Chess South Africa
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Chess South Africa
Oberholzer, E (Ethan)
Dob:
2002/12/05 (Adult)
Gender:
Male
Chess SA id:
102094361
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (62 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
1260.4
Curent Weighted rating
1266.2
Curent Weighted performance
1155.3
Current official/published rating (highest between Raw, WR and WP)
1266.2
Current floor (min rating allowed)
819.0
Current highest rating achieved
1319.0
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)
±152.1
Current Raw change used (final)
0.0
Projected new Raw rating
1260.4
Projected new Weighed rating
1266.0
Projected new Weighted performance
1155.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1266.0
Projected effective change (new Official - current Official)
-0.2
Projected new highest rating
1319.0
Projected new floor
819.0
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
1272.6
Curent Weighted rating
1262.7
Curent Weighted performance
1154.5
Current official/published rating (highest between Raw, WR and WP)
1272.6
Current floor (min rating allowed)
815.5
Current highest rating achieved
1315.5
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)
±149.5
Current Raw change used (final)
0.0
Projected new Raw rating
1272.6
Projected new Weighed rating
1264.0
Projected new Weighted performance
1154.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1272.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1315.5
Projected new floor
815.5
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
1181.3
Curent Weighted rating
1197.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1197.1
Current floor (min rating allowed)
700.0
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)
±170.3
Current Raw change used (final)
0.0
Projected new Raw rating
1181.3
Projected new Weighed rating
1195.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1195.7
Projected effective change (new Official - current Official)
-1.4
Projected new highest rating
1200.0
Projected new floor
700.0
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
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)
700.0
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
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Wits 1st Trials 2024
2024/03/16
2024/03/16
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1274.7
1200.0
Analysis
1
JMC Kick Off Tournament 2024 (B)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1281.0
1278.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
Wits 1st Trials 2024
2024/03/16
2024/03/16
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1274.7
1200.0
Analysis
25
JMC Kick Off Tournament 2024 (B)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1281.0
1278.0
Analysis
24
JMC Trinity Little Falls 2023 (B)
2023/07/02
2023/07/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1241.6
1229.0
Analysis
23
Alberton Chess Club Tournament 1 2023 (B)
2023/04/15
2023/04/15
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1243.4
1230.8
Analysis
22
Laerkool Midvaal Chess Open 2023 (A)
2023/01/28
2023/01/28
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1247.6
1233.3
Analysis
21
Ekurhuleni Chess Springs Club Open 2022 (B)
2022/09/03
2022/09/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1274.2
1264.3
Analysis
20
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
10
4.0
1277.1
1266.8
Analysis
19
2022 Gauteng Interregion (U20 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1261.9
1249.2
Analysis
18
Ekurhuleni Chess Open 2022 (B)
2022/01/08
2022/01/09
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1273.0
1260.4
Analysis
17
Ekurhuleni Trials (3) 2021 (U18+U20)
2021/11/06
2021/11/06
Ekurhuleni (GE)
Standard
62
0.84
5
5
1.0
1319.0
1315.5
Analysis
16
Pinnacle College Waterfall Open (Pinnacle)
2021/10/02
2021/10/03
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.5
1293.3
1292.5
Analysis
15
Ekurhuleni Chess Chessa Open 2021 (B)
2021/03/27
2021/03/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1265.5
1257.9
Analysis
14
2019 Wild Card Chess Championship (U18 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1255.1
1244.2
Analysis
13
2019 South African Junior Team Championships (U18C)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
6
4.0
1255.1
1244.2
Analysis
12
GE vs GSV Inter Regional 2019 (U18A)
2019/10/26
2019/10/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1283.8
1279.1
Analysis
11
2019 Boksburg Chess Club Round Robin (H)
2019/09/28
2019/09/28
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1247.6
1242.7
Analysis
10
Ekurhuleni Grand Prix 2019 (B)
2019/09/14
2019/09/14
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1247.6
1242.7
Analysis
9
Springs Open 2019 (B)
2019/08/31
2019/08/31
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1164.2
1159.2
Analysis
8
Bishop Bavin Open 2019 (B)
2019/08/17
2019/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1164.2
1159.2
Analysis
7
Ekurhuleni Trials (3) 2019 (U18+U20)
2019/06/08
2019/06/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1176.8
1172.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
4
0
6
4.0
40.0
-85.0
1298.3
1213.3
White
6
3
0
3
3.0
50.0
0.0
1297.5
1297.5
Black
4
1
0
3
1.0
25.0
-212.5
1299.6
1087.1
Standard
All
5
2
0
3
2.0
40.0
-85.0
1341.2
1256.2
White
3
2
0
1
2.0
66.7
141.7
1308.1
1449.7
Black
2
0
0
2
0.0
0.0
-425.0
1390.8
965.8
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1255.5
1170.5
White
3
1
0
2
1.0
33.3
-141.7
1286.8
1145.2
Black
2
1
0
1
1.0
50.0
0.0
1208.4
1208.4
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
139
56
11
72
61.5
44.2
-48.9
1285.9
1237.0
White
69
32
6
31
35.0
50.7
6.2
1272.8
1279.0
Black
70
24
5
41
26.5
37.9
-103.2
1298.8
1195.6
Standard
All
134
54
11
69
59.5
44.4
-47.6
1287.0
1239.5
White
66
31
6
29
34.0
51.5
12.9
1272.2
1285.1
Black
68
23
5
40
25.5
37.5
-106.3
1301.5
1195.2
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1255.5
1170.5
White
3
1
0
2
1.0
33.3
-141.7
1286.8
1145.2
Black
2
1
0
1
1.0
50.0
0.0
1208.4
1208.4
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
1030109159
Nkomo, B (Ben)
4
0.5
0
1
3
12.5
1160.0
-318.8
841.2
View list
2
1030109163
Fortuin, J (Jeraldo)
3
3.0
3
0
0
100.0
1199.7
425.0
1624.7
View list
3
102050406
Slawson, G (Gregory)
3
0.0
0
0
3
0.0
1186.0
-425.0
761.0
View list
4
173004580
Chikwava, R (Ronald)
2
2.0
2
0
0
100.0
1285.2
425.0
1710.2
View list
5
2030107780
Maritz, C (Christelle)
2
2.0
2
0
0
100.0
1287.0
425.0
1712.0
View list
6
109081098
Naidoo, K (Kirthan)
2
1.0
1
0
1
50.0
1229.9
0.0
1229.9
View list
7
106067324
Aldum, R (Rocco)
2
0.0
0
0
2
0.0
1194.9
-425.0
769.9
View list
8
1020104104
Bezuidenhout, LP (Lian)
2
0.0
0
0
2
0.0
1165.7
-425.0
740.7
View list
9
104086479
Hlongwane, B (Blessing)
2
0.0
0
0
2
0.0
1250.0
-425.0
825.0
View list
10
103046660
Schroeder, D (Daniel)
2
0.0
0
0
2
0.0
1221.5
-425.0
796.5
View list
11
1030096304
Wilson, C (Caden)
2
0.0
0
0
2
0.0
1255.1
-425.0
830.1
View list
12
105082260
Botha, M (Marcus)
1
1.0
1
0
0
100.0
1261.9
425.0
1686.9
View list
13
1720107018
Daniel, G (Goshu)
1
1.0
1
0
0
100.0
1277.1
425.0
1702.1
View list
14
2010097350
Deans, J (Jessica)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
102002534
Bonthuyzen, MA (Michael)
1
1.0
1
0
0
100.0
1255.1
425.0
1680.1
View list
16
208066161
Bhika, J (Jyotikka)
1
1.0
1
0
0
100.0
1243.4
425.0
1668.4
View list
17
1050099265
Bepe, M (Munashe)
1
1.0
1
0
0
100.0
1166.5
425.0
1591.5
View list
18
1130130727
Badenhorst, M (Matthew)
1
1.0
1
0
0
100.0
1241.6
425.0
1666.6
View list
19
103095921
Diedericks, C (Christiaan)
1
1.0
1
0
0
100.0
1283.8
425.0
1708.8
View list
20
1080107800
Ebrahim, Z (Zachary)
1
1.0
1
0
0
100.0
1293.3
425.0
1718.3
View list