Chess South Africa
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Chess South Africa
Pretorius, WJM (Martienus)
Dob:
2005/03/05 (U20)
Gender:
Male
Chess SA id:
105048022
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2023/03/04 (442 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1145.7
Curent Weighted rating
1138.1
Curent Weighted performance
940.9
Current official/published rating (highest between Raw, WR and WP)
1145.7
Current floor (min rating allowed)
645.7
Current highest rating achieved
1145.7
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±179.2
Current Raw change used (final)
0.0
Projected new Raw rating
1145.7
Projected new Weighed rating
1139.5
Projected new Weighted performance
940.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1145.7
Projected new floor
645.7
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1155.2
Curent Weighted rating
1147.2
Curent Weighted performance
934.4
Current official/published rating (highest between Raw, WR and WP)
1155.2
Current floor (min rating allowed)
670.0
Current highest rating achieved
1170.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±176.7
Current Raw change used (final)
0.0
Projected new Raw rating
1155.2
Projected new Weighed rating
1148.6
Projected new Weighted performance
934.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1170.0
Projected new floor
670.0
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
674.6
Curent Weighted rating
674.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
674.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
674.6
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±350.5
Current Raw change used (final)
0.0
Projected new Raw rating
674.6
Projected new Weighed rating
674.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
674.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
674.6
Projected new floor
500.0
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
594.2
Curent Weighted rating
594.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
594.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
674.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±393.1
Current Raw change used (final)
0.0
Projected new Raw rating
594.2
Projected new Weighed rating
594.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
594.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
674.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
19
2023 Afrikaans Hoër Seunskool Open Chess Tournament (C)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1129.8
1141.6
Analysis
18
Grey College Team Championship 2023 (B)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
1082.0
1086.0
Analysis
17
2022 Gauteng Schools Team Championships (U17 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1137.8
1155.6
Analysis
16
Grey College Team Championship 2022 (A)
2022/02/18
2022/02/19
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1145.1
1170.0
Analysis
15
Ekurhuleni Chess Open 2022 (C)
2022/01/08
2022/01/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1113.2
1145.6
Analysis
14
2021 Affies Interhuis
2021/10/28
2021/10/28
Tshwane (GTP)
Rapid
30
0.60
5
4
1.0
1133.4
637.4
Analysis
13
2019 Swartkop Open (C)
2019/06/15
2019/06/15
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1038.1
1031.2
Analysis
12
South African Junior Team Championships 2018 (U14E)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
5.0
975.7
978.0
Analysis
11
Inter Region GE vs JHB Metro 2018 (U14E)
2018/10/06
2018/10/06
Ekurhuleni (GE)
Standard
60
0.83
5
3
0.0
1037.1
1056.0
Analysis
10
Ekurhuleni Open 2018 (C)
2018/08/18
2018/08/18
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1011.6
1034.8
Analysis
9
Witfield Open 2018 (C)
2018/07/21
2018/07/21
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1018.9
1030.4
Analysis
8
2018 Swartkop Open (D)
2018/06/23
2018/06/23
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
900.2
899.8
Analysis
7
Ekurhuleni Trials 3 2018 (U14)
2018/06/16
2018/06/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
900.2
899.8
Analysis
6
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
2.0
899.2
594.2
Analysis
5
Ekurhuleni Trials 2 2018 (U14)
2018/04/21
2018/04/21
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
702.1
719.0
Analysis
4
Human Rights Day Open 2018 (C)
2018/03/21
2018/03/21
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
680.2
695.8
Analysis
3
Ekurhuleni Trials 1 2018 (U14)
2018/03/10
2018/03/10
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
680.2
695.8
Analysis
2
Brakpan Open 2018 (C)
2018/02/24
2018/02/24
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
655.3
667.8
Analysis
1
Johan Jurgens Open 2018 (C)
2018/01/26
2018/01/27
Ekurhuleni (GE)
Standard
60
0.83
6
4
4.0
594.2
594.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
93
47
1
45
47.5
51.1
9.1
1032.0
1041.1
White
47
23
1
23
23.5
50.0
0.0
1018.9
1018.9
Black
46
24
0
22
24.0
52.2
18.5
1045.3
1063.8
Standard
All
84
44
1
39
44.5
53.0
25.3
1027.5
1052.8
White
42
21
1
20
21.5
51.2
10.1
1018.8
1028.9
Black
42
23
0
19
23.0
54.8
40.5
1036.2
1076.7
Rapid
All
9
3
0
6
3.0
33.3
-141.7
1073.6
931.9
White
5
2
0
3
2.0
40.0
-85.0
1019.7
934.7
Black
4
1
0
3
1.0
25.0
-212.5
1141.0
928.5
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1060096802
Jones, E (Ethan)
3
2.0
2
0
1
66.7
760.8
141.7
902.5
View list
2
105085038
Gibbens, JJW (James)
3
0.0
0
0
3
0.0
826.5
-425.0
401.5
View list
3
108088044
Deans, J (Jarred)
2
1.0
1
0
1
50.0
624.8
0.0
624.8
View list
4
205079715
Evans, R (Robyn)
2
1.0
1
0
1
50.0
828.0
0.0
828.0
View list
5
206088651
Bothma, L (Liandri)
1
1.0
1
0
0
100.0
900.2
425.0
1325.2
View list
6
105088026
Black, B (Brayden)
1
1.0
1
0
0
100.0
1113.2
425.0
1538.2
View list
7
1070097358
Bell, S (Shaune)
1
1.0
1
0
0
100.0
1113.2
425.0
1538.2
View list
8
1080108607
Coetzee, C (Conlinn)
1
1.0
1
0
0
100.0
1082.0
425.0
1507.0
View list
9
1070108325
Cilliers, R (Ruben)
1
1.0
1
0
0
100.0
1137.8
425.0
1562.8
View list
10
2050106511
De Lange, C (Cheleike)
1
1.0
1
0
0
100.0
1113.2
425.0
1538.2
View list
11
108092345
Dreyer, NJ (Nicolaas)
1
1.0
1
0
0
100.0
900.2
425.0
1325.2
View list
12
1050099234
Albrecht, E (Eben)
1
1.0
1
0
0
100.0
680.2
425.0
1105.2
View list
13
106066234
Fillis, J (Jared)
1
1.0
1
0
0
100.0
975.7
425.0
1400.7
View list
14
107079669
Fuhri, R (Ruben)
1
1.0
1
0
0
100.0
1133.4
425.0
1558.4
View list
15
109083426
Gerber, J (Juandre)
1
1.0
1
0
0
100.0
1038.1
425.0
1463.1
View list
16
105083300
Gopakumar, A (Akhil)
1
1.0
1
0
0
100.0
975.7
425.0
1400.7
View list
17
112089895
Govender, P (Pranau)
1
1.0
1
0
0
100.0
900.2
425.0
1325.2
View list
18
1120109890
Grahan, T (Tylo)
1
1.0
1
0
0
100.0
1129.8
425.0
1554.8
View list
19
105059135
Greyling, S (Schalk)
1
1.0
1
0
0
100.0
1018.9
425.0
1443.9
View list
20
209083780
Grootboom, C (Chante)
1
1.0
1
0
0
100.0
1038.1
425.0
1463.1
View list