Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Chang, S (Samuel)
Dob:
2010/10/20 (U16)
Gender:
Male
Chess SA id:
110088674
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
EL Schools Winter Trials 2023 (U15 Boys)
Tournament id
20230895
Rating type
Standard
Start
2023/05/13
End
2023/05/13
Rounds
5
Total time
60
Time weight
0.83
Total time
Official results
Rating
1457.6
K-factor
32
Average opponent rating
1276.8
Performance
1531.8
Expected score
3.51
Score - Expected score
0.49
Rating change
13.0
Rating
1433.9
K-factor
32
Average opponent rating
1275.5
Performance
1530.5
Expected score
3.38
Score - Expected score
0.62
Rating change
19.8
Games
5
Score
4.0
%
80.0
Dp
255
Wins
3
Draws
2
Losses
0
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/05/13
Nyameka, A (Asiphe)
EAL
1239.2
1231.8
B
1
0.71
0.69
7.4
9.9
4
2023/05/13
Pearson, D (Dane)
EBC
1424.7
1416.1
W
½
0.58
0.56
-2.0
-1.9
3
2023/05/13
Pearson, E (Ethan)
EBC
1378.0
1372.8
B
½
0.55
0.53
-1.3
-1.0
2
2023/05/13
Mahlati, I (Inga)
EBC
1185.5
1180.6
W
1
0.86
0.84
3.6
5.1
1
2023/05/13
Mpafa, I (Inam)
EAL
1156.7
1176.0
B
1
0.81
0.76
4.9
7.7