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
Rapid rating
General
Tournament
Bo-Weskus Skole Skaak Prestige 2021 (O15 Seuns)
Tournament id
20210108
Rating type
Rapid
Start
2021/05/08
End
2021/05/08
Rounds
5
Total time
30
Time weight
0.60
Total time
Official results
Rating
1231.9
K-factor
40
Average opponent rating
1182.3
Performance
1437.3
Expected score
2.75
Score - Expected score
1.25
Rating change
30.0
Rating
926.4
K-factor
40
Average opponent rating
1112.0
Performance
1367.0
Expected score
1.38
Score - Expected score
2.62
Rating change
104.8
Games
5
Score
4.0
%
80.0
Dp
255
Wins
4
Draws
0
Losses
1
Final position
2
Shared position
2
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2021/05/08
Hausiku, M (Marco)
WCU
1284.3
1251.0
B
0
0.40
0.08
-9.6
-3.2
4
2021/05/08
Cloete, H (Howard)
WCU
1085.9
789.2
B
1
0.63
0.62
8.9
15.2
3
2021/05/08
Saal, R (Ro-Marion)
WCU
1163.5
1240.0
W
1
0.62
0.18
9.1
32.8
2
2021/05/08
Valentyn, N (Ni-Kyle)
WCU
1216.0
1119.6
B
1
0.48
0.23
12.5
30.8
1
2021/05/08
Andrew, K (Keenan)
WCU
1161.7
1160.0
W
1
0.62
0.27
9.1
29.2