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Player:  Tonnie Keijzer  Age: 71 KNDB-rating on 1-7-2023: 965 Highest KNDB-rating ever: 1028 Average KNDB-rating all time: 967  Virtual KNDB-rating : 963 Strongest win in last 10 years by Tonnie Keijzer (1013): 20-01-2018 Gino Schirinzi (1159) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Tonnie Keijzer (982): 22-11-2022 Alberto Waterink (865) (Provincial Teamcompetition Overijssel)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Erik Oonk	920	1	-	0	45	0.56	1.13
tu 14-11-2023	Provincial Teamcompetition Overijssel	Koert Meuleman	861	1	-	1	104	0.64	1.28
mo 22-01-2024	Provincial Teamcompetition Overijssel	Jan Bargmann	852	1	-	2	113	0.65	1.31
fr 22-03-2024	Provincial Teamcompetition Overijssel	Gerard Peters	659	1	-	2	306	0.86	1.72
		Total:		4	-	5			5.43
		Correctionfactor:		5	(148 g.)
		Calculation:		5	-	5.43 x		5=	-2.16
		Virtual rating:							963
		Aver.rating:	823	Perc.:			0.63	Diff.:	91
		TPR: