Chess South Africa
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Chess South Africa
Opperman, E (Eldon)
Dob:
2006/08/07 (U20)
Gender:
Male
Chess SA id:
106080775
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/03/24 (50 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
1248.2
Curent Weighted rating
1143.8
Curent Weighted performance
1187.9
Current official/published rating (highest between Raw, WR and WP)
1248.2
Current floor (min rating allowed)
748.2
Current highest rating achieved
1248.2
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)
±154.8
Current Raw change used (final)
0.0
Projected new Raw rating
1248.2
Projected new Weighed rating
1154.3
Projected new Weighted performance
1187.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1248.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1248.2
Projected new floor
748.2
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
1218.7
Curent Weighted rating
1103.5
Curent Weighted performance
1186.1
Current official/published rating (highest between Raw, WR and WP)
1218.7
Current floor (min rating allowed)
718.7
Current highest rating achieved
1218.7
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)
±161.5
Current Raw change used (final)
0.0
Projected new Raw rating
1218.7
Projected new Weighed rating
1114.4
Projected new Weighted performance
1186.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1218.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1218.7
Projected new floor
718.7
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
1265.2
Curent Weighted rating
892.2
Curent Weighted performance
1231.5
Current official/published rating (highest between Raw, WR and WP)
1265.2
Current floor (min rating allowed)
765.2
Current highest rating achieved
1265.2
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)
±151.1
Current Raw change used (final)
0.0
Projected new Raw rating
1265.2
Projected new Weighed rating
930.0
Projected new Weighted performance
1231.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1265.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1265.2
Projected new floor
765.2
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
598.4
Curent Weighted rating
515.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
598.4
Current floor (min rating allowed)
765.2
Current highest rating achieved
598.4
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)
±390.7
Current Raw change used (final)
0.0
Projected new Raw rating
598.4
Projected new Weighed rating
522.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
598.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
598.4
Projected new floor
765.2
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Western Cape Inter Region Cup 2024 (U20 Boys)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
0.0
1219.8
1116.3
Analysis
5
Western Cape Inter Region Cup 2024 (Blitz)
2024/03/22
2024/03/22
Overberg (WOS)
Blitz
5
0.18
7
7
2.5
1219.8
500.0
Analysis
4
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.0
1219.8
1116.3
Analysis
3
Overberg High Schools Trails 2024 (U18 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1219.8
1116.3
Analysis
2
Overberg High Schools Trails 2024 (U18)
2024/02/24
2024/02/24
Overberg (WOS)
Rapid
20
0.47
5
5
3.5
1175.6
949.2
Analysis
1
Overberg Open Rapid 2024 (U19)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
4.0
1142.5
801.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
19
Western Cape Inter Region Cup 2024 (U20 Boys)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
0.0
1219.8
1116.3
Analysis
18
Western Cape Inter Region Cup 2024 (Blitz)
2024/03/22
2024/03/22
Overberg (WOS)
Blitz
5
0.18
7
7
2.5
1219.8
500.0
Analysis
17
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.0
1219.8
1116.3
Analysis
16
Overberg High Schools Trails 2024 (U18 Boys)
2024/03/02
2024/03/02
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1219.8
1116.3
Analysis
15
Overberg High Schools Trails 2024 (U18)
2024/02/24
2024/02/24
Overberg (WOS)
Rapid
20
0.47
5
5
3.5
1175.6
949.2
Analysis
14
Overberg Open Rapid 2024 (U19)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
4.0
1142.5
801.2
Analysis
13
Overberg Top Schools 2023 (U15+U18)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1088.4
1036.7
Analysis
12
Overberg High School Closed 2023 (U17 Boys)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
4
1.5
1083.8
1022.7
Analysis
11
Overberg High Schools Trails 2023 (U17)
2023/02/24
2023/02/24
Overberg (WOS)
Rapid
15
0.39
5
5
2.5
1046.9
583.6
Analysis
10
Overberg Schools Open Tournament 2023 (U18)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
3.0
1046.9
583.6
Analysis
9
Overberg Topskole 2022 (O18)
2022/08/30
2022/08/30
Overberg (WOS)
Standard
60
0.83
5
5
0.0
1129.2
1132.3
Analysis
8
Overberg Schools Trials 2021 (U15+U18 Boys)
2021/09/18
2021/09/18
Overberg (WOS)
Rapid
30
0.60
5
5
2.5
1123.4
500.0
Analysis
7
Overberg Closed 2020 (U15 Boys)
2020/03/15
2020/03/15
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1082.9
1079.9
Analysis
6
Bontebok 2019 (U14)
2019/09/17
2019/09/17
Overberg (WOS)
Standard
60
0.83
5
5
3.0
999.5
996.1
Analysis
5
Overberg Club Champs 2019 (A)
2019/06/15
2019/06/15
Overberg (WOS)
Standard
60
0.83
5
4
1.0
855.2
906.4
Analysis
4
Western Cape Schools Individuals 2019 (U13 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
2.0
806.4
864.4
Analysis
3
Overberg School Chess Close Champs 2019 (U13 Boys)
2019/03/08
2019/03/09
Overberg (WOS)
Standard
60
0.83
6
6
4.0
687.5
726.0
Analysis
2
Overberg Chess 1st Trial 2018 (B)
2018/04/14
2018/04/14
Overberg (WOS)
Standard
60
0.83
5
5
3.0
588.6
606.8
Analysis
1
Overberg Schools Closed 2018 (U13 Boys)
2018/03/23
2018/03/24
Overberg (WOS)
Standard
60
0.83
6
6
3.0
500.0
500.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
33
15
2
16
16.0
48.5
-12.9
1345.6
1332.7
White
18
6
1
11
6.5
36.1
-118.1
1357.4
1239.3
Black
15
9
1
5
9.5
63.3
113.3
1331.5
1444.9
Standard
All
16
6
0
10
6.0
37.5
-106.3
1377.7
1271.5
White
8
1
0
7
1.0
12.5
-318.8
1456.8
1138.1
Black
8
5
0
3
5.0
62.5
106.3
1298.7
1404.9
Rapid
All
10
7
1
2
7.5
75.0
212.5
1222.8
1435.3
White
6
4
1
1
4.5
75.0
212.5
1175.7
1388.2
Black
4
3
0
1
3.0
75.0
212.5
1293.4
1505.9
Blitz
All
7
2
1
4
2.5
35.7
-121.4
1447.7
1326.2
White
4
1
0
3
1.0
25.0
-212.5
1430.9
1218.4
Black
3
1
1
1
1.5
50.0
0.0
1470.0
1470.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
99
45
5
49
47.5
48.0
-17.2
1224.5
1207.3
White
52
22
2
28
23.0
44.2
-49.0
1247.2
1198.2
Black
47
23
3
21
24.5
52.1
18.1
1199.3
1217.4
Standard
All
67
29
1
37
29.5
44.0
-50.7
1210.1
1159.3
White
33
12
0
21
12.0
36.4
-115.9
1253.5
1137.6
Black
34
17
1
16
17.5
51.5
12.5
1167.9
1180.4
Rapid
All
25
14
3
8
15.5
62.0
102.0
1200.6
1302.6
White
15
9
2
4
10.0
66.7
141.7
1184.4
1326.0
Black
10
5
1
4
5.5
55.0
42.5
1225.0
1267.5
Blitz
All
7
2
1
4
2.5
35.7
-121.4
1447.7
1326.2
White
4
1
0
3
1.0
25.0
-212.5
1430.9
1218.4
Black
3
1
1
1
1.5
50.0
0.0
1470.0
1470.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106088984
Jonas, SG (Sue-Win)
5
1.0
1
0
4
20.0
1059.0
-255.0
804.0
View list
2
1060106598
Du Plessis, LJ (Lodewyk Johannes)
2
2.0
2
0
0
100.0
1159.0
425.0
1584.0
View list
3
106091562
Joubert, A (Antonio)
2
2.0
2
0
0
100.0
885.2
425.0
1310.2
View list
4
2060150689
Marinus, L (Letecia)
2
2.0
2
0
0
100.0
1046.9
425.0
1471.9
View list
5
2060159264
Van Der Westhuizen, S (Shandre)
2
2.0
2
0
0
100.0
1115.5
425.0
1540.5
View list
6
1060152608
Laubscher, E (Erick)
2
1.5
1
1
0
75.0
1151.8
212.5
1364.3
View list
7
106091575
Pekeur, W (Warren)
2
1.0
1
0
1
50.0
814.6
0.0
814.6
View list
8
1070103086
Waldeck, S (Stanvil)
2
1.0
1
0
1
50.0
1061.5
0.0
1061.5
View list
9
1060152224
Damons, K (Keagon)
2
0.5
0
1
1
25.0
1065.3
-212.5
852.8
View list
10
1060138411
Harmse, D (Deon)
2
0.0
0
0
2
0.0
1067.7
-425.0
642.7
View list
11
104085328
Mostert, R (Remi)
2
0.0
0
0
2
0.0
1126.3
-425.0
701.3
View list
12
107080793
Stander, D (Divan)
2
0.0
0
0
2
0.0
836.2
-425.0
411.2
View list
13
1080151272
Valla, D (Dante)
2
0.0
0
0
2
0.0
1219.8
-425.0
794.8
View list
14
1080152205
Booysen, W (Will-Matthew)
1
1.0
1
0
0
100.0
1088.4
425.0
1513.4
View list
15
208084107
Beveridge, TG (Talitha)
1
1.0
1
0
0
100.0
1175.6
425.0
1600.6
View list
16
206091564
Bester, E (Emma)
1
1.0
1
0
0
100.0
1142.5
425.0
1567.5
View list
17
1090159250
Bantam, J (Jaden-Leigh)
1
1.0
1
0
0
100.0
1088.4
425.0
1513.4
View list
18
2140134825
Avontuur, A (Al-Meeche)
1
1.0
1
0
0
100.0
1219.8
425.0
1644.8
View list
19
106084114
Arison, M (Matthew)
1
1.0
1
0
0
100.0
687.5
425.0
1112.5
View list
20
1070110749
Botha, S (Simeon)
1
1.0
1
0
0
100.0
1219.8
425.0
1644.8
View list