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Player: Jan Groenendijk Age: 25
KNDB-rating on 1-7-2023: 1547
Highest KNDB-rating ever: 1559
Average KNDB-rating all time: 1421
Virtual KNDB-rating : 1586 Toernooibase Dammen

Strongest win in last 10 years by
Jan Groenendijk (1349):
13-08-2014 Auke Scholma (1463)
(MTB Open International Drenthe)
Toernooibase Dammen Weakest loss in last 10 years by
Jan Groenendijk (1527):
12-04-2019 Anton van Berkel (1402)
(Dutch Championship KNDB)

FMJD-rating: 2431
Highest FMJD-rating ever: 2431
Average FMJD-rating all time: 2260
_{(Graphics FMJD-rating in period
KNDB-rating)}

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
mo 03-07-2023	WorldCup *** Riga Open Letland	Danylo Sokolov	1215	1	-	2	332	0.88	1.75
tu 04-07-2023	WorldCup *** Riga Open Letland	Jan Groenendijk	1547	1	-	1	-25	0.47	0.93
we 05-07-2023	WorldCup *** Riga Open Letland	Jan Groenendijk	1547	1	-	0	-179	0.27	0.53
th 06-07-2023	WorldCup *** Riga Open Letland	Wouter Sipma	1524	1	-	1	23	0.53	1.06
th 06-07-2023	WorldCup *** Riga Open Letland	Jan Groenendijk	1547	1	-	1	-122	0.33	0.67
fr 07-07-2023	WorldCup *** Riga Open Letland	Aleksej Domchev	1463	1	-	2	84	0.62	1.23
sa 08-07-2023	WorldCup *** Riga Open Letland	Jan Groenendijk	1547	1	-	1	-39	0.45	0.89
su 16-07-2023	WorldCup *** RotterDamsOpen	Jan Groenendijk	1547	1	-	0	-471	0.05	0.1
mo 17-07-2023	WorldCup *** RotterDamsOpen	Parker Richardson	539	1	-	2	1008	1	2
tu 18-07-2023	WorldCup *** RotterDamsOpen	Jan Groenendijk	1547	1	-	1	-39	0.45	0.89
we 19-07-2023	WorldCup *** RotterDamsOpen	Jan Groenendijk	1547	1	-	0	-176	0.27	0.54
th 20-07-2023	WorldCup *** RotterDamsOpen	Simon Harmsma	1355	1	-	2	192	0.75	1.5
th 20-07-2023	WorldCup *** RotterDamsOpen	Jan Groenendijk	1547	1	-	0	-190	0.25	0.51
fr 21-07-2023	WorldCup *** RotterDamsOpen	Wouter Sipma	1524	1	-	2	23	0.53	1.06
sa 22-07-2023	WorldCup *** RotterDamsOpen	Jan Groenendijk	1547	1	-	1	-24	0.47	0.93
su 23-07-2023	Nijmegen Open Gelderland	Jan Groenendijk	1547	1	-	0	-406	0.08	0.16
mo 24-07-2023	Nijmegen Open Gelderland	Arnoud de Greef	1259	1	-	2	288	0.84	1.69
mo 24-07-2023	Nijmegen Open Gelderland	Jan Groenendijk	1547	1	-	1	-192	0.25	0.5
tu 25-07-2023	Nijmegen Open Gelderland	Theo Berends	1237	1	-	2	310	0.86	1.72
tu 25-07-2023	Nijmegen Open Gelderland	Jan Groenendijk	1547	1	-	0	-320	0.13	0.26
we 26-07-2023	Nijmegen Open Gelderland	Johan Krajenbrink	1482	1	-	1	65	0.59	1.18
th 27-07-2023	Nijmegen Open Gelderland	Jitse Slump	1522	1	-	1	25	0.53	1.07
th 27-07-2023	Nijmegen Open Gelderland	Jan Groenendijk	1547	1	-	1	-64	0.41	0.82
fr 28-07-2023	Nijmegen Open Gelderland	Jan Groenendijk	1547	1	-	0	-261	0.18	0.36
sa 29-07-2023	Nijmegen Open Gelderland	Wouter Sipma	1524	1	-	1	23	0.53	1.06
sa 09-09-2023	Dutch Teamcompetition KNDB	Jan Groenendijk	1547	1	-	0	-142	0.31	0.62
th 14-09-2023	Dutch Teamcompetition KNDB	Alexander Baliakin	1548	1	-	1	-1	0.5	1
sa 23-09-2023	Dutch Teamcompetition KNDB	Dinant Spieker	1301	1	-	2	246	0.81	1.61
th 28-09-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	1	-90	0.38	0.75
fr 29-09-2023	Worldchampionship Willemstad Buitenland	Hein Meijer	1433	1	-	1	114	0.66	1.31
fr 29-09-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	1	-25	0.47	0.93
sa 30-09-2023	Worldchampionship Willemstad Buitenland	NDiaga Samb	1448	1	-	1	99	0.64	1.27
su 01-10-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	0	-129	0.33	0.65
mo 02-10-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	1	-64	0.41	0.82
mo 02-10-2023	Worldchampionship Willemstad Buitenland	Kees Thijssen	1504	1	-	1	43	0.56	1.12
we 04-10-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	1	-23	0.47	0.94
th 05-10-2023	Worldchampionship Willemstad Buitenland	Martijn van IJzendoorn	1523	1	-	1	24	0.53	1.07
fr 06-10-2023	Worldchampionship Willemstad Buitenland	N`cho Joel Atse	1476	1	-	1	71	0.6	1.2
mo 09-10-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	0	-70	0.4	0.81
we 11-10-2023	Worldchampionship Willemstad Buitenland	Iurii Anikeev	1508	1	-	1	39	0.55	1.11
th 12-10-2023	Worldchampionship Willemstad Buitenland	Artem Ivanov	1494	1	-	1	53	0.57	1.15
fr 13-10-2023	Worldchampionship Willemstad Buitenland	Jan Groenendijk	1547	1	-	1	-27	0.46	0.92
sa 25-11-2023	Dutch Teamcompetition KNDB	Jan Groenendijk	1547	1	-	1	-23	0.47	0.94
sa 02-12-2023	Dutch Teamcompetition KNDB	Jan Groenendijk	1547	1	-	1	-237	0.2	0.41
th 14-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	1	-140	0.31	0.62
fr 15-12-2023	Dutch Championship KNDB	Jan van der Star	1309	1	-	2	238	0.8	1.6
fr 15-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	0	-114	0.34	0.69
sa 16-12-2023	Dutch Championship KNDB	Martijn van IJzendoorn	1523	1	-	1	24	0.53	1.07
sa 16-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	0	-123	0.33	0.67
mo 18-12-2023	Dutch Championship KNDB	Matheo Boxum	1298	1	-	2	249	0.81	1.62
mo 18-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	0	-23	0.47	0.94
tu 19-12-2023	Dutch Championship KNDB	Gerlof Kolk	1393	1	-	1	154	0.71	1.41
we 20-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	1	-25	0.47	0.93
th 21-12-2023	Dutch Championship KNDB	Alexander Baliakin	1548	1	-	1	-1	0.5	1
th 21-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	1	-133	0.32	0.64
fr 22-12-2023	Dutch Championship KNDB	Gabriël Heerema	1405	1	-	1	142	0.69	1.38
sa 23-12-2023	Dutch Championship KNDB	Jan Groenendijk	1547	1	-	0	-204	0.24	0.48
sa 06-01-2024	Dutch Teamcompetition KNDB	Mehmet Yöney	1213	1	-	2	334	0.88	1.76
sa 20-01-2024	Dutch Teamcompetition KNDB	Jan Groenendijk	1547	1	-	1	-143	0.31	0.62
sa 03-02-2024	Dutch Teamcompetition KNDB	Jan Algra	1261	1	-	2	286	0.84	1.68
sa 17-02-2024	Dutch Teamcompetition KNDB	Jan Groenendijk	1547	1	-	0	-253	0.19	0.38
sa 02-03-2024	Dutch Teamcompetition KNDB	Bas Messemaker	1421	1	-	2	126	0.67	1.34
fr 03-05-2024	WC Country Teams Buitenland	Jan Groenendijk	1547	1	-	0	-84	0.38	0.77
su 05-05-2024	WC Country Teams Buitenland	Jan Groenendijk	1547	1	-	0	-411	0.08	0.15
mo 06-05-2024	WC Country Teams Buitenland	Jan Groenendijk	1547	1	-	1	-122	0.33	0.67
mo 03-06-2024	European Championship Chianciano Terme Buitenland	Alexander Shvartsman	1564	1	-	1	-17	0.48	0.95
tu 04-06-2024	European Championship Chianciano Terme Buitenland	Artem Ivanov	1494	1	-	2	53	0.57	1.15
tu 04-06-2024	European Championship Chianciano Terme Buitenland	Jan Groenendijk	1547	1	-	1	-278	0.17	0.33
we 05-06-2024	European Championship Chianciano Terme Buitenland	Emre Hageman	1290	1	-	2	257	0.82	1.63
th 06-06-2024	European Championship Chianciano Terme Buitenland	Jan Groenendijk	1547	1	-	1	-27	0.46	0.92
th 06-06-2024	European Championship Chianciano Terme Buitenland	Jitse Slump	1522	1	-	1	25	0.53	1.07
fr 07-06-2024	European Championship Chianciano Terme Buitenland	Jan Groenendijk	1547	1	-	0	-249	0.19	0.38
		Total:		72	-	105			96.75
		Correctionfactor:		5	(654 g.)
		Calculation:		105	-	96.75 x		5=	41.24
		Virtual rating:							1588
		Aver.rating:	1400	Perc.:			0.73	Diff.:	174
		TPR:	1400	+	174				1574