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Player:  Niko Sikkema  Age: 73
KNDB-rating on 1-7-2023: 539
Highest KNDB-rating ever: 554
Average KNDB-rating all time: 519 
Virtual KNDB-rating : 524 Toernooibase Dammen

Strongest win in last 10 years by
Niko Sikkema (483):
21-04-2016 Tom Huizinga (751)
(Provincial Cup Teams Groningen)
Toernooibase Dammen Weakest loss in last 10 years by
Niko Sikkema (512):
02-11-2017 Henk Abrahams (550)
(Prov. competition DDB/PGD Drenthe)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Marcel Zwiers  724 1-1-185 0.26 0.52
sa 23-09-2023  Dutch Teamcompetition KNDB  Bob van der Mark  937 1-0-398 0.08 0.16
fr 29-09-2023  Provincial Championship Groningen  Jan Starke  871 1-0-332 0.12 0.25
th 12-10-2023  Provincial Championship Groningen  Bob van der Mark  937 1-0-398 0.08 0.16
sa 14-10-2023  Dutch Teamcompetition KNDB  Gezinus Bottema  865 1-0-326 0.13 0.25
fr 20-10-2023  Provincial Championship Groningen  Marinus Damkat  893 1-0-354 0.11 0.22
we 01-11-2023  Provincial Championship Groningen  Gezinus Bottema  865 1-0-326 0.13 0.25
fr 10-11-2023  Provincial Championship Groningen  Jack Westerdijk  901 1-0-362 0.1 0.21
sa 18-11-2023  Dutch Teamcompetition KNDB  Feiko Stoppels  872 1-0-333 0.12 0.24
th 23-11-2023  Provincial Championship Groningen  Johan Tuenter  944 1-0-405 0.08 0.16
fr 08-12-2023  Provincial Championship Groningen  Anko Sterenberg  730 1-1-191 0.25 0.5
sa 20-01-2024  Dutch Teamcompetition KNDB  Rika van Leeuwen  637 1-0-98 0.37 0.73
sa 03-02-2024  Dutch Teamcompetition KNDB  Theo Wolthers  877 1-0-338 0.12 0.24
sa 02-03-2024  Dutch Teamcompetition KNDB  Thomas Kuipers  1110 1-0-571 0.02 0.05
 Total:14-23.94
 Correctionfactor:7.5 (100 g.)
 Calculation:2-3.94 x7.5=-14.53
 Virtual rating: 524
 Aver.rating: 869 Perc.:0.07Diff.: -419
 TPR: 869 +-419 450