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Player:  Marcel Kosters  Age: 46
KNDB-rating on 1-7-2023: 1141
Highest KNDB-rating ever: 1213
Average KNDB-rating all time: 1128 
Virtual KNDB-rating : 1144 Toernooibase Dammen

Strongest win in last 10 years by
Marcel Kosters (1139):
17-07-2021 Frits Luteijn (1364)
(Heerhugowaard Open SNA Heerhugowaard)
Toernooibase Dammen Weakest loss in last 10 years by
Marcel Kosters (1150):
29-09-2018 Herk Vis (930)
(Dutch Teamcompetition KNDB)

FMJD-rating: 2045
Highest FMJD-rating ever: 2050
Average FMJD-rating all time: 2006
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 23-09-2023  Dutch Teamcompetition KNDB  Ronald Schalley  1308 1-1-167 0.28 0.56
sa 14-10-2023  Dutch Teamcompetition KNDB  Mari van Ballegooijen  1268 1-1-127 0.33 0.66
sa 04-11-2023  Dutch Teamcompetition KNDB  Frans van de Velde  1057 1-184 0.62 1.23
sa 18-11-2023  Dutch Teamcompetition KNDB  Wim Verschoor  1169 1-2-28 0.46 0.92
sa 02-12-2023  Dutch Teamcompetition KNDB  Rinus Kromhout  1026 1-1115 0.66 1.31
sa 06-01-2024  Dutch Teamcompetition KNDB  Willem Bor  1037 1-1104 0.64 1.28
sa 03-02-2024  Dutch Teamcompetition KNDB  Kenny Kroon  1140 1-11 0.5 1
sa 02-03-2024  Dutch Teamcompetition KNDB  Robbert Westerink  1114 1-127 0.54 1.08
th 28-03-2024  Easter tournament Amsterdam Noord-Holland  Ibrahim Guennoun  877 1-2264 0.82 1.64
fr 29-03-2024  Easter tournament Amsterdam Noord-Holland  Hans Jansen  1421 1-1-280 0.16 0.33
fr 29-03-2024  Easter tournament Amsterdam Noord-Holland  Luuk Terweijden  1343 1-1-202 0.24 0.48
sa 30-03-2024  Easter tournament Amsterdam Noord-Holland  Herman van Westerloo  1109 1-032 0.54 1.09
su 31-03-2024  Easter tournament Amsterdam Noord-Holland  Hanco Elenbaas  1201 1-1-60 0.42 0.83
su 31-03-2024  Easter tournament Amsterdam Noord-Holland  Peter Frans Koops  1129 1-012 0.52 1.03
mo 01-04-2024  Easter tournament Amsterdam Noord-Holland  Guus Gase  670 1-2471 0.95 1.9
 Total:15-1615.35
 Correctionfactor:5 (508 g.)
 Calculation:16-15.35 x5=3.24
 Virtual rating: 1144
 Aver.rating: 1125 Perc.:0.53Diff.: 24
 TPR: 1125 +24 1149