Player Tournament Analysis

Weng, Y (Yu Bo (David))
Dob: 2010/01/05 (U16)
Gender: Male
Chess SA id: 1100117290
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Tournament and Raing
Tournament 2023 South African Junior Closed Chess Championships (U14 Open)
Tournament id 20230680
Rating type Standard
Start 2023/03/31
End 2023/04/04
Rounds 9
Total time 120
Time weight 1.00
Total time Official results
Rating 1543.9
K-factor 32
Average opponent rating 1510.2
Performance 1557.4
Expected score 4.81
Score - Expected score 0.19
Rating change 6.1
Rating 1521.1
K-factor 32
Average opponent rating 1504.7
Performance 1552.0
Expected score 4.63
Score - Expected score 0.37
Rating change 11.8
Games 9
Score 5.0
% 55.6
Dp 47,2222222222222
Wins 4
Draws 2
Losses 3
Final position 0
Shared position 0
Opponents
#DateOpponentFedMain RatingType RatingsColResMainWeTypeWeMain+/-Type+/-
9 2023/04/04 Del Grosso, G (Gianluca Gabriele) GE 1403.5 1400.2 B 1 0.62 0.60 12.2 12.8
8 2023/04/03 Li, Z (Zhengfei) GJM 1641.3 1627.2 W 0 0.43 0.42 -13.8 -13.4
7 2023/04/03 Boheim, E (Eugene) NBR 1471.3 1462.2 B ½ 0.54 0.53 -1.3 -1.0
6 2023/04/02 Myburgh, Z (Zandre) NBR 1484.9 1483.9 W 1 0.61 0.59 12.5 13.1
5 2023/04/02 Yang, A (Alex) GTP 1629.4 1626.3 B 0 0.36 0.34 -11.5 -10.9
4 2023/04/01 Johnson, A (Ashar) GJM 1363.1 1347.6 W 1 0.75 0.74 8.0 8.3
3 2023/04/01 Sathish, A (Abinavah) GTP 1764.7 1783.6 W 0 0.28 0.24 -9.0 -7.7
2 2023/03/31 Jones, E (Edward) GJM 1469.3 1457.9 B ½ 0.55 0.53 -1.6 -1.0
1 2023/03/31 Dikane, O (Oageng) NBR 1364.4 1353.7 B 1 0.67 0.65 10.6 11.2