Chess South Africa
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Player Tournament Analysis
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Chess South Africa
De Graaff, R (Ruben)
Dob:
2009/10/02 (U16)
Gender:
Male
Chess SA id:
1090101502
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Rapid rating
General
Tournament
Overberg High Schools Trails 2023 (U15)
Tournament id
20230348
Rating type
Rapid
Start
2023/02/24
End
2023/02/24
Rounds
5
Total time
15
Time weight
0.39
Total time
Official results
Rating
1190.0
K-factor
40
Average opponent rating
1211.4
Performance
1296.4
Expected score
2.33
Score - Expected score
0.67
Rating change
10.5
Rating
1200.0
K-factor
40
Average opponent rating
1090.9
Performance
1175.9
Expected score
3.09
Score - Expected score
-0.09
Rating change
-3.6
Games
5
Score
3.0
%
60.0
Dp
85
Wins
3
Draws
0
Losses
2
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/02/24
Beveridge, TG (Talitha)
WOS
1345.0
755.2
B
0
0.28
0.98
-4.5
-39.2
4
2023/02/24
Mayezana, A (Amila)
WOS
1142.2
1177.6
W
1
0.60
0.57
6.4
17.2
3
2023/02/24
Potgieter, PL (Pieter)
WOS
1389.1
1245.5
B
0
0.23
0.41
-3.7
-16.4
2
2023/02/24
Mackenzie, E (Erin-Lee)
WOS
1060.2
1216.4
W
1
0.69
0.52
5.0
19.2
1
2023/02/24
Jack, C (Chivano)
WCW
1120.6
1059.6
B
1
0.54
0.62
7.4
15.2