Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Oerson, E (Ej)
Dob:
2002/11/18 (Adult)
Gender:
Male
Chess SA id:
1020119388
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/10/21 (211 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
1158.5
Curent Weighted rating
1154.9
Curent Weighted performance
877.4
Current official/published rating (highest between Raw, WR and WP)
1158.5
Current floor (min rating allowed)
682.7
Current highest rating achieved
1182.7
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)
±175.9
Current Raw change used (final)
0.0
Projected new Raw rating
1158.5
Projected new Weighed rating
1156.5
Projected new Weighted performance
877.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1158.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1182.7
Projected new floor
682.7
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
1226.4
Curent Weighted rating
1219.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1226.4
Current floor (min rating allowed)
726.4
Current highest rating achieved
1226.4
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)
±159.7
Current Raw change used (final)
0.0
Projected new Raw rating
1226.4
Projected new Weighed rating
1220.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1226.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1226.4
Projected new floor
726.4
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
1074.8
Curent Weighted rating
1078.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1078.7
Current floor (min rating allowed)
659.2
Current highest rating achieved
1159.2
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)
±198.2
Current Raw change used (final)
0.0
Projected new Raw rating
1074.8
Projected new Weighed rating
1079.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1079.4
Projected effective change (new Official - current Official)
+0.7
Projected new highest rating
1159.2
Projected new floor
659.2
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
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)
659.2
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
659.2
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
8
Bonnievale Open Rapid 2023 (Intermediate)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
1.0
1182.7
1107.2
Analysis
7
Strategema 2023 (Open)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1146.8
1193.2
Analysis
6
Langeberg Schools Chess Trials 2023 (Open)
2023/02/11
2023/02/11
Cape Winelands (WCW)
Rapid
30
0.60
3
3
3.0
1095.7
1017.2
Analysis
5
Robertson Strategema Club 2022 (Open)
2022/10/29
2022/10/29
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1080.4
1200.0
Analysis
4
Strategema Chess Festival 2022 (Open)
2022/05/14
2022/05/14
Cape Winelands (WCW)
Rapid
30
0.60
3
3
1.0
1084.7
1016.0
Analysis
3
Robertson Chess 2020 (U19)
2020/03/07
2020/03/07
Cape Winelands (WCW)
Rapid
30
0.60
5
5
0.5
1129.6
1083.2
Analysis
2
Cape Winelands Schools Trials 1 2020 (U18 Boys)
2020/02/15
2020/02/15
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.0
1173.8
1159.2
Analysis
1
Robertson Strategema 2019 (U17)
2019/10/05
2019/10/05
Cape Winelands (WCW)
Rapid
30
0.60
5
4
1.0
1200.0
1200.0
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
36
12
1
23
12.5
34.7
-129.9
1206.7
1076.9
White
19
7
0
12
7.0
36.8
-111.8
1215.0
1103.1
Black
17
5
1
11
5.5
32.4
-150.0
1197.5
1047.5
Standard
All
9
4
0
5
4.0
44.4
-47.2
1316.0
1268.8
White
5
2
0
3
2.0
40.0
-85.0
1372.0
1287.0
Black
4
2
0
2
2.0
50.0
0.0
1246.0
1246.0
Rapid
All
27
8
1
18
8.5
31.5
-157.4
1170.3
1012.9
White
14
5
0
9
5.0
35.7
-121.4
1158.9
1037.5
Black
13
3
1
9
3.5
26.9
-196.2
1182.6
986.4
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
1890139702
Grater, R (Robert)
2
1.0
1
0
1
50.0
1115.8
0.0
1115.8
View list
2
1030119386
Friesland, A (Ashwin)
2
0.0
0
0
2
0.0
1164.8
-425.0
739.8
View list
3
199059356
Swanepoel, A (Aschwin)
2
0.0
0
0
2
0.0
1133.7
-425.0
708.7
View list
4
1030119387
Du Preez, J (Jean-Jacque)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2990156949
Geldenhuis, C (Chine)
1
1.0
1
0
0
100.0
1146.8
425.0
1571.8
View list
6
1030132403
Adolf, C (Clifford)
1
1.0
1
0
0
100.0
1173.8
425.0
1598.8
View list
7
1910100534
Levendal, I (Ivaan)
1
1.0
1
0
0
100.0
1146.8
425.0
1571.8
View list
8
1020140976
Lundt, C (Clinton)
1
1.0
1
0
0
100.0
1084.7
425.0
1509.7
View list
9
1000147004
Oostendorff, J (Juandre Keith)
1
1.0
1
0
0
100.0
1095.7
425.0
1520.7
View list
10
1020149836
Smit, A (Angelo)
1
1.0
1
0
0
100.0
1095.7
425.0
1520.7
View list
11
1650119397
Thompson, W (William)
1
1.0
1
0
0
100.0
1095.7
425.0
1520.7
View list
12
103059062
Tshindeni, A (Avugile)
1
1.0
1
0
0
100.0
1173.8
425.0
1598.8
View list
13
1800119394
Uys, J (Jacques)
1
1.0
1
0
0
100.0
1080.4
425.0
1505.4
View list
14
1850147574
Van Niekerk, J (Johan)
1
1.0
1
0
0
100.0
1182.7
425.0
1607.7
View list
15
1040119382
Oerson, H (Herlon)
1
0.5
0
1
0
50.0
1129.6
0.0
1129.6
View list
16
1020097137
Oerson, M (Marcello)
1
0.0
0
0
1
0.0
1129.6
-425.0
704.6
View list
17
1060097568
Mizen, D (Daniel)
1
0.0
0
0
1
0.0
1182.7
-425.0
757.7
View list
18
104072643
Madolo, S (Siyolise)
1
0.0
0
0
1
0.0
1173.8
-425.0
748.8
View list
19
1070137714
Lirafu, S (Siyambonga)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list
20
1040132415
Kuhn, J (Jp)
1
0.0
0
0
1
0.0
1129.6
-425.0
704.6
View list