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Player:  Arie Otterspeer  Age: 59 KNDB-rating on 1-7-2023: 0 Highest KNDB-rating ever: 958 Average KNDB-rating all time: 933  Virtual KNDB-rating : 1046 Strongest win in last 10 years by Arie Otterspeer (950): 10-12-2014 Jack van der Plas (951) (Provincial Teamcompetition Zuid-Holland) Weakest loss in last 10 years by Arie Otterspeer (950): 30-09-2014 Gé Berbee (888) (Provincial Teamcompetition Zuid-Holland)

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
tu 19-09-2023	Provincial Teamcompetition Z-Holland Zuid	Gerrit de Jong	1071	1	-	1	-25	0.47	0.93
th 05-10-2023	Provincial Teamcompetition Z-Holland Zuid	Jeroen Schakel	1097	1	-	0	-51	0.43	0.86
tu 31-10-2023	Provincial Teamcompetition Z-Holland Zuid	Willem Plaats	718	1	-	2	328	0.87	1.75
mo 04-12-2023	Provincial Teamcompetition Z-Holland Zuid	Peter van Noordennen	1102	1	-	0	-56	0.42	0.84
tu 30-01-2024	Provincial Teamcompetition Z-Holland Zuid	Kees de Joode	929	1	-	1	117	0.66	1.32
tu 12-03-2024	Provincial Teamcompetition Z-Holland Zuid	Simon Rompa	879	1	-	2	167	0.72	1.44
tu 16-04-2024	Provincial Teamcompetition Z-Holland Zuid	Machiel Hoogendoorn	900	1	-	2	146	0.7	1.39
mo 06-05-2024	Provincial Teamcompetition Z-Holland Zuid	Nico Groenendijk	944	1	-	2	102	0.64	1.28
		Total:		8	-	10			9.81
		Correctionfactor:		7.5	(8 g.)
		Calculation:
		Tot. aver. o-rating (incl. earl. seas.):					955	Perc.:	0.63
		Tot. points (incl. earl. seas.):				8	- 10	Diff.:	91
		Virtual rating:	955	+	91				1046
		Aver.rating:	955	Perc.:			0.63	Diff.:	91
		TPR: