Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Van Der Merwe, A (Alexander)
Dob:
2005/05/04 (U20)
Gender:
Male
Chess SA id:
105057149
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
South African Open 2022 (Championship)
Tournament id
20221215
Rating type
Standard
Start
2022/07/09
End
2022/07/17
Rounds
11
Total time
120
Time weight
1.00
Total time
Official results
Rating
1854.1
K-factor
24
Average opponent rating
1679.3
Performance
1717.9
Expected score
7.78
Score - Expected score
-1.78
Rating change
-42.7
Rating
1873.3
K-factor
24
Average opponent rating
1680.5
Performance
1719.1
Expected score
8.01
Score - Expected score
-2.01
Rating change
-48.2
Games
11
Score
6.0
%
54.5
Dp
38,6363636363636
Wins
5
Draws
2
Losses
4
Final position
38
Shared position
30
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
11
2022/07/17
Van Zyl, A (Albrecht)
WCT
1818.1
1829.0
W
0
0.58
0.59
-13.9
-14.2
10
2022/07/16
De Jager, LJ (Luan)
WCT
1835.7
1844.4
B
½
0.48
0.49
0.5
0.2
9
2022/07/16
Louw, GN (Gideon)
WEG
1851.1
1861.3
W
1
0.55
0.56
10.8
10.6
8
2022/07/15
Willenberg, SC (Shane)
WCT
1654.0
1641.4
B
½
0.69
0.73
-4.6
-5.5
7
2022/07/13
Selkirk, RJ (Rebecca)
WCW
1729.5
1729.2
W
1
0.69
0.71
7.4
7.0
6
2022/07/12
Willenberg, RC (Roland)
WCT
1626.0
1628.3
B
1
0.72
0.74
6.7
6.2
5
2022/07/11
Grobbelaar, J (Jacqui)
WCT
1581.2
1578.2
W
1
0.86
0.89
3.4
2.6
4
2022/07/10
Zuma, M (Mbusiswa)
KED
1470.5
1463.5
B
1
0.90
0.94
2.4
1.4
3
2022/07/10
Mnyasta, T (Tezihano)
WCT
1746.1
1741.8
W
0
0.67
0.69
-16.1
-16.6
2
2022/07/09
Daniel, A (Angelo)
KED
1670.6
1676.2
B
0
0.67
0.69
-16.1
-16.6
1
2022/07/09
Jacobs, PJ (Peter-John)
WCT
1489.5
1491.7
W
0
0.97
0.99
-23.3
-23.8