Player Tournament Analysis

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 Top Schools 2023 (U13)
Tournament id 20231542
Rating type Standard
Start 2023/07/29
End 2023/07/29
Rounds 5
Total time 60
Time weight 0.83
Total time Official results
Rating 1347.9
K-factor 40
Average opponent rating 1398.0
Performance 1291.8
Expected score 1.77
Score - Expected score -0.27
Rating change -9.0
Rating 1344.3
K-factor 40
Average opponent rating 1398.3
Performance 1292.0
Expected score 1.75
Score - Expected score -0.25
Rating change -10.0
Games 4
Score 1.5
% 37.5
Dp -106,25
Wins 1
Draws 1
Losses 2
Final position 0
Shared position 0
Opponents
#DateOpponentFedMain RatingType RatingsColResMainWeTypeWeMain+/-Type+/-
5 2023/07/29 Booysen, L (Lukas) WEG 1461.8 1459.7 B 0 0.33 0.32 -10.6 -12.8
4 2023/07/29 0.0 0.0 X 0.00 0.00
3 2023/07/29 Punt, H (Heinrich) WEG 1525.6 1535.2 W 0 0.33 0.32 -10.6 -12.8
2 2023/07/29 Joyi, S (Sanele) WEG 1200.0 1200.0 W 1 0.71 0.71 9.3 11.6
1 2023/07/29 Mpuru, M (Moyisi) WEG 1404.7 1398.3 B ½ 0.39 0.40 3.5 4.0