Toernooibase Dammen

Toernooibase

HOME |

LAST IN DATABASE |

RATINGS |

TOURNAMENTS |

NEWS |

GAMES |

POSITIONS |

LINKS |

Player: Derk Jan de Groot Age: 69
KNDB-rating on 1-7-2023: 1138
Highest KNDB-rating ever: 1138
Average KNDB-rating all time: 1151
Virtual KNDB-rating : 1164 Toernooibase Dammen

Strongest win in last 10 years by
Derk Jan de Groot (1138):
08-01-2024 Frans Teijn (1098)
(Provincial Teamcompetition Zuid-Holland)
Toernooibase Dammen Weakest loss in last 10 years by
Derk Jan de Groot (1138):
18-11-2023 Marco de Leeuw (1192)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1986
Highest FMJD-rating ever: 0
Average FMJD-rating all time: 1949
_{(Graphics FMJD-rating in period
KNDB-rating)}

Highest Historical
Toernooibaserating on 01-01-1984: 1404 D

Date	Tournament	Opponent	Rat	Ga		Pt	R.diff.	N.perc	N.pts
sa 09-09-2023	Dutch Teamcompetition KNDB	Patrick Casaril	1220	1	-	1	-56	0.42	0.84
tu 12-09-2023	Provincial Teamcompetition Zuid-Holland	Harry Zandvliet	1037	1	-	2	127	0.67	1.34
sa 23-09-2023	Dutch Teamcompetition KNDB	Frank Teer	1309	1	-	0	-145	0.31	0.61
th 28-09-2023	Provincial Teamcompetition Zuid-Holland	Hans Kreder	1115	1	-	1	49	0.57	1.14
sa 14-10-2023	Dutch Teamcompetition KNDB	Radjes Balkaran	1245	1	-	1	-81	0.39	0.78
mo 16-10-2023	Provincial Teamcompetition Zuid-Holland	Frits Luteijn	1336	1	-	1	-172	0.27	0.55
sa 04-11-2023	Dutch Teamcompetition KNDB	Shammie Kasnadi	1276	1	-	0	-112	0.35	0.7
mo 06-11-2023	Provincial Teamcompetition Zuid-Holland	André Venema	1285	1	-	1	-121	0.34	0.67
sa 18-11-2023	Dutch Teamcompetition KNDB	Marco de Leeuw	1192	1	-	0	-28	0.46	0.92
mo 20-11-2023	Provincial Teamcompetition Zuid-Holland	Rinus Kromhout	1026	1	-	2	138	0.69	1.37
sa 06-01-2024	Dutch Teamcompetition KNDB	Fabian Snijder	1157	1	-	1	7	0.51	1.02
mo 08-01-2024	Provincial Teamcompetition Zuid-Holland	Frans Teijn	1098	1	-	2	66	0.59	1.18
sa 20-01-2024	Dutch Teamcompetition KNDB	Bert Bakhuis	1225	1	-	0	-61	0.42	0.83
mo 22-01-2024	Provincial Teamcompetition Zuid-Holland	André van der Kwartel	1084	1	-	2	80	0.61	1.22
sa 03-02-2024	Dutch Teamcompetition KNDB	Kees Pippel	1319	1	-	1	-155	0.29	0.59
fr 09-02-2024	Provincial Teamcompetition Zuid-Holland	Peter van der Stap	1242	1	-	0	-78	0.39	0.78
sa 02-03-2024	Dutch Teamcompetition KNDB	Jasper Kole	924	1	-	2	240	0.8	1.6
fr 08-03-2024	Provincial Teamcompetition Zuid-Holland	Marco de Leeuw	1192	1	-	1	-28	0.46	0.92
		Total:		18	-	18			17.07
		Correctionfactor:		7.5	(31 g.)
		Calculation:
		Tot. aver. o-rating (incl. earl. seas.):					1164	Perc.:	0.5
		Tot. points (incl. earl. seas.):				31	- 31	Diff.:	0
		Virtual rating:	1164	+	0				1164
		Aver.rating:	1182	Perc.:			0.5	Diff.:	0
		TPR:	1182	+	0				1182