Player Page

Botha, E (Eduan)
Dob: 2012/08/12 (U14)
Gender: Male
Chess SA id: 1120112770
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/06/16 (30 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
Current Raw rating1584.2
Current Weighted rating1555.3
Current Weighted performance1484.2
Current official/published rating (highest between Raw, WR and WP)1584.2
Current highest rating achieved1584.2
Current floor (min rating allowed)1084.2
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)±95.9
Current Raw change used (final)0.0
Projected new Raw rating1584.2
Projected new Weighed rating1431.8
Projected new Weighted performance1484.2
Projected new final Raw rating (if new WP > new Raw)1584.2
Projected new highest rating1584.2
Projected new floor1084.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1584.2
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 rating1542.0
Current Weighted rating1516.1
Current Weighted performance1467.2
Current official/published rating (highest between Raw, WR and WP)1542.0
Current highest rating achieved1542.4
Current floor (min rating allowed)1042.4
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)±101.9
Current Raw change used (final)0.0
Projected new Raw rating1542.0
Projected new Weighed rating1395.3
Projected new Weighted performance1467.2
Projected new final Raw rating (if new WP > new Raw)1542.0
Projected new highest rating1542.4
Projected new floor1042.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1542.0
Projected effective change (new Official - current Official)=0.0
s
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 rating1523.4
Current Weighted rating1480.9
Current Weighted performance1420.7
Current official/published rating (highest between Raw, WR and WP)1523.4
Current highest rating achieved1523.4
Current floor (min rating allowed)1023.4
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)±104.6
Current Raw change used (final)0.0
Projected new Raw rating1523.4
Projected new Weighed rating1364.8
Projected new Weighted performance1420.7
Projected new final Raw rating (if new WP > new Raw)1523.4
Projected new highest rating1523.4
Projected new floor1023.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1523.4
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 rating1256.8
Current Weighted rating1239.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1256.8
Current highest rating achieved1256.8
Current floor (min rating allowed)756.8
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)±152.9
Current Raw change used (final)0.0
Projected new Raw rating1256.8
Projected new Weighed rating1141.5
Projected new Weighted performance443.9
Projected new final Raw rating (if new WP > new Raw)1256.8
Projected new highest rating1256.8
Projected new floor756.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1256.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1559.1 1507.8 Analysis
2 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1547.9 1488.5 Analysis
1 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1562.8 1523.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1559.1 1507.8 Analysis
26 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1547.9 1488.5 Analysis
25 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1562.8 1523.2 Analysis
24 Western Cape Closed Championship 2023 (U12) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1557.4 1452.3 Analysis
23 Western Cape Closed Championship 2023 (Blitz) 2023/09/23 2023/09/25 Cape Town (WCT) Blitz 7 0.23 7 7 3.0 1557.4 1200.0 Analysis
22 WP Closed 2023 (U12) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 4.0 1575.5 1542.4 Analysis
21 Western Cape PS Individuals 2023 (U11 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 5.5 1530.1 1494.4 Analysis
20 Cape Town Open 2023 (U12) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 6 6.0 1502.6 1381.0 Analysis
19 Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1502.6 1486.1 Analysis
18 North District School Trials 2023 (U11 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1502.6 1489.6 Analysis
17 Kenridge Rapid 2022 (U12) 2022/11/05 2022/11/05 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1511.2 1363.0 Analysis
16 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1525.2 1351.8 Analysis
15 WP Closed 2022 (U12) 2022/06/16 2022/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1509.1 1472.0 Analysis
14 Western Cape Schools 2022 (U11 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 5.0 1496.0 1450.9 Analysis
13 Metro WP Schools Chess Trials 2022 (U11 Boys) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1483.0 1430.4 Analysis
12 District North 2022 (U11) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 6 6 5.0 1468.2 1284.8 Analysis
11 Cape Winelands Open 2022 (U12) 2022/02/12 2022/02/13 Cape Winelands (WCW) Standard 70 0.87 6 6 5.0 1440.1 1393.0 Analysis
10 Western Cape Schools 2021 (U9 Boys) 2021/10/23 2021/10/23 Overberg (WOS) Rapid 35 0.66 5 5 4.0 1419.4 1230.8 Analysis
9 Western Cape Closed 2020 (Rapid) 2021/03/06 2021/03/06 Cape Town (WCT) Rapid 25 0.54 7 6 2.0 1463.5 1310.0 Analysis
8 2020 Metro Trials (U9 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1411.2 1310.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 12 2 3 13.0 76.5 225.0 1380.3 1605.3
White 9 4 2 3 5.0 55.6 47.2 1384.0 1431.2
Black 8 8 0 0 8.0 100.0 425.0 1376.2 1801.2
Standard All 11 7 2 2 8.0 72.7 193.2 1394.6 1587.8
White 6 2 2 2 3.0 50.0 0.0 1409.8 1409.8
Black 5 5 0 0 5.0 100.0 425.0 1376.5 1801.5
Rapid All 6 5 0 1 5.0 83.3 283.3 1354.1 1637.5
White 3 2 0 1 2.0 66.7 141.7 1332.5 1474.1
Black 3 3 0 0 3.0 100.0 425.0 1375.8 1800.8
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 160 109 7 44 112.5 70.3 172.7 1295.9 1468.6
White 81 49 4 28 51.0 63.0 110.2 1306.6 1416.8
Black 79 60 3 16 61.5 77.8 236.7 1285.0 1521.7
Standard All 102 67 7 28 70.5 69.1 162.5 1280.1 1442.6
White 53 31 4 18 33.0 62.3 104.2 1289.4 1393.6
Black 49 36 3 10 37.5 76.5 225.5 1270.1 1495.6
Rapid All 51 39 0 12 39.0 76.5 225.0 1293.7 1518.7
White 24 17 0 7 17.0 70.8 177.1 1285.7 1462.7
Black 27 22 0 5 22.0 81.5 267.6 1300.9 1568.5
Blitz All 7 3 0 4 3.0 42.9 -60.7 1542.1 1481.4
White 4 1 0 3 1.0 25.0 -212.5 1660.2 1447.7
Black 3 2 0 1 2.0 66.7 141.7 1384.7 1526.4
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120135094 Singh, S (Shaurya) 6 2.0 1 2 3 33.3 1524.2 -141.7 1382.5 View list
2 1110109831 Strydom, H (Henroux) 5 1.5 1 1 3 30.0 1491.9 -170.0 1321.9 View list
3 1110109004 Jeftha, L (Liam) 4 1.0 1 0 3 25.0 1347.7 -212.5 1135.2 View list
4 2110098074 Johnson, A (Annabelle) 3 3.0 3 0 0 100.0 1303.5 425.0 1728.5 View list
5 1120110807 Minnaar, A (Adriaan) 3 3.0 3 0 0 100.0 1512.3 425.0 1937.3 View list
6 1110108081 Muller, H (Helgard) 3 2.0 2 0 1 66.7 1440.3 141.7 1582.0 View list
7 1110097963 Pfaff, R (Ruben) 3 1.0 1 0 2 33.3 1317.8 -141.7 1176.1 View list
8 1120116389 Brey, E (Emaad) 2 2.0 2 0 0 100.0 1451.2 425.0 1876.2 View list
9 1130137322 De Villiers, C (Christiaan) 2 2.0 2 0 0 100.0 1525.3 425.0 1950.3 View list
10 1130143658 Du Preez, Z (Zolani) 2 2.0 2 0 0 100.0 1539.0 425.0 1964.0 View list
11 1120132064 Fourie, R (Ruan) 2 2.0 2 0 0 100.0 1525.3 425.0 1950.3 View list
12 2120108073 Li, K (Karena) 2 2.0 2 0 0 100.0 1235.2 425.0 1660.2 View list
13 1130147719 Michaelides, A (Alexander) 2 2.0 2 0 0 100.0 1530.0 425.0 1955.0 View list
14 1120138507 Shasha, I (Iyanda) 2 2.0 2 0 0 100.0 1502.6 425.0 1927.6 View list
15 1120112772 Winshaw, JJ (James John) 2 2.0 2 0 0 100.0 1389.6 425.0 1814.6 View list
16 1110102387 Smith, Z (Zion) 2 1.5 1 1 0 75.0 1496.0 212.5 1708.5 View list
17 1130137335 Nel, C (Charles Paul) 2 1.0 1 0 1 50.0 1502.6 0.0 1502.6 View list
18 1120113687 Prinsloo, L (Lyle) 2 1.0 1 0 1 50.0 1472.3 0.0 1472.3 View list
19 1120138780 Rall, L (Lian) 2 1.0 1 0 1 50.0 1510.6 0.0 1510.6 View list
20 2100097164 Lockem , M (Marli) 2 0.0 0 0 2 0.0 1235.2 -425.0 810.2 View list