Chess South Africa
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Chess South Africa
Van Der Merwe, E (Ethan)
Dob:
2011/09/17 (U14)
Gender:
Male
Chess SA id:
111092813
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/03/04 (440 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
1192.2
Curent Weighted rating
1190.5
Curent Weighted performance
679.8
Current official/published rating (highest between Raw, WR and WP)
1192.2
Current floor (min rating allowed)
836.7
Current highest rating achieved
1336.7
Current K-factor
36
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)
±167.7
Current Raw change used (final)
0.0
Projected new Raw rating
1192.2
Projected new Weighed rating
1190.8
Projected new Weighted performance
679.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1192.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1336.7
Projected new floor
836.7
Projected new K-facor
36
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
1158.0
Curent Weighted rating
1158.0
Curent Weighted performance
470.2
Current official/published rating (highest between Raw, WR and WP)
1158.0
Current floor (min rating allowed)
828.0
Current highest rating achieved
1328.0
Current K-factor
36
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)
±176.0
Current Raw change used (final)
0.0
Projected new Raw rating
1158.0
Projected new Weighed rating
1158.0
Projected new Weighted performance
470.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1158.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1328.0
Projected new floor
828.0
Projected new K-facor
36
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
1233.6
Curent Weighted rating
1228.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.6
Current floor (min rating allowed)
733.6
Current highest rating achieved
1233.6
Current K-factor
36
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)
±158.1
Current Raw change used (final)
0.0
Projected new Raw rating
1233.6
Projected new Weighed rating
1229.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1233.6
Projected new floor
733.6
Projected new K-facor
36
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
733.6
Current highest rating achieved
1200.0
Current K-factor
36
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
733.6
Projected new K-facor
36
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
25
Courtrai Midas Rapid 2023 (U12)
2023/03/04
2023/03/04
Cape Winelands (WCW)
Rapid
13
0.35
5
5
3.0
1180.6
1200.0
Analysis
24
2019 South African Junior Team Championships (U10B)
2020/01/08
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1159.4
1133.9
Analysis
23
JNW Club - Maragon Open 2019 (D)
2019/08/03
2019/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1204.2
1190.1
Analysis
22
JHB Metro Closed 2019 (U10)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.0
1096.1
1061.0
Analysis
21
Chessnuts Under 1200 Rated Tournament 2019 (Knights)
2019/07/13
2019/07/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1096.1
1061.0
Analysis
20
Fonties Challange 2019 (U9)
2019/06/08
2019/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1111.9
1081.5
Analysis
19
The Metro Open 2019 (Cadets)
2019/05/25
2019/05/25
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
2.5
1095.7
1057.4
Analysis
18
2019 South African Junior Closed Chess Championship (U8 Open)
2019/03/17
2019/03/22
Chess South Africa (CSA)
Standard
120
1.00
9
9
3.5
1135.7
1096.6
Analysis
17
2019 Waterkloof Open (C)
2019/03/02
2019/03/03
Tshwane (GTP)
Standard
90
0.94
5
3
0.0
1135.7
1096.6
Analysis
16
2019 Blou Bul (C)
2019/02/16
2019/02/16
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1263.6
1239.5
Analysis
15
GoForChess - Introduction to chess tournament 2019
2019/02/10
2019/02/10
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1263.6
1239.5
Analysis
14
Chessnuts Challenge 1 2019 (Kings)
2019/02/02
2019/02/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1263.6
1239.5
Analysis
13
JNW Club - Bryanston Open 1 2019 (U10)
2019/01/26
2019/01/26
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1314.1
1299.6
Analysis
12
South African Junior Team Championships 2018 (U8A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
6.0
1248.6
1222.9
Analysis
11
Chessnuts November 2018 (A)
2018/11/17
2018/11/17
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.0
1336.7
1328.0
Analysis
10
Inter Region GE vs JHB Metro 2018 (U8)
2018/10/06
2018/10/06
Ekurhuleni (GE)
Standard
60
0.83
5
4
4.0
1273.3
1268.6
Analysis
9
Chessnuts Spring 2018 (Knights)
2018/09/29
2018/09/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1268.2
1262.5
Analysis
8
GoForChess Saheti Junior Chess Championships 2018 (U8+U10)
2018/09/22
2018/09/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1268.2
1262.5
Analysis
7
JNW Club - Maragon Open 2018 (U8)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1245.0
1237.6
Analysis
6
JHB Metro Junior Closed 2018 (U8)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
4.0
1200.3
1206.8
Analysis
1
2
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
131
65
5
61
67.5
51.5
13.0
1157.3
1170.2
White
65
36
2
27
37.0
56.9
58.8
1164.3
1223.1
Black
66
29
3
34
30.5
46.2
-32.2
1150.4
1118.2
Standard
All
126
62
5
59
64.5
51.2
10.1
1153.8
1163.9
White
63
34
2
27
35.0
55.6
47.2
1161.2
1208.4
Black
63
28
3
32
29.5
46.8
-27.0
1146.3
1119.3
Rapid
All
5
3
0
2
3.0
60.0
85.0
1245.2
1330.2
White
2
2
0
0
2.0
100.0
425.0
1259.8
1684.8
Black
3
1
0
2
1.0
33.3
-141.7
1235.5
1093.8
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
111092267
D`Alton, E (Ezra)
7
2.5
2
1
4
35.7
1220.7
-121.4
1099.3
View list
2
111092705
Moonsammy, E (Ethan)
4
0.0
0
0
4
0.0
1219.5
-425.0
794.5
View list
3
1120104109
Bowers, M (Mpho)
3
2.0
2
0
1
66.7
1262.6
141.7
1404.2
View list
4
1110103542
Marais, E (Enzo)
3
2.0
2
0
1
66.7
1170.8
141.7
1312.5
View list
5
1110097852
Bezuidenhout, D (Dawid)
3
0.5
0
1
2
16.7
1160.0
-283.3
876.7
View list
6
1120106564
Bennie, T (Thomas)
2
2.0
2
0
0
100.0
1148.2
425.0
1573.2
View list
7
1110099533
Buys, B (Boaz)
2
2.0
2
0
0
100.0
1192.2
425.0
1617.2
View list
8
212091698
Chinoruma, K (Kupa)
2
2.0
2
0
0
100.0
1200.2
425.0
1625.2
View list
9
2110107817
Onyemah, I (Ifeoma)
2
2.0
2
0
0
100.0
1213.0
425.0
1638.0
View list
10
1090100329
Mitchell, D (Dylan)
2
1.0
1
0
1
50.0
1182.2
0.0
1182.2
View list
11
112089895
Govender, P (Pranau)
2
0.0
0
0
2
0.0
1236.2
-425.0
811.2
View list
12
1100103439
Mungal, E (Ethan)
2
0.0
0
0
2
0.0
1095.9
-425.0
670.9
View list
13
211085191
Naidoo, K (Kajol)
2
0.0
0
0
2
0.0
1290.8
-425.0
865.8
View list
14
1120096779
Yang, JD (Daniel)
2
0.0
0
0
2
0.0
1256.1
-425.0
831.1
View list
15
1100106583
Couloubis, P (Pano)
1
1.0
1
0
0
100.0
1268.2
425.0
1693.2
View list
16
1110103541
Comara, M (Michael)
1
1.0
1
0
0
100.0
1183.7
425.0
1608.7
View list
17
210075196
Chauke, N (Nosipho)
1
1.0
1
0
0
100.0
1096.1
425.0
1521.1
View list
18
1110097777
Britz, JD (Jakobus)
1
1.0
1
0
0
100.0
1135.7
425.0
1560.7
View list
19
1110108729
Breed, M (Mattys)
1
1.0
1
0
0
100.0
1180.6
425.0
1605.6
View list
20
1110098219
Davis, D (Dante)
1
1.0
1
0
0
100.0
1273.3
425.0
1698.3
View list