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Player:  Gregory de Vries  Age: 20
KNDB-rating on 1-7-2023: 570
Highest KNDB-rating ever: 573
Average KNDB-rating all time: 445 
Virtual KNDB-rating : 622 Toernooibase Dammen

Strongest win in last 10 years by
Gregory de Vries (465):
05-08-2019 Piet Rozenboom (995)
(Brunssum Open Limburg)
Toernooibase Dammen Weakest loss in last 10 years by
Gregory de Vries (570):
04-11-2023 Sven Schakel (345)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1810
Highest FMJD-rating ever: 1900
Average FMJD-rating all time: 1885
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
fr 04-08-2023  Brunssum Open Limburg  Clemens Crucius  1052 1-0-482 0.05 0.09
sa 05-08-2023  Brunssum Open Limburg  Eric van `t Hof  944 1-2-374 0.1 0.19
su 06-08-2023  Brunssum Open Limburg  Bert Woolschot  1155 1-0-585 0.02 0.04
mo 07-08-2023  Brunssum Open Limburg  Raymond Vandecaetsbeek  863 1-2-293 0.15 0.31
tu 08-08-2023  Brunssum Open Limburg  Petra Duskova  1112 1-0-542 0.03 0.06
we 09-08-2023  Brunssum Open Limburg  Louis de Frankrijker  962 1-0-392 0.09 0.17
th 10-08-2023  Brunssum Open Limburg  Andy Damen  1111 1-0-541 0.03 0.06
fr 11-08-2023  Brunssum Open Limburg  Johan Evens  858 1-0-288 0.16 0.31
sa 12-08-2023  Brunssum Open Limburg  Jo Hollands  625 1-2-55 0.42 0.85
sa 09-09-2023  Dutch Teamcompetition KNDB  Guus Gase  670 1-2-100 0.36 0.73
sa 23-09-2023  Dutch Teamcompetition KNDB  Hans de Knikker  1111 1-0-541 0.03 0.06
sa 14-10-2023  Dutch Teamcompetition KNDB  Alex Kruyshoop  724 1-0-154 0.29 0.59
sa 04-11-2023  Dutch Teamcompetition KNDB  Sven Schakel  643 1-0-73 0.4 0.8
sa 18-11-2023  Dutch Teamcompetition KNDB  Viviënne Meijer  397 1-2173 0.73 1.46
sa 02-12-2023  Dutch Teamcompetition KNDB  Wart Verhagen  736 1-1-166 0.28 0.56
sa 06-01-2024  Dutch Teamcompetition KNDB  Paul Smit  991 1-0-421 0.07 0.14
sa 20-01-2024  Dutch Teamcompetition KNDB  Gert Koopman  573 1-2-3 0.5 0.99
sa 03-02-2024  Dutch Teamcompetition KNDB  Wim Zwinkels  785 1-0-215 0.23 0.45
sa 17-02-2024  Dutch Teamcompetition KNDB  Hanny de Vaal-Kokshoorn  643 1-1-73 0.4 0.8
sa 02-03-2024  Dutch Teamcompetition KNDB  Aart van Dijk  728 1-0-158 0.29 0.58
 Total:20-149.23
 Correctionfactor:11 (96 g.)
 Calculation:14-9.23 x11=52.48
 Virtual rating: 622
 Aver.rating: 834 Perc.:0.35Diff.: -110
 TPR: 834 +-110 724