Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Pretorius, JB (Johnny)
Dob:
2007/02/14 (U18)
Gender:
Male
Chess SA id:
107057155
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
Check Mates 2019 (Open)
Tournament id
20191718
Rating type
Standard
Start
2019/08/17
End
2019/08/17
Rounds
6
Total time
70
Time weight
0.87
Total time
Official results
Rating
1149.2
K-factor
40
Average opponent rating
1236.9
Performance
1236.9
Expected score
2.39
Score - Expected score
0.61
Rating change
21.2
Rating
1083.6
K-factor
40
Average opponent rating
1208.7
Performance
1208.7
Expected score
2.13
Score - Expected score
0.87
Rating change
34.8
Games
6
Score
3.0
%
50.0
Dp
0
Wins
3
Draws
0
Losses
3
Final position
11
Shared position
8
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
6
2019/08/17
Mitchells, J (Jamie-Lee)
WCU
1423.9
1409.2
W
0
0.22
0.16
-7.9
-6.4
5
2019/08/17
Geldenhuys, M (Mar-Rochelle)
WCU
1087.0
1060.0
B
1
0.53
0.49
16.9
20.4
4
2019/08/17
Koegelenberg, D (Daniel)
WCU
1199.5
1150.8
W
1
0.48
0.46
18.7
21.6
3
2019/08/17
Cupido, BJ (Brenton)
WCU
1235.8
1234.0
B
0
0.36
0.28
-13.0
-11.2
2
2019/08/17
Van Zyl, M (Mea)
WCU
1181.7
1156.4
W
0
0.50
0.46
-18.0
-18.4
1
2019/08/17
Hausiku, M (Marco)
WCU
1293.5
1241.6
B
1
0.29
0.27
25.6
29.2