Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Van Der Berg, P (Pieter)
Dob:
1956/11/08 (Adult)
Gender:
Male
Chess SA id:
1560115964
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
Randburg Winter Swiss 2023
Tournament id
20231426
Rating type
Standard
Start
2023/06/13
End
2023/07/25
Rounds
7
Total time
90
Time weight
0.94
Total time
Official results
Rating
1476.7
K-factor
36
Average opponent rating
1552.1
Performance
1734.3
Expected score
2.84
Score - Expected score
2.16
Rating change
73.1
Rating
1448.7
K-factor
36
Average opponent rating
1560.7
Performance
1742.8
Expected score
2.57
Score - Expected score
2.43
Rating change
87.5
Games
7
Score
5.0
%
71.4
Dp
182,142857142857
Wins
4
Draws
2
Losses
1
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
7
2023/07/25
Metcalfe, AR (Allister)
GJM
1724.2
1745.6
W
1
0.25
0.20
24.3
28.8
6
2023/07/18
Mendelsohn, DC (David)
GTP
1643.2
1640.5
B
½
0.26
0.23
7.8
9.7
5
2023/07/11
Snyckers, A (Adam)
GJM
1464.3
1456.5
B
1
0.47
0.45
17.2
19.8
4
2023/07/04
Hangelbroek, P (Peter)
GJM
1498.6
1518.4
W
1
0.52
0.46
15.6
19.4
3
2023/06/27
Tak, R (Rannveer)
NBR
1525.9
1560.6
B
½
0.40
0.33
3.2
6.1
2
2023/06/20
Mazibuko, K (Khanya)
GJM
1923.1
1928.0
W
0
0.02
0.01
-0.6
-0.4
1
2023/06/13
Goldberg, M (Mark)
GJM
1085.7
1075.3
B
1
0.91
0.89
2.9
4.0