Chess South Africa
Last updated:
Player Tournament Analysis
Home
Chess South Africa
Johnston, Z (Zach)
Dob:
2010/11/10 (U16)
Gender:
Male
Chess SA id:
1100137580
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Rapid rating
General
Tournament
Stellenbosch Primary Chess Tournament 2023 (U14)
Tournament id
20231844
Rating type
Rapid
Start
2023/08/19
End
2023/08/19
Rounds
6
Total time
30
Time weight
0.60
Total time
Official results
Rating
1202.1
K-factor
40
Average opponent rating
1218.9
Performance
1218.9
Expected score
2.88
Score - Expected score
0.12
Rating change
2.9
Rating
1181.6
K-factor
40
Average opponent rating
1175.5
Performance
1175.5
Expected score
3.04
Score - Expected score
-0.04
Rating change
-1.6
Games
6
Score
3.0
%
50.0
Dp
0
Wins
3
Draws
0
Losses
3
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
6
2023/08/19
Lourens, J (Janco)
WCW
1170.5
1173.9
W
1
0.58
0.55
10.1
18.0
5
2023/08/19
Coetzer, J (Jeanne)
WCW
1179.5
1159.3
B
0
0.48
0.48
-11.5
-19.2
4
2023/08/19
Prins, S (Stefan)
WCW
1311.3
1147.2
W
0
0.41
0.58
-9.8
-23.2
3
2023/08/19
Wongama, A (Achumile)
WCW
1181.2
1168.4
B
1
0.48
0.47
12.5
21.2
2
2023/08/19
Yoon, YJ (Yea Jun)
WCW
1319.4
1292.2
W
0
0.41
0.41
-9.8
-16.4
1
2023/08/19
Luiters, E (Eva)
WCW
1151.3
1111.8
B
1
0.52
0.54
11.5
18.4