Chess South Africa
Last updated:
Player Tournament Analysis
Home
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
2021 Etienne Lewis Closed Trials (U12 Open)
Tournament id
20210240
Rating type
Standard
Start
2021/09/24
End
2021/09/26
Rounds
7
Total time
90
Time weight
0.94
Total time
Official results
Rating
1188.7
K-factor
40
Average opponent rating
1168.6
Performance
1026.9
Expected score
3.14
Score - Expected score
-1.14
Rating change
-42.9
Rating
1172.4
K-factor
40
Average opponent rating
1158.6
Performance
1016.9
Expected score
3.10
Score - Expected score
-1.10
Rating change
-44.0
Games
6
Score
2.0
%
33.3
Dp
-141,666666666667
Wins
2
Draws
0
Losses
4
Final position
15
Shared position
14
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
7
2021/09/26
Okeke, BC (Brian Chiagozie)
GTP
1204.7
1190.8
W
1
0.52
0.52
17.3
19.2
6
2021/09/26
Mcphail, M (Matthew)
GTP
1199.2
1193.1
B
0
0.45
0.43
-16.2
-17.2
5
2021/09/25
Van Der Merwe, R (Ruben)
GTP
1042.2
1031.0
B
1
0.63
0.62
13.3
15.2
4
2021/09/25
0.0
0.0
X
0.00
0.00
3
2021/09/24
Venter, D (Dian)
GTP
1201.9
1190.9
W
0
0.53
0.52
-19.1
-20.8
2
2021/09/24
Klopper, PA (Phillippus Arnoldus)
GTP
1158.6
1139.9
B
0
0.49
0.50
-17.6
-20.0
1
2021/09/24
Kutchoukov, I (Ivan)
GTP
1204.9
1206.0
W
0
0.52
0.50
-18.7
-20.0