Chess South Africa
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Chess South Africa
Van Rooyen, E (Ethan)
Dob:
2007/03/29 (U18)
Gender:
Male
Chess SA id:
1070141466
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/01/14 (154 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
Current Raw rating
1243.6
Current Weighted rating
1230.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1243.6
Current highest rating achieved
1243.6
Current floor (min rating allowed)
743.6
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)
±155.8
Current Raw change used (final)
0.0
Projected new Raw rating
1243.6
Projected new Weighed rating
1131.9
Projected new Weighted performance
678.9
Projected new final Raw rating (if new WP > new Raw)
1243.6
Projected new highest rating
1243.6
Projected new floor
743.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1243.6
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1229.9
Current Weighted rating
1211.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1229.9
Current highest rating achieved
1229.9
Current floor (min rating allowed)
729.9
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)
±158.9
Current Raw change used (final)
0.0
Projected new Raw rating
1229.9
Projected new Weighed rating
1114.5
Projected new Weighted performance
426.8
Projected new final Raw rating (if new WP > new Raw)
1229.9
Projected new highest rating
1229.9
Projected new floor
729.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1229.9
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1237.2
Current Weighted rating
1237.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1237.2
Current highest rating achieved
1237.2
Current floor (min rating allowed)
737.2
Current K-factor
36
s
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)
±157.3
Current Raw change used (final)
0.0
Projected new Raw rating
1237.2
Projected new Weighed rating
1138.2
Projected new Weighted performance
331.6
Projected new final Raw rating (if new WP > new Raw)
1237.2
Projected new highest rating
1237.2
Projected new floor
737.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1237.2
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Gauteng Inter-Region Chess Championship (LSEN)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1222.1
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
2024 Gauteng Inter-Region Chess Championship (LSEN)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1222.1
1200.0
Analysis
1
Gauteng Schools Disabiltity Chess Festival 2022 (High School)
2022/05/28
2022/05/28
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
0
2
3.0
60.0
85.0
1266.8
1351.8
White
3
2
0
1
2.0
66.7
141.7
1268.2
1409.9
Black
2
1
0
1
1.0
50.0
0.0
1264.8
1264.8
Standard
All
5
3
0
2
3.0
60.0
85.0
1266.8
1351.8
White
3
2
0
1
2.0
66.7
141.7
1268.2
1409.9
Black
2
1
0
1
1.0
50.0
0.0
1264.8
1264.8
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
10
7
0
3
7.0
70.0
170.0
1175.3
1345.3
White
6
4
0
2
4.0
66.7
141.7
1241.4
1383.0
Black
4
3
0
1
3.0
75.0
212.5
1076.3
1288.8
Standard
All
5
3
0
2
3.0
60.0
85.0
1266.8
1351.8
White
3
2
0
1
2.0
66.7
141.7
1268.2
1409.9
Black
2
1
0
1
1.0
50.0
0.0
1264.8
1264.8
Rapid
All
5
4
0
1
4.0
80.0
255.0
1083.8
1338.8
White
3
2
0
1
2.0
66.7
141.7
1214.5
1356.2
Black
2
2
0
0
2.0
100.0
425.0
887.7
1312.7
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
103084405
Kopa, K (Katlego)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1060141441
Dhlamini, K (Kamohelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1050106647
Zimunya, T (Tumisho)
1
1.0
1
0
0
100.0
1222.1
425.0
1647.1
View list
4
1060115194
Senda, N (Nhlanhla)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1100157350
Seeri, M (Modise)
1
1.0
1
0
0
100.0
1222.1
425.0
1647.1
View list
6
1040102083
Schutte, R (Rohan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1050115379
Rottcher, K (Keenan)
1
1.0
1
0
0
100.0
1222.1
425.0
1647.1
View list
8
1030115372
Ndlovu, M (Mpumelelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1070191605
Loukidis, L (Lucian)
1
0.0
0
0
1
0.0
1222.1
-425.0
797.1
View list
10
1060130006
Kruger, J (Joshua)
1
0.0
0
0
1
0.0
1222.1
-425.0
797.1
View list