HOME |

LAST IN DATABASE |

RATINGS |

TOURNAMENTS |

NEWS |

GAMES |

POSITIONS |

LINKS |

---

Player:  Johan Zijlstra  Age: 63 KNDB-rating on 1-7-2023: 1085 Highest KNDB-rating ever: 1133 Average KNDB-rating all time: 1089  Virtual KNDB-rating : 1084 Strongest win in last 10 years by Johan Zijlstra (1090): 12-12-2015 Nico Werkman (1211) (Dutch Teamcompetition KNDB) Weakest loss in last 10 years by Johan Zijlstra (1111): 15-02-2020 Jan Siegers (865) (Dutch Teamcompetition KNDB) FMJD-rating: 2010 Highest FMJD-rating ever: 2036 Average FMJD-rating all time: 2008 (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	Henk Veldhorst	883	1	-	2	202	0.76	1.52
sa 23-09-2023	Dutch Teamcompetition KNDB	Ludy Brink	860	1	-	2	225	0.78	1.57
sa 14-10-2023	Dutch Teamcompetition KNDB	Rudolf Schwab	692	1	-	2	393	0.92	1.83
sa 04-11-2023	Dutch Teamcompetition KNDB	Henk Stroetinga	1146	1	-	0	-61	0.42	0.83
sa 18-11-2023	Dutch Teamcompetition KNDB	Henk van den Berg	843	1	-	1	242	0.8	1.6
sa 02-12-2023	Dutch Teamcompetition KNDB	Hans van der Nap	946	1	-	1	139	0.69	1.37
sa 06-01-2024	Dutch Teamcompetition KNDB	Jilje Scheeringa	643	1	-	1	442	0.94	1.88
sa 20-01-2024	Dutch Teamcompetition KNDB	Albert Kamps	1123	1	-	2	-38	0.45	0.89
sa 03-02-2024	Dutch Teamcompetition KNDB	Klaas Mondria	821	1	-	2	264	0.82	1.64
sa 17-02-2024	Dutch Teamcompetition KNDB	Douwe Douma	939	1	-	2	146	0.7	1.39
sa 02-03-2024	Dutch Teamcompetition KNDB	Sietse Bronger	968	1	-	1	117	0.66	1.32
tu 21-05-2024	Salou Open Buitenland	Harry Vredeveldt	805	1	-	2	280	0.84	1.67
we 22-05-2024	Salou Open Buitenland	Bé Eggens	1208	1	-	1	-123	0.33	0.67
th 23-05-2024	Salou Open Buitenland	Renco Oostindjer	1058	1	-	0	27	0.54	1.08
sa 25-05-2024	Salou Open Buitenland	Jacco Keizer	947	1	-	1	138	0.69	1.37
		Total:		15	-	20			20.64
		Correctionfactor:		5	(323 g.)
		Calculation:		20	-	20.64 x		5=	-3.19
		Virtual rating:							1082
		Aver.rating:	925	Perc.:			0.67	Diff.:	123
		TPR:	925	+	123				1048