Chess South Africa
Last updated:
Player Tournament Analysis
Home
Chess South Africa
Pretorius, S (Sonya)
Dob:
2009/03/02 (U16)
Gender:
Female
Chess SA id:
2090132122
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Rapid rating
General
Tournament
Overberg Schools Open Tournament 2023 (U14)
Tournament id
20230343
Rating type
Rapid
Start
2023/02/11
End
2023/02/11
Rounds
5
Total time
20
Time weight
0.47
Total time
Official results
Rating
1166.5
K-factor
40
Average opponent rating
1218.2
Performance
1133.2
Expected score
2.24
Score - Expected score
-0.24
Rating change
-4.5
Rating
1180.8
K-factor
40
Average opponent rating
1207.7
Performance
1122.7
Expected score
2.39
Score - Expected score
-0.39
Rating change
-15.6
Games
5
Score
2.0
%
40.0
Dp
-85
Wins
2
Draws
0
Losses
3
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/02/11
Pietersen, C (Christiano)
WOS
1200.0
1200.0
W
0
0.50
0.52
-10.0
-20.8
4
2023/02/11
Swarts, A (Anesto)
WOS
1200.0
1200.0
B
1
0.42
0.44
11.6
22.4
3
2023/02/11
Mitchell, M (Matthew)
WOS
1200.0
1200.0
W
0
0.50
0.52
-10.0
-20.8
2
2023/02/11
Matinywa, T (Thobani)
WOS
1315.2
1238.4
B
0
0.29
0.39
-5.8
-15.6
1
2023/02/11
Sidanga, R (Ronique)
WOS
1175.8
1200.0
W
1
0.53
0.52
9.4
19.2