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Player:  Mark Klaassen  Age: 49
KNDB-rating on 1-7-2023: 1031
Highest KNDB-rating ever: 1048
Average KNDB-rating all time: 1017 
Virtual KNDB-rating : 1019 Toernooibase Dammen

Strongest win in last 10 years by
Mark Klaassen (1019):
11-02-2023 Gijs voor de Poorte (1093)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Mark Klaassen (1029):
02-04-2022 Alexei Ovsyanko (730)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1975
Highest FMJD-rating ever: 2020
Average FMJD-rating all time: 1971
(Graphics FMJD-rating in period
KNDB-rating)

 Highest Historical
Toernooibaserating on 01-01-1994:  995 D
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Peter Foks  1070 1-0-39 0.45 0.89
sa 23-09-2023  Dutch Teamcompetition KNDB  Anthony Keijzer  970 1-161 0.58 1.17
sa 14-10-2023  Dutch Teamcompetition KNDB  Rianka van Ombergen-Rentmeester  1139 1-0-108 0.35 0.71
sa 04-11-2023  Dutch Teamcompetition KNDB  Krijn Toet  1245 1-1-214 0.23 0.45
sa 18-11-2023  Dutch Teamcompetition KNDB  Job Arts  1263 1-0-232 0.21 0.42
sa 02-12-2023  Dutch Teamcompetition KNDB  Peter van den Berg  883 1-1148 0.7 1.4
sa 06-01-2024  Dutch Teamcompetition KNDB  Dylan Jongeneel  915 1-1116 0.66 1.32
sa 20-01-2024  Dutch Teamcompetition KNDB  Paul de Heus  1202 1-1-171 0.27 0.55
sa 03-02-2024  Dutch Teamcompetition KNDB  Wiebo Drost  1237 1-1-206 0.24 0.47
sa 17-02-2024  Dutch Teamcompetition KNDB  Micha van Tol  1180 1-0-149 0.3 0.6
sa 02-03-2024  Dutch Teamcompetition KNDB  Matthijs Broek  853 1-1178 0.73 1.47
 Total:11-79.44
 Correctionfactor:5 (213 g.)
 Calculation:7-9.44 x5=-12.18
 Virtual rating: 1019
 Aver.rating: 1087 Perc.:0.32Diff.: -135
 TPR: 1087 +-135 952