Player Page

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
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 rating1565.9
Curent Weighted rating1517.1
Curent Weighted performance1554.0
Current official/published rating (highest between Raw, WR and WP)1565.9
Current floor (min rating allowed)1065.9
Current highest rating achieved1565.9
Current K-factor32
Games played this month0
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 rating1565.9
Projected new Weighed rating1522.4
Projected new Weighted performance1554.0
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 rating1565.9
Projected new floor1065.9
Projected new K-facor32
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 rating1532.5
Curent Weighted rating1513.4
Curent Weighted performance1515.6
Current official/published rating (highest between Raw, WR and WP)1532.5
Current floor (min rating allowed)1074.6
Current highest rating achieved1574.6
Current K-factor32
Games played this month0
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 rating1532.5
Projected new Weighed rating1516.6
Projected new Weighted performance1515.6
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 rating1574.6
Projected new floor1074.6
Projected new K-facor32
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 rating1441.1
Curent Weighted rating1355.5
Curent Weighted performance1396.3
Current official/published rating (highest between Raw, WR and WP)1441.1
Current floor (min rating allowed)941.1
Current highest rating achieved1441.1
Current K-factor32
Games played this month0
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 rating1441.1
Projected new Weighed rating1364.5
Projected new Weighted performance1396.3
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 rating1441.1
Projected new floor941.1
Projected new K-facor32
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 rating1222.4
Curent Weighted rating1220.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1222.4
Current floor (min rating allowed)941.1
Current highest rating achieved1222.4
Current K-factor36
Games played this month0
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 rating1222.4
Projected new Weighed rating1220.8
Projected new Weighted performance0.0
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 rating1222.4
Projected new floor941.1
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
12
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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