Chess South Africa
Last updated:
Player Tournament Analysis
Home
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
Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys)
Tournament id
20230253
Rating type
Standard
Start
2023/02/18
End
2023/02/18
Rounds
5
Total time
60
Time weight
0.83
Total time
Official results
Rating
1394.5
K-factor
32
Average opponent rating
1186.5
Performance
1441.5
Expected score
3.67
Score - Expected score
0.33
Rating change
8.8
Rating
1380.4
K-factor
36
Average opponent rating
1181.6
Performance
1436.6
Expected score
3.62
Score - Expected score
0.38
Rating change
13.7
Games
5
Score
4.0
%
80.0
Dp
255
Wins
4
Draws
0
Losses
1
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/02/18
Krynauw, E (Eben)
WCW
1158.5
1153.6
B
1
0.73
0.72
6.9
10.1
4
2023/02/18
Januarie, L (Lee-Roy)
WCW
1255.5
1229.6
W
1
0.70
0.72
7.7
10.1
3
2023/02/18
De Villiers, M (Malan)
WCW
1211.6
1213.2
B
1
0.67
0.65
8.4
12.6
2
2023/02/18
Fortuin, A (Ashton)
WCW
1107.1
1111.4
W
0
0.88
0.85
-22.5
-30.6
1
2023/02/18
Collins, B (Brayden)
WCW
1200.0
1200.0
B
1
0.68
0.67
8.2
11.9