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
West Coast Open 2019 (C)
Tournament id
20190801
Rating type
Standard
Start
2019/04/27
End
2019/04/27
Rounds
5
Total time
90
Time weight
0.94
Total time
Official results
Rating
866.7
K-factor
40
Average opponent rating
1167.5
Performance
1422.5
Expected score
0.79
Score - Expected score
3.21
Rating change
120.7
Rating
818.4
K-factor
40
Average opponent rating
1131.1
Performance
1386.1
Expected score
0.72
Score - Expected score
3.28
Rating change
131.2
Games
5
Score
4.0
%
80.0
Dp
255
Wins
4
Draws
0
Losses
1
Final position
11
Shared position
4
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2019/04/27
Mcquire, C (Craig)
WCT
1197.5
1151.7
W
0
0.16
0.15
-5.8
-6.0
4
2019/04/27
Mattheus, E (Elcay)
WCU
1140.2
1084.8
W
1
0.22
0.23
28.1
30.8
3
2019/04/27
Van Zyl, M (Mea)
WCU
1177.9
1066.2
B
1
0.10
0.17
32.4
33.2
2
2019/04/27
Williams, I (Ivan)
WCU
1121.9
1152.8
W
1
0.24
0.15
27.4
34.0
1
2019/04/27
Athobe, X (Xesha)
WCU
1200.0
1200.0
B
1
0.07
0.01
33.5
39.6