Player Tournament Analysis

Koch, Z (Zachary)
Dob: 2007/09/19 (U18)
Gender: Male
Chess SA id: 1070145616
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Tournament and Raing
Tournament JNW Open - Crawford 2023 (C)
Tournament id 20230480
Rating type Standard
Start 2023/03/04
End 2023/03/04
Rounds 5
Total time 60
Time weight 0.83
Total time Official results
Rating 1213.6
K-factor 40
Average opponent rating 1228.7
Performance 1483.7
Expected score 2.45
Score - Expected score 1.55
Rating change 51.5
Rating 1215.6
K-factor 40
Average opponent rating 1226.5
Performance 1481.5
Expected score 2.48
Score - Expected score 1.52
Rating change 60.8
Games 5
Score 4.0
% 80.0
Dp 255
Wins 4
Draws 0
Losses 1
Final position 0
Shared position 0
Opponents
#DateOpponentFedMain RatingType RatingsColResMainWeTypeWeMain+/-Type+/-
5 2023/03/04 Steyn, A (Anneke) GJM 1235.2 1225.7 W 1 0.52 0.53 15.4 18.8
4 2023/03/04 Adamson, A (Amani) GTP 1261.4 1259.9 B 1 0.40 0.41 19.2 23.6
3 2023/03/04 Pieters, N (Nicholas) GJM 1200.0 1200.0 W 1 0.56 0.56 14.1 17.6
2 2023/03/04 Cilliers, R (Ruben) GJM 1247.1 1247.1 B 0 0.42 0.42 -13.4 -16.8
1 2023/03/04 Ramaila, M (Mahlogonolo) GJM 1200.0 1200.0 W 1 0.56 0.56 14.1 17.6