rating)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
tu 07-05-2024	Summer Fryslan Friesland	Jan Sikkens	799	1	-	1	-40	0.44	0.89
mo 13-05-2024	Summer Fryslan Friesland	Sietse Bouma	839	1	-	1	-80	0.39	0.78
tu 21-05-2024	Summer Fryslan Friesland	Jan Hiemstra	628	1	-	2	131	0.68	1.35
mo 27-05-2024	Summer Fryslan Friesland	Wijtze van der Meulen	735	1	-	2	24	0.53	1.07
tu 04-06-2024	Summer Fryslan Friesland	Piet Wiersma	861	1	-	1	-102	0.36	0.72
mo 10-06-2024	Summer Fryslan Friesland	Willem Lep	820	1	-	1	-61	0.42	0.83
tu 18-06-2024	Summer Fryslan Friesland	Marcel Zwiers	751	1	-	0	8	0.51	1.02
mo 24-06-2024	Summer Fryslan Friesland	Jan Kunnen	769	1	-	1	-10	0.49	0.97
mo 15-07-2024	Summer Fryslan Friesland	Geert Rozenberg	851	1	-	1	-92	0.37	0.75
		Total:		9	-	10			8.38
		Correctionfactor:		5	(294 g.)
		Calculation:		10	-	8.38 x		5=	8.09
		Virtual rating:							767
		Aver.rating:	784	Perc.:			0.56	Diff.:	40
		TPR: