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 Etienne Lewis Closed Tournament (U14)
Tournament id
20231690
Rating type
Standard
Start
2023/08/25
End
2023/08/27
Rounds
7
Total time
90
Time weight
0.94
Total time
Official results
Rating
1258.0
K-factor
40
Average opponent rating
1234.1
Performance
1173.4
Expected score
3.65
Score - Expected score
-0.65
Rating change
-24.4
Rating
1250.0
K-factor
40
Average opponent rating
1220.2
Performance
1159.5
Expected score
3.70
Score - Expected score
-0.70
Rating change
-28.0
Games
7
Score
3.0
%
42.9
Dp
-60,7142857142857
Wins
3
Draws
0
Losses
4
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
7
2023/08/27
Botha, RMJ (Robert)
GTP
1270.4
1241.1
B
0
0.44
0.47
-15.8
-18.8
6
2023/08/27
Loubser, LA (Lilliene)
GTP
1347.8
1339.6
W
1
0.44
0.44
20.2
22.4
5
2023/08/27
Van Wyk, C (Christo)
GTP
1053.7
1037.6
B
1
0.70
0.71
10.8
11.6
4
2023/08/26
Scholtz, GJ (Gerhardus Jacobus)
GTP
1200.1
1199.0
W
0
0.61
0.60
-22.0
-24.0
3
2023/08/26
Liang, YX (Yi-Xuan (Bowie))
GTP
1482.0
1478.1
B
0
0.20
0.19
-7.2
-7.6
2
2023/08/26
De Jager, A (Anneke)
GTP
1068.2
1046.8
W
1
0.76
0.78
8.6
8.8
1
2023/08/25
Le Roux, R (Reuben)
GTP
1216.6
1199.4
B
0
0.51
0.52
-18.4
-20.8