Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Van Rooyen, S (Sergio)
Dob:
2008/11/07 (U18)
Gender:
Male
Chess SA id:
1080099747
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
West Coast High School Championships 2023 (U15 Boys)
Tournament id
20230246
Rating type
Standard
Start
2023/02/18
End
2023/02/18
Rounds
6
Total time
60
Time weight
0.83
Total time
Official results
Rating
1112.1
K-factor
40
Average opponent rating
1217.5
Performance
1217.5
Expected score
2.26
Score - Expected score
0.74
Rating change
24.6
Rating
1058.8
K-factor
40
Average opponent rating
1206.0
Performance
1206.0
Expected score
1.97
Score - Expected score
1.03
Rating change
41.2
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
2023/02/18
Davids, C (Cleverton)
WCU
1211.1
1190.3
W
1
0.43
0.39
18.2
24.4
5
2023/02/18
Sawayer, L (Luke)
WCU
1151.5
1160.8
B
1
0.41
0.34
18.9
26.4
4
2023/02/18
Maarman, C (Christiano)
WCU
1276.1
1271.4
W
0
0.35
0.29
-11.2
-11.6
3
2023/02/18
Meyer, H (Harold)
WCU
1182.5
1170.0
B
1
0.38
0.33
19.8
26.8
2
2023/02/18
Holt, I (Isiah)
WCU
1174.4
1169.8
W
0
0.47
0.41
-15.0
-16.4
1
2023/02/18
Duiker, P (Phillip)
WCU
1309.5
1273.7
B
0
0.23
0.21
-7.4
-8.4