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Player:  Piet Walraven  Age: 81 KNDB-rating on 1-7-2023: 764 Highest KNDB-rating ever: 857 Average KNDB-rating all time: 756  Virtual KNDB-rating : 755 Strongest win in last 10 years by Piet Walraven (753): 13-03-2023 Jan Koppejan (940) (Provincial Teamcompetition Zeeland) Weakest loss in last 10 years by Piet Walraven (764): 16-01-2024 Jaap Verstraate (727) (Provincial Cupcompetition Zeeland)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 27-11-2023	Provincial Teamcompetition Zeeland	Harrie Roodenburg	829	1	-	0	-65	0.41	0.82
tu 16-01-2024	Provincial Cupcompetition Zeeland	Jaap Verstraate	727	1	-	0	37	0.55	1.1
we 20-03-2024	Provincial Teamcompetition Zeeland	Leen van Schagen	807	1	-	1	-43	0.44	0.88
		Total:		3	-	1			2.8
		Correctionfactor:		5	(149 g.)
		Calculation:		1	-	2.8 x		5=	-9.02
		Virtual rating:							755
		Aver.rating:	788	Perc.:			0.17	Diff.:	-276
		TPR: