Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Marais, AJ (Alwyn)
Dob:
2005/01/17 (U20)
Gender:
Male
Chess SA id:
105020688
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
2019 South African Top Schools Team Championships (U15+U17 Open)
Tournament id
20200060
Rating type
Standard
Start
2020/01/10
End
2020/01/11
Rounds
5
Total time
90
Time weight
0.94
Total time
Official results
Rating
1286.2
K-factor
40
Average opponent rating
1335.4
Performance
1547.9
Expected score
1.85
Score - Expected score
1.15
Rating change
43.2
Rating
1289.6
K-factor
40
Average opponent rating
1334.3
Performance
1546.8
Expected score
1.88
Score - Expected score
1.12
Rating change
44.8
Games
4
Score
3.0
%
75.0
Dp
212,5
Wins
3
Draws
0
Losses
1
Final position
6
Shared position
4
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2020/01/11
Jacobs, CN (Calvin Nicholas)
GTP
1642.6
1639.0
B
0
0.04
0.05
-1.4
-2.0
4
2020/01/11
Mokotedi, K (Kabelo)
NBR
1295.3
1293.0
W
1
0.53
0.54
16.9
18.4
3
2020/01/10
Mokgatlhe, W (Warona)
NBR
1228.2
1234.8
W
1
0.61
0.61
14.0
15.6
2
2020/01/10
0.0
0.0
X
0.00
0.00
1
2020/01/10
Botha, M (Marieka)
GE
1175.4
1170.4
W
1
0.67
0.68
11.9
12.8