Chess South Africa
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Chess South Africa
De Villiers, E (Ethan)
Dob:
2006/09/08 (U20)
Gender:
Male
Chess SA id:
106078250
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (13 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
1310.9
Curent Weighted rating
1307.9
Curent Weighted performance
1221.3
Current official/published rating (highest between Raw, WR and WP)
1310.9
Current floor (min rating allowed)
822.9
Current highest rating achieved
1322.9
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.07
Difference (S-We)
-0.07
Current Raw change (no limits, including tournament time weight)
-2.1
Current min/max change allowed (with limits)
±141.6
Current Raw change used (final)
-2.1
Projected new Raw rating
1308.8
Projected new Weighed rating
1308.0
Projected new Weighted performance
1221.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1308.8
Projected effective change (new Official - current Official)
-2.1
Projected new highest rating
1322.9
Projected new floor
822.9
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
1288.8
Curent Weighted rating
1278.6
Curent Weighted performance
1185.2
Current official/published rating (highest between Raw, WR and WP)
1288.8
Current floor (min rating allowed)
813.7
Current highest rating achieved
1313.7
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.91
Difference (S-We)
0.09
Current Raw change (no limits, including tournament time weight)
3.2
Current min/max change allowed (with limits)
±146.1
Current Raw change used (final)
3.2
Projected new Raw rating
1292.0
Projected new Weighed rating
1279.5
Projected new Weighted performance
1185.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1292.0
Projected effective change (new Official - current Official)
+3.2
Projected new highest rating
1313.7
Projected new floor
813.7
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
1286.2
Curent Weighted rating
1129.2
Curent Weighted performance
808.4
Current official/published rating (highest between Raw, WR and WP)
1286.2
Current floor (min rating allowed)
786.2
Current highest rating achieved
1286.2
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)
±146.7
Current Raw change used (final)
0.0
Projected new Raw rating
1286.2
Projected new Weighed rating
1146.2
Projected new Weighted performance
808.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1286.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1286.2
Projected new floor
786.2
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
721.3
Curent Weighted rating
659.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
721.3
Current floor (min rating allowed)
786.2
Current highest rating achieved
721.3
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)
±328.0
Current Raw change used (final)
0.0
Projected new Raw rating
721.3
Projected new Weighed rating
666.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
721.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
721.3
Projected new floor
786.2
Projected new K-facor
40
Tournaments
History
Tournament:
BC Chess HS Trials 3 2024 (U18-Adult)
Start:
2024/05/04
End:
2024/05/04
Host:
EBC
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1310.9
Rating gain/loss:
-2.1
Type rating:
1288.8
Rating gain/loss:
3.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
BC Chess HS Trials 3 2024 (U18-Adult)
2024/05/04
2024/05/04
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1310.9
1288.8
Analysis
2
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1262.5
1220.4
Analysis
1
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
0.0
1322.9
1292.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
47
BC Chess HS Trials 3 2024 (U18-Adult)
2024/05/04
2024/05/04
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1310.9
1288.8
Analysis
46
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1262.5
1220.4
Analysis
45
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
0.0
1322.9
1292.4
Analysis
44
2nd BC Trials 2023 (U18-Adults)
2023/06/17
2023/06/17
Buffalo City (EBC)
Rapid
20
0.47
7
7
4.5
1308.7
981.7
Analysis
43
BC Chess Trials 1 of 5 2023 (U18A-Adult)
2023/04/29
2023/04/29
Buffalo City (EBC)
Standard
60
0.83
5
5
3.5
1297.9
1273.3
Analysis
42
Grey College Team Championship 2023 (A)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
2.5
1303.3
1280.1
Analysis
41
BC Chess Trials 5 of 5 2022 (A)
2022/06/11
2022/06/11
Buffalo City (EBC)
Rapid
12
0.33
10
9
4.5
1294.6
908.9
Analysis
40
BC Chess 4th Border Trials 2022 (A)
2022/05/21
2022/05/21
Buffalo City (EBC)
Rapid
12
0.33
10
10
4.5
1287.0
824.5
Analysis
39
South African Junior Closed Chess Championships 2022 (U16 Open)
2022/03/28
2022/04/02
Chess South Africa (CSA)
Standard
120
1.00
11
10
2.5
1317.8
1313.7
Analysis
38
BC Trials 3 2022 (U18A+U20A)
2022/03/05
2022/03/05
Buffalo City (EBC)
Standard
60
0.83
5
5
2.5
1273.1
1292.7
Analysis
37
Grey College Team Championship 2022 (A)
2022/02/18
2022/02/19
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
1210.4
1220.3
Analysis
36
BC Trials 1 2022 (U18A+Open)
2022/02/11
2022/02/11
Buffalo City (EBC)
Standard
60
0.83
5
5
3.5
1210.4
1220.3
Analysis
35
Big Buffalo Swiss Open and Junior Closed 2021
2021/09/11
2021/09/11
Buffalo City (EBC)
Standard
63
0.84
5
5
2.5
1177.7
1185.7
Analysis
34
BC Trials 2 2020 (U16A)
2020/03/07
2020/03/07
Buffalo City (EBC)
Standard
60
0.83
5
5
2.5
1187.0
1199.7
Analysis
33
BC Trials 1 2020 (U16A)
2020/02/22
2020/02/22
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1172.7
1187.1
Analysis
32
2019 South African Junior Team Championships (U14B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
2.5
1183.9
1205.8
Analysis
31
Vikings League 5 of 6 2019 (Open)
2019/10/12
2019/10/12
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1178.5
1200.8
Analysis
30
Vikings League 4 of 6 2019 (A)
2019/09/14
2019/09/14
Buffalo City (EBC)
Standard
60
0.83
5
4
0.0
1210.8
1247.2
Analysis
29
Vikings League 3 of 6 2019 (B)
2019/08/24
2019/08/24
Buffalo City (EBC)
Standard
60
0.83
5
5
4.0
1204.8
1262.3
Analysis
28
Vikings League 2 of 6 2019 (A)
2019/08/17
2019/08/17
Buffalo City (EBC)
Standard
60
0.83
5
5
1.0
1204.8
1262.3
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
6
0
9
6.0
40.0
-85.0
1355.3
1270.3
White
7
2
0
5
2.0
28.6
-182.1
1339.5
1157.3
Black
8
4
0
4
4.0
50.0
0.0
1369.1
1369.1
Standard
All
15
6
0
9
6.0
40.0
-85.0
1355.3
1270.3
White
7
2
0
5
2.0
28.6
-182.1
1339.5
1157.3
Black
8
4
0
4
4.0
50.0
0.0
1369.1
1369.1
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
258
103
28
127
117.0
45.3
-39.5
1186.3
1146.7
White
121
50
13
58
56.5
46.7
-28.1
1185.4
1157.3
Black
137
53
15
69
60.5
44.2
-49.6
1187.0
1137.4
Standard
All
191
75
23
93
86.5
45.3
-40.1
1175.9
1135.9
White
88
38
11
39
43.5
49.4
-4.8
1175.8
1171.0
Black
103
37
12
54
43.0
41.7
-70.1
1176.0
1105.8
Rapid
All
58
25
4
29
27.0
46.6
-29.3
1212.8
1183.5
White
29
11
2
16
12.0
41.4
-73.3
1200.5
1127.3
Black
29
14
2
13
15.0
51.7
14.7
1225.0
1239.7
Blitz
All
9
3
1
5
3.5
38.9
-94.4
1235.0
1140.6
White
4
1
0
3
1.0
25.0
-212.5
1286.4
1073.9
Black
5
2
1
2
2.5
50.0
0.0
1193.9
1193.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2060098046
Jacobs, E (Elsje)
7
5.5
5
1
1
78.6
1086.3
242.9
1329.2
View list
2
106065282
Meise, K (Keagen)
6
0.5
0
1
5
8.3
1104.0
-354.2
749.8
View list
3
1060105511
Marnitz, K (Keenan)
5
4.5
4
1
0
90.0
1237.7
340.0
1577.7
View list
4
110088674
Chang, S (Samuel)
5
1.0
1
0
4
20.0
1108.3
-255.0
853.3
View list
5
206044986
Wang, P-S (Pei-Shan)
5
0.5
0
1
4
10.0
1147.8
-340.0
807.8
View list
6
106066545
Matayo, L (Liyema)
4
3.0
3
0
1
75.0
1079.0
212.5
1291.5
View list
7
206044984
Qangule, MK (Mandibonge)
4
2.5
2
1
1
62.5
1205.3
106.3
1311.6
View list
8
106059113
Chang, S (Sebastian)
4
0.5
0
1
3
12.5
1041.6
-318.8
722.9
View list
9
105054349
Wang, I (Ikai)
4
0.5
0
1
3
12.5
736.2
-318.8
417.5
View list
10
106065267
Becker, M (Matthew)
4
0.0
0
0
4
0.0
1082.5
-425.0
657.5
View list
11
1070099423
Lin, C (Chenyi)
4
0.0
0
0
4
0.0
1157.2
-425.0
732.2
View list
12
204051811
Diemieniet, P (Phoebe)
3
3.0
3
0
0
100.0
1268.1
425.0
1693.1
View list
13
1060099424
Gwababa, L (Langa)
3
3.0
3
0
0
100.0
1071.4
425.0
1496.4
View list
14
108088680
Pearson, E (Ethan)
3
3.0
3
0
0
100.0
1267.0
425.0
1692.0
View list
15
208076314
Bixa, T (Tshegofatso)
3
2.0
2
0
1
66.7
1014.3
141.7
1155.9
View list
16
207065272
Dove, M (Megan)
3
2.0
2
0
1
66.7
1141.5
141.7
1283.1
View list
17
208065268
Beshe, A (Akhanye)
3
1.0
1
0
2
33.3
928.3
-141.7
786.7
View list
18
102016911
Labuschagne, C (Conrad)
3
1.0
1
0
2
33.3
1004.3
-141.7
862.7
View list
19
103088769
Rosso, T (Tyler)
3
1.0
1
0
2
33.3
1028.6
-141.7
886.9
View list
20
1070104009
Sibanda, T (Takudzwa)
3
1.0
1
0
2
33.3
1173.3
-141.7
1031.6
View list