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Player:  Heddy Andringa  KNDB-rating on 1-7-2023: 894 Highest KNDB-rating ever: 910 Average KNDB-rating all time: 889  Virtual KNDB-rating : 900 Strongest win in last 10 years by Heddy Andringa (862): 24-11-2017 Bé Hensen (861) (Provincial Teamcompetition Friesland) Weakest loss in last 10 years by Heddy Andringa (910): 18-10-2019 Bé Hensen (863) (Provincial Teamcompetition Friesland)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
fr 10-11-2023	Provincial Teamcompetition Friesland	Riekele Veldstra	998	1	-	1	-104	0.36	0.72
th 23-11-2023	Provincial Teamcompetition Friesland	Erik Zomer	819	1	-	2	75	0.6	1.21
fr 08-12-2023	Provincial Teamcompetition Friesland	Theo Wolthers	877	1	-	1	17	0.52	1.05
mo 08-01-2024	Provincial Teamcompetition Friesland	Feike Muurling	879	1	-	1	15	0.52	1.04
fr 02-02-2024	Provincial Teamcompetition Friesland	Onno Reekers	806	1	-	1	88	0.62	1.24
		Total:		5	-	6			5.25
		Correctionfactor:		7.5	(42 g.)
		Calculation:		6	-	5.25 x		7.5=	5.59
		Virtual rating:							900
		Aver.rating:	876	Perc.:			0.6	Diff.:	72
		TPR: