Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Ribbens, R (Reuben)
Dob:
2013/03/01 (U12)
Gender:
Male
Chess SA id:
1130140635
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
South African Junior Closed Chess Championship 2024 (U12 Open)
Tournament id
20241028
Rating type
Standard
Start
2024/04/27
End
2024/05/01
Rounds
9
Total time
120
Time weight
1.00
Total time
Official results
Rating
1488.3
K-factor
32
Average opponent rating
1475.9
Performance
1334.3
Expected score
4.67
Score - Expected score
-1.67
Rating change
-53.4
Rating
1483.7
K-factor
32
Average opponent rating
1470.4
Performance
1328.8
Expected score
4.67
Score - Expected score
-1.67
Rating change
-53.4
Games
9
Score
3.0
%
33.3
Dp
-141,666666666667
Wins
1
Draws
4
Losses
4
Final position
23
Shared position
23
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
9
2024/05/01
Chipunza, J (Jaden)
ENM
1478.0
1483.6
W
½
0.55
0.54
-1.6
-1.3
8
2024/04/30
Mallach, D (Daniel)
GJM
1412.8
1400.8
B
½
0.55
0.55
-1.6
-1.6
7
2024/04/30
Kirstein, T (Tinus Ederich)
GTP
1432.3
1408.0
W
0
0.61
0.63
-19.5
-20.2
6
2024/04/29
Retief, A (Antonie)
GJM
1452.2
1461.1
B
½
0.50
0.48
0.0
0.6
5
2024/04/29
Gupta, A (Akul)
GJM
1368.4
1323.4
W
½
0.68
0.73
-5.8
-7.4
4
2024/04/28
Kapp, S (Sebastian)
ENM
1560.7
1580.7
B
0
0.37
0.35
-11.8
-11.2
3
2024/04/28
George, A (Aaron)
EBC
1436.7
1417.0
W
1
0.60
0.62
12.8
12.2
2
2024/04/27
Driscoll, S (Samuel)
ENM
1638.7
1646.0
W
0
0.37
0.35
-11.8
-11.2
1
2024/04/27
Mabhera, JP (Jedidiah Panashe)
CSA
1503.6
1513.3
B
0
0.44
0.42
-14.1
-13.4