Toernooibase Dammen

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Player: Marten Zijlstra Age: 64
KNDB-rating on 1-7-2023: 961
Highest KNDB-rating ever: 1068
Average KNDB-rating all time: 980
Virtual KNDB-rating : 940 Toernooibase Dammen

Strongest win in last 10 years by
Marten Zijlstra (974):
05-02-2019 Jacob de Vries (1192)
(Provincial Teamcompetition Friesland)
Toernooibase Dammen Weakest loss in last 10 years by
Marten Zijlstra (987):
12-12-2015 Elisabeth Kramer (593)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1889
Highest FMJD-rating ever: 1872
Average FMJD-rating all time: 1861
_{(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	Tom Westhof	1056	1	-	1	-95	0.37	0.74
sa 23-09-2023	Dutch Teamcompetition KNDB	Jan van Buiten	1070	1	-	1	-109	0.35	0.7
sa 14-10-2023	Dutch Teamcompetition KNDB	Bert Foppen	1097	1	-	1	-136	0.32	0.63
sa 04-11-2023	Dutch Teamcompetition KNDB	Gerrit Roeterdink	855	1	-	1	106	0.64	1.29
fr 10-11-2023	Provincial Teamcompetition Friesland	Klaas Herder	897	1	-	2	64	0.59	1.18
sa 18-11-2023	Dutch Teamcompetition KNDB	Jan Huisjes	895	1	-	1	66	0.59	1.18
tu 21-11-2023	Provincial Teamcompetition Friesland	Teunis Snoek	1058	1	-	0	-97	0.37	0.73
sa 02-12-2023	Dutch Teamcompetition KNDB	Siebe Kortleven	917	1	-	0	44	0.56	1.12
tu 12-12-2023	Provincial Teamcompetition Friesland	Erik Zomer	819	1	-	0	142	0.69	1.38
sa 06-01-2024	Dutch Teamcompetition KNDB	Frans Lamers	932	1	-	0	29	0.54	1.08
tu 09-01-2024	Provincial Teamcompetition Friesland	Douwe Douma	939	1	-	1	22	0.53	1.06
th 11-01-2024	Provincial Teamcompetition Friesland	Anne Piet Kooistra	1277	1	-	0	-316	0.13	0.27
sa 20-01-2024	Dutch Teamcompetition KNDB	Jos Lamers	921	1	-	1	40	0.56	1.11
th 01-02-2024	Provincial Teamcompetition Friesland	Taeke Kooistra	1244	1	-	0	-283	0.16	0.32
sa 03-02-2024	Dutch Teamcompetition KNDB	Maikel Schotman	880	1	-	1	81	0.61	1.22
tu 06-02-2024	Provincial Teamcompetition Friesland	Hans Poepjes	1024	1	-	1	-63	0.41	0.83
fr 16-02-2024	Provincial Cupcompetition Friesland	Durk de Vries	1058	1	-	0	-97	0.37	0.73
sa 17-02-2024	Dutch Teamcompetition KNDB	Gerhard Dunning	784	1	-	2	177	0.73	1.46
th 29-02-2024	Provincial Teamcompetition Friesland	Johannes van der Goot	998	1	-	1	-37	0.45	0.9
sa 02-03-2024	Dutch Teamcompetition KNDB	Gerrit Schutmaat	874	1	-	1	87	0.62	1.24
		Total:		20	-	15			19.19
		Correctionfactor:		5	(444 g.)
		Calculation:		15	-	19.19 x		5=	-20.95
		Virtual rating:							940
		Aver.rating:	980	Perc.:			0.38	Diff.:	-91
		TPR:	980	+	-91				889