PLAYER PAGE

Ethan Oosthuizen

1100135522
Cape Winelands (WCW)
Personal
Main rating
Rating 1631.8
K-factor 28
Floor 1190.9
Highest 1719 (2024-09-01)
Min/Max +/- allowed 79
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1374.8
Final +/- 0
New Rating
()
Rating 1631.8
K-factor 28
Floor 1190.9
Highest 1719 (2024-09-01)
Min/Max +/- allowed 79.2
Standard rating
Rating 1657.2
K-factor 28
Floor 1203.3
Highest 1721.1 (2024-09-01)
Min/Max +/- allowed 78.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1485
Final +/- 0
New Rating
()
Rating 1657.2
K-factor 28
Floor 1203.3
Highest 1721.1 (2024-09-01)
Min/Max +/- allowed 78.9
Rapid rating
Rating 1486.6
K-factor 32
Floor 1027.4
Highest 1544.3 (2024-07-01)
Min/Max +/- allowed 101.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1314
Final +/- 0
New Rating
()
Rating 1486.6
K-factor 32
Floor 1027.4
Highest 1544.3 (2024-07-01)
Min/Max +/- allowed 101.5
Blitz rating
Rating 1291.1
K-factor 36
Floor 791.1
Highest 1428.9 (2023-01-01)
Min/Max +/- allowed 119.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1291.1
K-factor 36
Floor 791.1
Highest 1428.9 (2023-01-01)
Min/Max +/- allowed 119.7
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) Standard 2026-02-28 2026-02-28 Cape Winelands 5 1631.9 5 4 1678.1 7.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Grey College Team Championship 2026 (Prestige) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1638.6 5 1 1362.3 0 Details
2 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1652.3 6 3 1528 0 Details
3 WCSC Kings & Queens 2025 (Kings) Rapid 2025-11-29 2025-11-29 Cape Winelands (WCW) 6 1652.3 4 0 1083.8 0 Details
4 Paarl Boys' High School Chess Festival 2025 (Elite) Standard 2025-10-17 2025-10-18 Cape Winelands (WCW) 6 1638.5 6 4 1752.3 0 Details
5 Western Cape Schools - Top Schools 2025 (U19) Standard 2025-09-06 2025-09-07 Overberg (WOS) 6 1647.6 6 3 1554.3 0 Details
6 Cape Winelands Top Schools 2025 (U17+U19) Rapid 2025-08-23 2025-08-23 Cape Winelands (WCW) 5 1647.8 5 3 1652.5 0 Details
7 Cape Winelands Open 2025 (Championship) Standard 2025-07-19 2025-07-20 Cape Winelands (WCW) 6 1650.8 6 2 1596.6 0 Details
8 South African Open 2025 (U16 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1650.8 5 4 1695 0 Details
9 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1611.2 10 2 1541 0 Details
10 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1611.2 11 1 1489.7 0 Details
11 Western Cape Schools Individual Championship 2025 (U15 Boys) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1611.2 6 5 1766.2 0 Details
12 South African Junior Closed Chess Championships 2025 (U16 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1611.2 9 5.5 1760.5 0 Details
13 Steinitz Festival 2025 (Open) Rapid 2025-03-15 2025-03-15 Cape Town (WCT) 7 1677.1 7 4 1536.7 0 Details
14 Steinitz Festival 2025 (Blitz) Blitz 2025-03-14 2025-03-14 Cape Town (WCT) 7 1677.1 7 3 1369.4 0 Details
15 Cape Winelands Schools Prestige 2025 (U15 Boys) Standard 2025-03-08 2025-03-08 Cape Winelands (WCW) 5 1677.1 5 3 1325 0 Details
16 Grey College Team Championship 2025 (Prestige) Standard 2025-02-21 2025-02-22 Mangaung (FMB) 5 1675.8 5 3 1649.4 0 Details
17 Cape Winelands Schools - Trials 1 2025 (U15 Boys) Standard 2025-02-08 2025-02-08 Cape Winelands (WCW) 5 1675.8 5 4.5 1689 0 Details
18 Paarl Boys' High Chess Festival 2024 (Elite) Standard 2024-10-04 2024-10-05 Cape Winelands (WCW) 6 1690.9 6 3 1597.7 0 Details
19 2024 South Africa National Schools Chess Championship (U15 Boys) Standard 2024-09-27 2024-09-28 Nelson Mandela Bay (ENM) 7 1626.6 7 5 1601.6 0 Details
20 Western Cape Top Schools Championship 2024 (U15 Mixed) Standard 2024-08-30 2024-09-01 Eden (WEG) 6 1626.6 6 6 1926.9 0 Details
21 Cape Winelands - Top Schools 2024 (U15 Mixed) Standard 2024-07-27 2024-07-27 Cape Winelands (WCW) 5 1602.2 4 4 1837.8 0 Details
22 Curro Durbanville Chess Rapid Open 2024 (Championship) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1602.2 6 3 1596.8 0 Details
23 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1568.1 9 4 1606.7 0 Details
24 Western Cape - Kings and Queens 2024 (Boys) Rapid 2024-06-08 2024-06-08 Overberg (WOS) 5 1568.1 4 4 1806.9 0 Details
25 South African Junior Closed Chess Championship 2024 (U14 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1565.9 9 4.5 1576.1 0 Details
26 Western Cape HS Individuals Championship 2024 (U15 Boys) Standard 2024-03-21 2024-03-22 Overberg (WOS) 6 1506 6 5 1845 0 Details
27 Cape Town Open Chess Championship 2024 (Advanced) Standard 2024-03-15 2024-03-17 Cape Town (WCT) 6 1506 6 3 1430.9 0 Details
28 Cape Winelands Schools - Prestige 2024 (U15 Boys) Standard 2024-03-02 2024-03-02 Cape Winelands (WCW) 5 1506 5 3 1377.3 0 Details
29 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) Rapid 2024-02-17 2024-02-17 Cape Winelands (WCW) 6 1470.4 6 5 1668.7 0 Details
30 Grey College Team Championship 2024 (B) Standard 2024-02-23 2024-02-24 Mangaung (FMB) 5 1470.4 4 3 1535.5 0 Details
31 Cape Winelands - Marie Delport Memorial 2024 (Open) Standard 2024-01-27 2024-01-28 Cape Winelands (WCW) 6 1512.2 6 3 1297.5 0 Details
32 Paarl Boys High Chess Festival 2023 (Elite Division) Standard 2023-10-13 2023-10-14 Cape Winelands (WCW) 6 1487 6 4 1620.6 0 Details
33 WP Club League 2023 (C) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1524.7 1 0.5 1433.7 0 Details
34 Western Cape Closed Championship 2023 (B) Classical 2023-09-23 2023-09-25 Cape Town (WCT) 6 1524.7 5 1 1296.8 0 Details
35 Western Cape Top Schools 2023 (U13 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1524.7 5 3 1568.3 0 Details
36 CW Top Schools 2023 (U13 Mix + U13 Girls) Rapid 2023-08-26 2023-08-26 Cape Winelands (WCW) 5 1522.2 5 4 1641.7 0 Details
37 CW Top Schools 2023 (Advanced) Standard 2023-08-11 2023-08-13 West Coast (WCU) 6 1522.2 6 3 1462.3 0 Details
38 Cape Winelands Open 2023 (Advanced) Standard 2023-07-22 2023-07-23 Cape Winelands (WCW) 6 1509.1 6 3.5 1575.3 0 Details
39 Western Cape PS Individuals 2023 (U13 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1539.1 6 5 1630.5 0 Details
40 Steinitz Open 2023 (A+B) Standard 2023-05-26 2023-05-28 Cape Town (WCT) 6 1539.1 6 2 1316.3 0 Details
41 Midas Paints Chess Cup Term 2 2023 (Open) Rapid 2023-04-15 2023-04-15 Cape Winelands (WCW) 6 1556.3 6 2 1347.7 0 Details
42 Cape Winelands Schools Prestige 2023 (U13 Boys) Standard 2023-03-11 2023-03-11 Cape Winelands (WCW) 5 1518.3 5 5 1753.8 0 Details
43 Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) Standard 2023-02-18 2023-02-18 Cape Winelands (WCW) 5 1496.3 5 5 1640.6 0 Details
44 Chess WP Individual Blitz 2023 (Open) Blitz 2023-01-03 2023-01-03 Cape Town (WCT) 7 1503.1 7 2 1406.1 0 Details
45 George Open 2022 (B) Standard 2022-12-03 2022-12-03 Eden (WEG) 5 1533.9 5 3 1341.3 0 Details
46 Drakenstein Pioneers Club Championship 2022 (Open) Standard 2022-09-20 2022-10-11 Cape Winelands (WCW) 5 1550.9 3 2 1329.9 0 Details
47 Western Cape Top Schools 2022 (U13 Mix) Standard 2022-09-16 2022-09-17 Overberg (WOS) 5 1392.2 5 4 1704.5 0 Details
48 Western Cape Woman`s Championship 2022 (Open) Standard 2022-09-02 2022-09-04 West Coast (WCU) 5 1392.2 5 4 1599.5 0 Details
49 Stellenbosch Primary 2022 (U13) Rapid 2022-08-13 2022-08-13 Cape Winelands (WCW) 6 1342.8 6 5 1463.6 0 Details
50 Cape Winelands Schools Top Schools 2022 (U13 Mix) Standard 2022-08-27 2022-08-27 Cape Winelands (WCW) 5 1342.8 5 4 1523.4 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 5
Wins 1
Draws 0
Losses 4
White 3
Black 2
White wins 0
Black wins 1
Score 1
Percent 20
Dp -255
AOR 1617.3
Performance 1362.3
Game statistics (History)
Games 333
Wins 191
Draws 6
Losses 136
White 170
Black 163
White wins 99
Black wins 92
Score 194
Percent 58.3
Dp 70.2
AOR 1462.2
Performance 1532.4
Rankings (Main)
National
Overall 796
Gender 745
Age group 76
Gender/Age 68
Provincial
Overall 241
Gender 224
Age group 20
Gender/Age 19
Regional
Overall 22
Gender 18
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 625
Gender 587
Age group 53
Gender/Age 48
Provincial
Overall 180
Gender 167
Age group 10
Gender/Age 10
Regional
Overall 18
Gender 15
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 356
Gender 333
Age group 36
Gender/Age 34
Provincial
Overall 178
Gender 162
Age group 22
Gender/Age 21
Regional
Overall 23
Gender 19
Age group 5
Gender/Age 4
Rankings (Blitz)
National
Overall 297
Gender 284
Age group 29
Gender/Age 24
Provincial
Overall 113
Gender 109
Age group 11
Gender/Age 11
Regional
Overall 6
Gender 6
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 5
Score 1
Percent 20
Aor 1617.3
Dp -255
Prat 1362.3
Performance (12 months)
Games 98
Score 43.5
Percent 44.4
Aor 1595.4
Dp -47.7
Prat 1547.7
Performance (History)
Games 333
Score 194
Percent 58.3
Aor 1462.2
Dp 70.2
Prat 1532.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Potgieter, W (Werne) 6 2 4 Paarl Boys High Chess Festival 2023 (Elite Division) Paarl Boys' High School Chess Festival 2025 (Elite) Details
Overall 2 Lielieveld, J (Jadrian) 5 2 3 Cape Winelands Schools 2022 (U13 Boys) Western Cape Schools Individual Championship 2025 (U15 Boys) Details
Overall 3 Neethling, S (Sean) 4 3 1 CW Top Schools 2023 (U13 Mix + U13 Girls) Cape Winelands Schools - Trials 1 2025 (U15 Boys) Details
Overall 4 Maruma, KB (Kamogelo) 3 2 1 Western Cape PS Individuals 2023 (U13 Boys) Curro Durbanville Chess Rapid Open 2024 (Championship) Details
Overall 5 Goosen, R (Ruan) 3 2 1 Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) Cape Winelands Schools - Prestige 2024 (U15 Boys) Details
Standard 1 Potgieter, W (Werne) 4 2 2 Paarl Boys High Chess Festival 2023 (Elite Division) Paarl Boys' High School Chess Festival 2025 (Elite) Details
Standard 2 Lielieveld, J (Jadrian) 4 1 3 Cape Winelands Schools 2022 (U13 Boys) Western Cape Schools Individual Championship 2025 (U15 Boys) Details
Standard 3 Resnekov, O (Oliver) 3 1 2 Steinitz Open 2023 (A+B) Cape Town Open Chess Championship 2024 (Advanced) Details
Standard 4 Botha, D (Derick) 3 2 1 Cape Winelands Schools 2022 (U13 Boys) Cape Winelands Schools Top Schools 2022 (U13 Mix) Details
Standard 5 Salimu, C (Chase) 3 1 2 Western Cape Top Schools 2023 (U13 Mixed) Paarl Boys' High Chess Festival 2024 (Elite) Details
Rapid 1 Swarts, Y (Yardley) 2 1 1 WCSC Kings & Queens 2025 (Kings) WCSC Kings & Queens 2025 (Kings) Details
Rapid 2 Potgieter, W (Werne) 2 0 2 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) Cape Winelands Top Schools 2025 (U17+U19) Details
Rapid 3 Tiemie, J (Jaheim) 2 0 2 CW Top Schools 2023 (U13 Mix + U13 Girls) Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) Details
Rapid 4 Neethling, S (Sean) 2 1 1 CW Top Schools 2023 (U13 Mix + U13 Girls) Western Cape - Kings and Queens 2024 (Boys) Details
Rapid 5 Radloff, H (Hunther) 2 1 1 WCSC Kings & Queens 2025 (Kings) WCSC Kings & Queens 2025 (Kings) Details