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Player:  Sjoerd Schaaf  Age: 80 KNDB-rating on 1-7-2023: 784 Highest KNDB-rating ever: 981 Average KNDB-rating all time: 874  Virtual KNDB-rating : 797 Strongest win in last 10 years by Sjoerd Schaaf (856): 08-11-2018 Juriaan Romkes (1021) (Provincial Teamcompetition Friesland) Weakest loss in last 10 years by Sjoerd Schaaf (836): 07-10-2019 Jorn Kruit (674) (Provincial Teamcompetition Friesland) FMJD-rating: 1919 Highest FMJD-rating ever: 1919 Average FMJD-rating all time: 1890 (Graphics FMJD-rating in period KNDB-rating)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
th 28-09-2023	Provincial Championship  Friesland	Bram Scholma	912	1	-	2	-128	0.33	0.65
sa 30-09-2023	Provincial Championship  Friesland	Joeri Beke	777	1	-	1	7	0.51	1.02
sa 14-10-2023	Dutch Teamcompetition KNDB	Jan Starke	871	1	-	1	-87	0.38	0.76
sa 21-10-2023	Provincial Championship  Friesland	Willem Lep	816	1	-	1	-32	0.46	0.91
sa 28-10-2023	Provincial Championship  Friesland	Fedde van der Laan	758	1	-	2	26	0.54	1.07
sa 04-11-2023	Dutch Teamcompetition KNDB	Ben Haan	1004	1	-	0	-220	0.22	0.44
sa 18-11-2023	Dutch Teamcompetition KNDB	Anna Bakker	567	1	-	1	217	0.78	1.55
sa 02-12-2023	Dutch Teamcompetition KNDB	Lucas Huitema	872	1	-	1	-88	0.38	0.76
sa 06-01-2024	Dutch Teamcompetition KNDB	Bob van der Mark	937	1	-	0	-153	0.3	0.59
sa 02-03-2024	Dutch Teamcompetition KNDB	Geert Greven	901	1	-	2	-117	0.34	0.68
		Total:		10	-	11			8.44
		Correctionfactor:		5	(402 g.)
		Calculation:		11	-	8.44 x		5=	12.78
		Virtual rating:							797
		Aver.rating:	842	Perc.:			0.55	Diff.:	35
		TPR:	842	+	35				877