Toernooibase Dammen

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Player: Koos van Amerongen Age: 30
KNDB-rating on 1-7-2023: 1365
Highest KNDB-rating ever: 1365
Average KNDB-rating all time: 1226
Virtual KNDB-rating : 1374 Toernooibase Dammen

Strongest win in last 10 years by
Koos van Amerongen (1241):
28-11-2015 Jean Marc Ndjofang (1492)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Koos van Amerongen (1365):
17-02-2024 Douwe Hokwerda (1195)
(Dutch Teamcompetition KNDB)

FMJD-rating: 2217
Highest FMJD-rating ever: 2236
Average FMJD-rating all time: 2119
_{(Graphics FMJD-rating in period
KNDB-rating)}

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Nicole de Vries	1141	1	-	2	224	0.78	1.57
mo 11-09-2023	Provincial Teamcompetition Zuid-Holland	Erik Hoogendoorn	1282	1	-	1	83	0.61	1.23
sa 23-09-2023	Dutch Teamcompetition KNDB	Gerrit Wassink	1254	1	-	2	111	0.65	1.3
th 28-09-2023	Provincial Teamcompetition Zuid-Holland	Jochem Zweerink	1384	1	-	1	-19	0.47	0.95
th 12-10-2023	Provincial Teamcompetition Utrecht	Peter van Heun	1295	1	-	1	70	0.6	1.19
sa 14-10-2023	Dutch Teamcompetition KNDB	Jasper Lemmen	1447	1	-	1	-82	0.39	0.77
fr 20-10-2023	Provincial Teamcompetition Zuid-Holland	Thomas Wielaard	1269	1	-	1	96	0.63	1.26
tu 24-10-2023	Provincial Teamcompetition Utrecht	Arie van der Knaap	1096	1	-	2	269	0.83	1.65
mo 13-11-2023	Provincial Teamcompetition Utrecht	Auke Zijlstra	1152	1	-	1	213	0.77	1.54
sa 18-11-2023	Dutch Teamcompetition KNDB	Aleksej Domchev	1463	1	-	1	-98	0.37	0.73
tu 21-11-2023	Provincial Teamcompetition Zuid-Holland	Gerard de Groot	1266	1	-	2	99	0.64	1.27
sa 02-12-2023	Dutch Teamcompetition KNDB	Bert Aalberts	1352	1	-	1	13	0.52	1.04
mo 11-12-2023	Provincial Teamcompetition Utrecht	Ruud Klaarenbeek	1045	1	-	2	320	0.87	1.74
sa 06-01-2024	Dutch Teamcompetition KNDB	Guido van den Berg	1231	1	-	2	134	0.68	1.36
sa 20-01-2024	Dutch Teamcompetition KNDB	Rob Clerc	1501	1	-	0	-136	0.32	0.63
mo 22-01-2024	Provincial Teamcompetition Zuid-Holland	Harry Clasquin	1178	1	-	1	187	0.74	1.49
sa 03-02-2024	Dutch Teamcompetition KNDB	Luuk Terweijden	1343	1	-	1	22	0.53	1.06
th 08-02-2024	Provincial Teamcompetition Zuid-Holland	Richard Meijer	1303	1	-	2	62	0.59	1.17
sa 17-02-2024	Dutch Teamcompetition KNDB	Douwe Hokwerda	1195	1	-	0	170	0.72	1.45
fr 23-02-2024	Provincial Teamcompetition Zuid-Holland	Frits Luteijn	1336	1	-	2	29	0.54	1.08
sa 02-03-2024	Dutch Teamcompetition KNDB	Joost Hooijberg	1295	1	-	1	70	0.6	1.19
th 07-03-2024	Provincial Teamcompetition Zuid-Holland	Nizaam Muradin	1107	1	-	2	258	0.82	1.63
mo 18-03-2024	Provinciale Bekercompetitie Utrecht	Adri Butzelaar	824	1	-	2	541	0.97	1.94
		Total:		23	-	31			29.26
		Correctionfactor:		5	(406 g.)
		Calculation:		31	-	29.26 x		5=	8.69
		Virtual rating:							1374
		Aver.rating:	1250	Perc.:			0.67	Diff.:	129
		TPR:	1250	+	129				1379