Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Marais, JS (Jacobus)
Dob:
2010/06/21 (U16)
Gender:
Male
Chess SA id:
1100097226
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
Tournament id
20230409
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
1173.8
K-factor
40
Average opponent rating
1266.7
Performance
1436.7
Expected score
1.92
Score - Expected score
1.58
Rating change
52.5
Rating
1163.7
K-factor
40
Average opponent rating
1250.7
Performance
1420.7
Expected score
1.95
Score - Expected score
1.55
Rating change
62.0
Games
5
Score
3.5
%
70.0
Dp
170
Wins
3
Draws
1
Losses
1
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/03/04
Kekana, N (Neo)
GTP
1193.6
1141.1
B
1
0.44
0.48
17.9
20.8
4
2023/03/04
De Roos, H (Hubert)
GTP
1264.9
1263.1
B
1
0.35
0.34
20.8
26.4
3
2023/03/04
Jansen Van Vuuren, G (Gianni)
GTP
1363.8
1358.9
W
1
0.32
0.31
21.8
27.6
2
2023/03/04
Naude, J (Johan)
GTP
1272.3
1279.2
B
0
0.34
0.32
-10.9
-12.8
1
2023/03/04
Behr, S (Stesha)
GTP
1238.7
1211.2
W
½
0.47
0.49
1.0
0.4