Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Roberts, I (Iwan)
Dob:
2012/04/26 (U14)
Gender:
Male
Chess SA id:
1120109662
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Rapid rating
General
Tournament
Hermanus Rapid 2023 (B)
Tournament id
20230860
Rating type
Rapid
Start
2023/04/22
End
2023/04/22
Rounds
6
Total time
25
Time weight
0.54
Total time
Official results
Rating
1578.3
K-factor
36
Average opponent rating
1287.8
Performance
1146.1
Expected score
5.00
Score - Expected score
-3.00
Rating change
-58.3
Rating
1373.6
K-factor
40
Average opponent rating
1186.9
Performance
1045.3
Expected score
4.30
Score - Expected score
-2.30
Rating change
-92.0
Games
6
Score
2.0
%
33.3
Dp
-141,666666666667
Wins
2
Draws
0
Losses
4
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
6
2023/04/22
Stander, D (Divan)
WOS
1303.4
1185.6
B
0
0.78
0.68
-14.0
-27.2
5
2023/04/22
Liebenberg, C (Christiaan)
WOS
1207.7
1214.4
B
1
0.89
0.64
2.0
14.4
4
2023/04/22
Palmer, ZE (Zante)
WCT
1367.2
1211.0
W
0
0.79
0.73
-14.2
-29.2
3
2023/04/22
Pretorius, S (Sonya)
WCT
1162.0
1165.2
W
1
1.00
0.78
0.0
8.8
2
2023/04/22
Goliath, J (Jayden)
WCT
1290.4
1252.8
B
0
0.79
0.60
-14.2
-24.0
1
2023/04/22
Jaftha, J (Jeyhlin)
WCT
1396.1
1092.6
W
0
0.75
0.87
-13.5
-34.8