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Player:  Ruben Heemsbergen  Age: 15
KNDB-rating on 1-7-2023: 534
Highest KNDB-rating ever: 537
Average KNDB-rating all time: 518 
Virtual KNDB-rating : 603 Toernooibase Dammen

Strongest win in last 10 years by
Ruben Heemsbergen (396):
12-07-2021 Menno van Delft (411)
(Heerhugowaard Open SNA Heerhugowaard)
Toernooibase Dammen Weakest loss in last 10 years by
Ruben Heemsbergen (534):
18-11-2023 Cees Staal (674)
(Dutch Teamcompetition KNDB)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Jaap Vermeer  701 1-1-98 0.37 0.73
sa 23-09-2023  Dutch Teamcompetition KNDB  Noa van der Wal  538 1-265 0.59 1.18
sa 04-11-2023  Dutch Teamcompetition KNDB  Rune Varkevisser  727 1-2-124 0.33 0.66
sa 18-11-2023  Dutch Teamcompetition KNDB  Cees Staal  674 1-0-71 0.4 0.8
sa 03-02-2024  Dutch Teamcompetition KNDB  Zoey Berk  381 1-2222 0.78 1.56
sa 17-02-2024  Dutch Teamcompetition KNDB  Tamar Out  681 1-2-78 0.39 0.78
sa 02-03-2024  Dutch Teamcompetition KNDB  Menno Kamminga  638 1-1-35 0.45 0.9
 Total:7-106.63
 Correctionfactor:7.5 (25 g.)
 Calculation:
 Tot. aver. o-rating (incl. earl. seas.): 646Perc.: 0.44
 Tot. points (incl. earl. seas.): 25 - 22Diff.: -43
 Virtual rating: 646 +-43 603
 Aver.rating: 620 Perc.:0.71Diff.: 162
 TPR: