Chess South Africa
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Chess South Africa
Oosthuizen, E (Ethan)
Dob:
2010/02/15 (U16)
Gender:
Male
Chess SA id:
1100135522
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/03/22 (42 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
1565.9
Curent Weighted rating
1517.1
Curent Weighted performance
1554.0
Current official/published rating (highest between Raw, WR and WP)
1565.9
Current floor (min rating allowed)
1065.9
Current highest rating achieved
1565.9
Current K-factor
32
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)
±98.5
Current Raw change used (final)
0.0
Projected new Raw rating
1565.9
Projected new Weighed rating
1522.4
Projected new Weighted performance
1554.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1565.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1565.9
Projected new floor
1065.9
Projected new K-facor
32
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
1532.5
Curent Weighted rating
1513.4
Curent Weighted performance
1515.6
Current official/published rating (highest between Raw, WR and WP)
1532.5
Current floor (min rating allowed)
1074.6
Current highest rating achieved
1574.6
Current K-factor
32
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)
±103.2
Current Raw change used (final)
0.0
Projected new Raw rating
1532.5
Projected new Weighed rating
1516.6
Projected new Weighted performance
1515.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1532.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1574.6
Projected new floor
1074.6
Projected new K-facor
32
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
1441.1
Curent Weighted rating
1355.5
Curent Weighted performance
1396.3
Current official/published rating (highest between Raw, WR and WP)
1441.1
Current floor (min rating allowed)
941.1
Current highest rating achieved
1441.1
Current K-factor
32
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)
±117.6
Current Raw change used (final)
0.0
Projected new Raw rating
1441.1
Projected new Weighed rating
1364.5
Projected new Weighted performance
1396.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1441.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1441.1
Projected new floor
941.1
Projected new K-facor
32
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
1222.4
Curent Weighted rating
1220.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1222.4
Current floor (min rating allowed)
941.1
Current highest rating achieved
1222.4
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)
±160.6
Current Raw change used (final)
0.0
Projected new Raw rating
1222.4
Projected new Weighed rating
1220.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1222.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1222.4
Projected new floor
941.1
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
6
Western Cape HS Individuals Championship 2024 (U15 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
5.0
1506.0
1506.2
Analysis
5
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
3.0
1506.0
1506.2
Analysis
4
Cape Winelands Schools - Prestige 2024 (U15 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1506.0
1506.2
Analysis
3
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
3.0
1470.4
1508.1
Analysis
2
Cape Winelands Schools - HS Trials 1 2024 (U15 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1470.4
1358.7
Analysis
1
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1512.2
1574.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
33
Western Cape HS Individuals Championship 2024 (U15 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
5.0
1506.0
1506.2
Analysis
32
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
3.0
1506.0
1506.2
Analysis
31
Cape Winelands Schools - Prestige 2024 (U15 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1506.0
1506.2
Analysis
30
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
3.0
1470.4
1508.1
Analysis
29
Cape Winelands Schools - HS Trials 1 2024 (U15 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.0
1470.4
1358.7
Analysis
28
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1512.2
1574.6
Analysis
27
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1487.0
1467.8
Analysis
26
Western Cape Closed Championship 2023 (B)
2023/09/23
2023/09/25
Cape Town (WCT)
Standard
120
1.00
6
5
1.0
1524.7
1507.8
Analysis
25
Western Cape Top Schools 2023 (U13 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
3.0
1524.7
1507.8
Analysis
24
CW Top Schools 2023 (U13 Mix + U13 Girls)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
4.0
1522.2
1296.1
Analysis
23
CW Top Schools 2023 (Advanced)
2023/08/11
2023/08/13
West Coast (WCU)
Standard
90
0.94
6
6
3.0
1522.2
1525.4
Analysis
22
WP Club League 2023 (C)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
1
0.5
1524.7
1507.8
Analysis
21
Cape Winelands Open 2023 (Advanced)
2023/07/22
2023/07/23
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.5
1509.1
1512.9
Analysis
20
Steinitz Open 2023 (A+B)
2023/05/26
2023/05/28
Cape Town (WCT)
Standard
90
0.94
6
6
2.0
1539.1
1554.5
Analysis
19
Western Cape PS Individuals 2023 (U13 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1539.1
1554.5
Analysis
18
Midas Paints Chess Cup Term 2 2023 (Open)
2023/04/15
2023/04/15
Cape Winelands (WCW)
Rapid
13
0.35
6
6
2.0
1556.3
1298.3
Analysis
17
Cape Winelands Schools Prestige 2023 (U13 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1518.3
1510.3
Analysis
16
Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)
2023/02/18
2023/02/18
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1496.3
1484.4
Analysis
15
Chess WP Individual Blitz 2023 (Open)
2023/01/03
2023/01/03
Cape Town (WCT)
Blitz
5
0.18
7
7
2.0
1503.1
1200.0
Analysis
14
George Open 2022 (B)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1533.9
1516.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
33
22
0
11
22.0
66.7
141.7
1388.1
1529.7
White
17
11
0
6
11.0
64.7
125.0
1370.9
1495.9
Black
16
11
0
5
11.0
68.8
159.4
1406.3
1565.6
Standard
All
27
17
0
10
17.0
63.0
110.2
1388.7
1498.9
White
14
8
0
6
8.0
57.1
60.7
1377.7
1438.4
Black
13
9
0
4
9.0
69.2
163.5
1400.5
1563.9
Rapid
All
6
5
0
1
5.0
83.3
283.3
1385.4
1668.7
White
3
3
0
0
3.0
100.0
425.0
1339.5
1764.5
Black
3
2
0
1
2.0
66.7
141.7
1431.3
1573.0
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
174
108
3
63
109.5
62.9
109.9
1365.7
1475.6
White
86
53
1
32
53.5
62.2
103.8
1364.7
1468.4
Black
88
55
2
31
56.0
63.6
115.9
1366.7
1482.6
Standard
All
135
85
3
47
86.5
64.1
119.6
1361.1
1480.7
White
67
41
1
25
41.5
61.9
101.5
1365.7
1467.2
Black
68
44
2
22
45.0
66.2
137.5
1356.6
1494.1
Rapid
All
32
21
0
11
21.0
65.6
132.8
1336.4
1469.2
White
15
11
0
4
11.0
73.3
198.3
1290.5
1488.9
Black
17
10
0
7
10.0
58.8
75.0
1376.9
1451.9
Blitz
All
7
2
0
5
2.0
28.6
-182.1
1588.2
1406.1
White
4
1
0
3
1.0
25.0
-212.5
1625.1
1412.6
Black
3
1
0
2
1.0
33.3
-141.7
1539.0
1397.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1100139466
Tiemie, J (Jaheim)
3
3.0
3
0
0
100.0
1510.6
425.0
1935.6
View list
2
1090107095
Botha, D (Derick)
3
2.0
2
0
1
66.7
1307.2
141.7
1448.9
View list
3
1100108720
Goosen, R (Ruan)
3
2.0
2
0
1
66.7
1490.9
141.7
1632.6
View list
4
1140136551
Resnekov, O (Oliver)
3
2.0
2
0
1
66.7
1522.4
141.7
1664.1
View list
5
1100097431
Lielieveld, J (Jadrian)
3
1.0
1
0
2
33.3
1422.4
-141.7
1280.8
View list
6
1110097140
Milhomem, L (Lucas)
3
1.0
1
0
2
33.3
1311.7
-141.7
1170.0
View list
7
1090108767
Potgieter, W (Werne)
3
1.0
1
0
2
33.3
1487.8
-141.7
1346.1
View list
8
1110109002
Maruma, KB (Kamogelo)
2
2.0
2
0
0
100.0
1522.5
425.0
1947.5
View list
9
1800140067
Oosthuizen, W (Wesley)
2
2.0
2
0
0
100.0
1471.6
425.0
1896.6
View list
10
1100149796
Smit, L (Liam)
2
2.0
2
0
0
100.0
1528.7
425.0
1953.7
View list
11
1090153071
Strumpfer, C (Christiaan)
2
2.0
2
0
0
100.0
1488.2
425.0
1913.2
View list
12
1100140084
Van Wyk, I (Igshaan)
2
2.0
2
0
0
100.0
1507.3
425.0
1932.3
View list
13
1100118990
Cockin, R (Ruan)
2
1.0
1
0
1
50.0
1389.1
0.0
1389.1
View list
14
187006098
Davids, JW (Jo-Wayne)
2
1.0
1
0
1
50.0
1510.7
0.0
1510.7
View list
15
1100118923
Mackenzie, T (Tayden)
2
1.0
1
0
1
50.0
1458.5
0.0
1458.5
View list
16
206046692
Van Zyl, B (Bea)
2
0.0
0
0
2
0.0
1518.5
-425.0
1093.5
View list
17
2100134976
Clayton, M (Micah)
1
1.0
1
0
0
100.0
1342.8
425.0
1767.8
View list
18
1100153782
Agulhas, G (Graham)
1
1.0
1
0
0
100.0
1506.0
425.0
1931.0
View list
19
104092951
Adams, J (Jedediah)
1
1.0
1
0
0
100.0
1533.9
425.0
1958.9
View list
20
2090145672
Abulele, X (Xetu)
1
1.0
1
0
0
100.0
1342.8
425.0
1767.8
View list