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Player: Piet Rozenboom Age: 85
KNDB-rating on 1-7-2023: 1027
Highest KNDB-rating ever: 1081
Average KNDB-rating all time: 1029
Virtual KNDB-rating : 1020 Toernooibase Dammen

Strongest win in last 10 years by
Piet Rozenboom (955):
15-07-2015 Paul Teer (1177)
(Heerhugowaard Dutch Open KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Piet Rozenboom (1045):
11-08-2016 Gijs Mouthaan (508)
(Brunssum Open Limburg)

FMJD-rating: 1981
Highest FMJD-rating ever: 2011
Average FMJD-rating all time: 1964
_{(Graphics FMJD-rating in period
KNDB-rating)}

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
su 16-07-2023	WorldCup *** RotterDamsOpen	Jos Stokkel	1368	1	-	0	-341	0.12	0.23
mo 17-07-2023	WorldCup *** RotterDamsOpen	Robert van Diggele	830	1	-	2	197	0.75	1.51
mo 17-07-2023	WorldCup *** RotterDamsOpen	Hans de Knikker	1111	1	-	1	-84	0.38	0.77
tu 18-07-2023	WorldCup *** RotterDamsOpen	Juan Camelia	1220	1	-	0	-193	0.25	0.5
we 19-07-2023	WorldCup *** RotterDamsOpen	Bonne Douma	1023	1	-	1	4	0.51	1.01
th 20-07-2023	WorldCup *** RotterDamsOpen	Indy Schouten	522	1	-	2	505	0.96	1.92
fr 21-07-2023	WorldCup *** RotterDamsOpen	Hans Tangelder	1110	1	-	1	-83	0.39	0.77
sa 22-07-2023	WorldCup *** RotterDamsOpen	Gerard Peroti	948	1	-	0	79	0.61	1.22
sa 09-09-2023	Dutch Teamcompetition KNDB	Joep Kerkhoff	641	1	-	2	386	0.91	1.82
sa 23-09-2023	Dutch Teamcompetition KNDB	Jaap Vermeer	701	1	-	1	326	0.87	1.75
sa 14-10-2023	Dutch Teamcompetition KNDB	Jan Hania	1024	1	-	1	3	0.5	1.01
sa 18-11-2023	Dutch Teamcompetition KNDB	Gerard van Velzen	1000	1	-	0	27	0.54	1.08
sa 02-12-2023	Dutch Teamcompetition KNDB	Maaike de Bruin	776	1	-	2	251	0.81	1.62
sa 06-01-2024	Dutch Teamcompetition KNDB	Nerin Bisseswar	768	1	-	2	259	0.82	1.64
sa 20-01-2024	Dutch Teamcompetition KNDB	Pepijn van Merkerk	549	1	-	2	478	0.95	1.91
sa 17-02-2024	Dutch Teamcompetition KNDB	Wilco Stam	879	1	-	2	148	0.7	1.4
sa 02-03-2024	Dutch Teamcompetition KNDB	Frans Elzenga	924	1	-	1	103	0.64	1.28
		Total:		17	-	20			21.42
		Correctionfactor:		5	(1299 g.)
		Calculation:		20	-	21.42 x		5=	-7.12
		Virtual rating:							1020
		Aver.rating:	906	Perc.:			0.59	Diff.:	64
		TPR:	906	+	64				970