Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Robertson, J (Jonah)
Dob:
2012/05/07 (U14)
Gender:
Male
Chess SA id:
1120112288
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
Western Cape PS Individuals 2023 (U11 Boys)
Tournament id
20231146
Rating type
Standard
Start
2023/05/05
End
2023/05/06
Rounds
6
Total time
60
Time weight
0.83
Total time
Official results
Rating
1541.5
K-factor
32
Average opponent rating
1262.2
Performance
1403.9
Expected score
5.03
Score - Expected score
-1.03
Rating change
-27.4
Rating
1498.1
K-factor
36
Average opponent rating
1246.7
Performance
1388.4
Expected score
4.84
Score - Expected score
-0.84
Rating change
-30.2
Games
6
Score
4.0
%
66.7
Dp
141,666666666667
Wins
3
Draws
2
Losses
1
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
6
2023/05/06
Van Der Walt, T (Tristan)
WOS
1284.8
1235.6
W
1
0.84
0.85
4.1
5.4
5
2023/05/06
Benjamin, E (Entwan)
WCU
1246.7
1226.3
W
½
0.88
0.86
-9.7
-13.0
4
2023/05/05
Koopman, V (Virat)
WCU
1219.9
1200.0
B
1
0.83
0.81
4.4
6.8
3
2023/05/05
Du Preez, C (Christiaan)
WOS
1267.5
1254.4
W
1
0.86
0.83
3.6
6.1
2
2023/05/05
Louis, C (Carl)
WCT
1293.4
1295.8
B
0
0.75
0.69
-19.2
-24.8
1
2023/05/05
Cornelius, L (Laythan)
WCW
1260.8
1268.3
W
½
0.87
0.81
-9.5
-11.2