Player Page

Joubert, E (Ethan)
Dob: 2010/07/26 (U16)
Gender: Male
Chess SA id: 1100150162
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (38 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 rating1348.4
Current Weighted rating1291.4
Current Weighted performance1312.8
Current official/published rating (highest between Raw, WR and WP)1348.4
Current highest rating achieved1350.5
Current floor (min rating allowed)850.5
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)±134.2
Current Raw change used (final)0.0
Projected new Raw rating1348.4
Projected new Weighed rating1190.6
Projected new Weighted performance1312.8
Projected new final Raw rating (if new WP > new Raw)1348.4
Projected new highest rating1350.5
Projected new floor850.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1348.4
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 rating1254.4
Current Weighted rating1209.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1254.4
Current highest rating achieved1254.4
Current floor (min rating allowed)754.4
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)±153.4
Current Raw change used (final)0.0
Projected new Raw rating1254.4
Projected new Weighed rating1112.9
Projected new Weighted performance1131.6
Projected new final Raw rating (if new WP > new Raw)1254.4
Projected new highest rating1254.4
Projected new floor754.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1254.4
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 rating1397.2
Current Weighted rating1335.8
Current Weighted performance1347.1
Current official/published rating (highest between Raw, WR and WP)1397.2
Current highest rating achieved1397.2
Current floor (min rating allowed)897.2
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)±125.2
Current Raw change used (final)0.0
Projected new Raw rating1397.2
Projected new Weighed rating1232.4
Projected new Weighted performance1347.1
Projected new final Raw rating (if new WP > new Raw)1397.2
Projected new highest rating1397.2
Projected new floor897.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1397.2
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Cape Town Junior League Finals 2024 (U15 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 4.0 1340.0 1389.6 Analysis
3 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 0 0.0 1340.0 1389.6 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1350.5 1240.4 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 3.0 1332.3 1196.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 Cape Town Junior League Finals 2024 (U15 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 4.0 1340.0 1389.6 Analysis
12 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 0 0.0 1340.0 1389.6 Analysis
11 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1350.5 1240.4 Analysis
10 CT District East Schools Chess Individuals Trails 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 3.0 1332.3 1196.8 Analysis
9 Gordons Bay Primary Chess Championship 2023 (U13 Mixed) 2023/12/09 2023/12/09 Cape Town (WCT) Rapid 30 0.60 5 5 4.0 1301.0 1350.4 Analysis
8 Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 30 0.60 6 6 4.0 1284.8 1332.8 Analysis
7 Cape Town Junior Chess League Finals 2023 (U16A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 6 3.0 1278.8 1330.1 Analysis
6 Cape Town Junior Chess League - Round 1 2023 (U16B) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 6 5.0 1247.9 1281.5 Analysis
5 WP Closed 2023 (U14) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1231.5 1162.0 Analysis
4 Cape Town Junior League 2nd Qualifier 2023 (U16) 2023/06/03 2023/06/03 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1231.5 1291.9 Analysis
3 Rhenish Primary Tournament 2023 (U14) 2023/05/13 2023/05/13 Cape Winelands (WCW) Rapid 30 0.60 6 5 4.5 1179.7 1219.2 Analysis
2 Mary-Anne Bartels Chess Tournament 2023 (U13) 2023/02/21 2023/02/21 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
1 District East Schools Chess Individual Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 9 2 4 10.0 66.7 141.7 1235.9 1377.6
White 7 4 0 3 4.0 57.1 60.7 1290.4 1351.1
Black 8 5 2 1 6.0 75.0 212.5 1188.3 1400.8
Standard All 10 5 2 3 6.0 60.0 85.0 1279.4 1364.4
White 5 2 0 3 2.0 40.0 -85.0 1321.2 1236.2
Black 5 3 2 0 4.0 80.0 255.0 1237.6 1492.6
Rapid All 5 4 0 1 4.0 80.0 255.0 1149.0 1404.0
White 2 2 0 0 2.0 100.0 425.0 1213.3 1638.3
Black 3 2 0 1 2.0 66.7 141.7 1106.1 1247.8
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 66 40 3 23 41.5 62.9 109.5 1241.9 1351.3
White 31 20 1 10 20.5 66.1 137.1 1227.8 1364.9
Black 35 20 2 13 21.0 60.0 85.0 1254.3 1339.3
Standard All 22 10 2 10 11.0 50.0 0.0 1266.9 1266.9
White 11 4 0 7 4.0 36.4 -115.9 1254.9 1139.0
Black 11 6 2 3 7.0 63.6 115.9 1278.9 1394.9
Rapid All 44 30 1 13 30.5 69.3 164.2 1229.3 1393.5
White 20 16 1 3 16.5 82.5 276.2 1212.9 1489.2
Black 24 14 0 10 14.0 58.3 70.8 1243.0 1313.8
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110156975 Brown, J (Joshua) 2 2.0 2 0 0 100.0 1263.3 425.0 1688.3 View list
2 1110150427 House, J (Josh) 2 1.0 1 0 1 50.0 1285.8 0.0 1285.8 View list
3 1100140774 Van Der Spuy, A (Albert) 2 1.0 1 0 1 50.0 1256.0 0.0 1256.0 View list
4 110094681 Meyer, M (Matthew) 2 0.0 0 0 2 0.0 1266.3 -425.0 841.3 View list
5 1110147449 Van Wyk, C (Cayllum) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
6 1100156929 Janse Van Rensburg, D (Daniel) 1 1.0 1 0 0 100.0 1179.7 425.0 1604.7 View list
7 1110113415 Devanunthan, N (Nivash) 1 1.0 1 0 0 100.0 1231.5 425.0 1656.5 View list
8 1130147715 Herman, V (Victor) 1 1.0 1 0 0 100.0 1278.8 425.0 1703.8 View list
9 1110191474 Hendrikse, C (Cayden) 1 1.0 1 0 0 100.0 1301.0 425.0 1726.0 View list
10 1110191235 Grohban, H (Hendricks Paulo) 1 1.0 1 0 0 100.0 1284.8 425.0 1709.8 View list
11 2100149808 Ficks, W (Willmarie) 1 1.0 1 0 0 100.0 1231.5 425.0 1656.5 View list
12 1080157058 Ferreira, M (Marko) 1 1.0 1 0 0 100.0 1278.8 425.0 1703.8 View list
13 1080150198 Abrahams, C (Chello) 1 1.0 1 0 0 100.0 1284.8 425.0 1709.8 View list
14 1100130337 Abrahams, A (Alvin Ernest) 1 1.0 1 0 0 100.0 1284.8 425.0 1709.8 View list
15 1100301933 Chen, H (Haoyu) 1 1.0 1 0 0 100.0 1340.0 425.0 1765.0 View list
16 1090193411 Cilliers, K (Kyle) 1 1.0 1 0 0 100.0 1332.3 425.0 1757.3 View list
17 1100193425 Kamiro, K (Knowledge) 1 1.0 1 0 0 100.0 1332.3 425.0 1757.3 View list
18 1100158899 Loots, M (Micheal) 1 1.0 1 0 0 100.0 1340.0 425.0 1765.0 View list
19 1110143640 Madlala, B (Bonginkosi) 1 1.0 1 0 0 100.0 1231.5 425.0 1656.5 View list
20 2100150514 Mani, S (Sivenathi) 1 1.0 1 0 0 100.0 1247.9 425.0 1672.9 View list