Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Gretffrath, S (Sonja)
Dob:
2010/01/30 (U16)
Gender:
Female
Chess SA id:
2100149930
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
George Topskole 2022 (O13)
Tournament id
20221190
Rating type
Standard
Start
2022/07/30
End
2022/07/30
Rounds
5
Total time
60
Time weight
0.83
Total time
Official results
Rating
1200.0
K-factor
40
Average opponent rating
1162.9
Performance
1417.9
Expected score
2.76
Score - Expected score
1.24
Rating change
41.2
Rating
1200.0
K-factor
40
Average opponent rating
1156.5
Performance
1411.5
Expected score
2.80
Score - Expected score
1.20
Rating change
48.0
Games
5
Score
4.0
%
80.0
Dp
255
Wins
4
Draws
0
Losses
1
Final position
9
Shared position
7
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2022/07/30
Prince, T (Tyra)
WEG
1144.9
1130.8
W
1
0.61
0.62
12.5
15.2
4
2022/07/30
Reynecke, A (Annemieka)
WEG
1084.5
1070.0
B
0
0.59
0.61
-18.9
-24.4
3
2022/07/30
Stewart, E (Ewald)
WEG
1185.0
1181.6
B
1
0.48
0.48
16.6
20.8
2
2022/07/30
Gao, Z (Zhi)
WEG
1200.0
1200.0
W
1
0.54
0.54
14.7
18.4
1
2022/07/30
Ntakani, V (Vuyo)
WEG
1200.0
1200.0
W
1
0.54
0.54
14.7
18.4