PLAYER PAGE
Ethan Joubert
1100150162Cape Town (WCT)Personal
Main rating
| Rating | 1382.2 |
| K-factor | 40 |
| Floor | 899.7 |
| Highest | 1399.7 (2024-10-01) |
| Min/Max +/- allowed | 125 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1278.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1382.2 |
| K-factor | 40 |
| Floor | 899.7 |
| Highest | 1399.7 (2024-10-01) |
| Min/Max +/- allowed | 124.8 |
Standard rating
| Rating | 1371.2 |
| K-factor | 36 |
| Floor | 886.4 |
| Highest | 1401.3 (2024-09-01) |
| Min/Max +/- allowed | 124.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1278.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1371.2 |
| K-factor | 36 |
| Floor | 886.4 |
| Highest | 1401.3 (2024-09-01) |
| Min/Max +/- allowed | 124.5 |
Rapid rating
| Rating | 1366.7 |
| K-factor | 36 |
| Floor | 897.2 |
| Highest | 1465.8 (2023-05-01) |
| Min/Max +/- allowed | 113.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1088.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1366.7 |
| K-factor | 36 |
| Floor | 897.2 |
| Highest | 1465.8 (2023-05-01) |
| Min/Max +/- allowed | 113.5 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Helderberg Chess Club Open 2025 (B) | Standard | 2025-06-07 | 2025-06-08 | Cape Town (WCT) | 6 | 1374.8 | 6 | 3 | 1308.2 | 0 | Details |
| 2 | Cape Town Chess Junior League 2025 (U16) | Standard | 2025-05-10 | 2025-05-31 | Cape Town (WCT) | 5 | 1374.8 | 4 | 3.5 | 1519.3 | 0 | Details |
| 3 | CT Metro Schools Individual Closed 2025 (U15 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1358.1 | 6 | 3 | 1428.2 | 0 | Details |
| 4 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1337 | 6 | 4 | 1426.6 | 0 | Details |
| 5 | Helderberg Chess Club Open 2024 (B) | Standard | 2024-11-09 | 2024-11-10 | Cape Town (WCT) | 6 | 1342.4 | 6 | 3 | 1277.9 | 0 | Details |
| 6 | Western Cape Club Championship 2024 (Tier 2) | Standard | 2024-10-25 | 2024-10-27 | Cape Town (WCT) | 5 | 1399.7 | 4 | 0 | 1011.1 | 0 | Details |
| 7 | Western Cape Top Schools Championship 2024 (U15 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1379.4 | 4 | 3 | 1507.3 | 0 | Details |
| 8 | CT Metro District East Top Schools Chess 2024 (U15 Mixed) | Standard | 2024-07-27 | 2024-07-28 | Cape Town (WCT) | 7 | 1348.4 | 6 | 6 | 1612.2 | 0 | Details |
| 9 | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1348.4 | 6 | 3 | 1197.7 | 0 | Details |
| 10 | Cape Town Junior League Finals 2024 (U15 Open A) | Rapid | 2024-05-18 | 2024-05-18 | Cape Town (WCT) | 5 | 1340 | 5 | 4 | 1404 | 0 | Details |
| 11 | Cape Town Junior League Qualifier 2024 (U15 Open) | Rapid | 2024-04-06 | 2024-04-06 | Cape Town (WCT) | 6 | 1340 | 0 | 0 | 0 | 0 | Details |
| 12 | Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1350.5 | 6 | 3 | 1300.5 | 0 | Details |
| 13 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1332.3 | 4 | 3 | 1460.3 | 0 | Details |
| 14 | Gordons Bay Primary Chess Championship 2023 (U13 Mixed) | Rapid | 2023-12-09 | 2023-12-09 | Cape Town (WCT) | 5 | 1301 | 5 | 4 | 1541.5 | 0 | Details |
| 15 | Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed) | Rapid | 2023-11-04 | 2023-11-04 | Cape Town (WCT) | 6 | 1284.8 | 6 | 4 | 1391.6 | 0 | Details |
| 16 | Cape Town Junior Chess League Finals 2023 (U16A) | Rapid | 2023-09-16 | 2023-09-16 | Cape Town (WCT) | 7 | 1278.8 | 6 | 3 | 1323.3 | 0 | Details |
| 17 | Cape Town Junior Chess League - Round 1 2023 (U16B) | Rapid | 2023-07-22 | 2023-07-22 | Cape Town (WCT) | 7 | 1247.9 | 6 | 5 | 1472.5 | 0 | Details |
| 18 | WP Closed 2023 (U14) | Standard | 2023-06-16 | 2023-06-17 | Cape Town (WCT) | 6 | 1231.5 | 6 | 3 | 1298.5 | 0 | Details |
| 19 | Cape Town Junior League 2nd Qualifier 2023 (U16) | Rapid | 2023-06-03 | 2023-06-03 | Cape Town (WCT) | 6 | 1231.5 | 6 | 3 | 1229.7 | 0 | Details |
| 20 | Rhenish Primary Tournament 2023 (U14) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 6 | 1179.7 | 5 | 4.5 | 1554.9 | 0 | Details |
| 21 | Mary-Anne Bartels Chess Tournament 2023 (U13) | Rapid | 2023-02-21 | 2023-02-21 | Cape Town (WCT) | 5 | 1200 | 5 | 3 | 1262.2 | 0 | Details |
| 22 | District East Schools Chess Individual Trials 2023 (U13 Boys) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1200 | 6 | 2 | 1072.9 | 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 | 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 (History)
| Games | 114 |
| Wins | 68 |
| Draws | 4 |
| Losses | 42 |
| White | 54 |
| Black | 60 |
| White wins | 38 |
| Black wins | 30 |
| Score | 70 |
| Percent | 61.4 |
| Dp | 96.9 |
| AOR | 1261.4 |
| Performance | 1358.3 |
Rankings (Main)
| National | |
| Overall | 3655 |
| Gender | 3085 |
| Age group | 557 |
| Gender/Age | 461 |
| Provincial | |
| Overall | 1108 |
| Gender | 898 |
| Age group | 169 |
| Gender/Age | 127 |
| Regional | |
| Overall | 546 |
| Gender | 469 |
| Age group | 62 |
| Gender/Age | 52 |
Rankings (Standard)
| National | |
| Overall | 3525 |
| Gender | 2957 |
| Age group | 552 |
| Gender/Age | 457 |
| Provincial | |
| Overall | 1010 |
| Gender | 811 |
| Age group | 153 |
| Gender/Age | 116 |
| Regional | |
| Overall | 515 |
| Gender | 437 |
| Age group | 61 |
| Gender/Age | 51 |
Rankings (Rapid)
| National | |
| Overall | 1072 |
| Gender | 907 |
| Age group | 142 |
| Gender/Age | 119 |
| Provincial | |
| Overall | 539 |
| Gender | 444 |
| Age group | 81 |
| Gender/Age | 65 |
| Regional | |
| Overall | 256 |
| Gender | 229 |
| Age group | 29 |
| Gender/Age | 26 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 10 |
| Score | 6.5 |
| Percent | 65 |
| Aor | 1265.2 |
| Dp | 127.5 |
| Prat | 1392.7 |
Performance (History)
| Games | 114 |
| Score | 70 |
| Percent | 61.4 |
| Aor | 1261.4 |
| Dp | 96.9 |
| Prat | 1358.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Der Spuy, A (Albert) | 3 | 2 | 1 | Rhenish Primary Tournament 2023 (U14) | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Details |
| Overall | 2 | Mputing, A (Asiphile) | 2 | 2 | 0 | WP Closed 2023 (U14) | Cape Town Chess Junior League 2025 (U16) | Details |
| Overall | 3 | Janse Van Rensburg, D (Daniel) | 2 | 2 | 0 | Rhenish Primary Tournament 2023 (U14) | Helderberg Chess Club Open 2025 (B) | Details |
| Overall | 4 | Van Wyk, C (Cayllum) | 2 | 1 | 1 | District East Schools Chess Individual Trials 2023 (U13 Boys) | Mary-Anne Bartels Chess Tournament 2023 (U13) | Details |
| Overall | 5 | Brown, J (Joshua) | 2 | 1 | 1 | Cape Town Junior Chess League - Round 1 2023 (U16B) | Cape Town Junior Chess League Finals 2023 (U16A) | Details |
| Standard | 1 | Van Der Spuy, A (Albert) | 2 | 1 | 1 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Details |
| Standard | 2 | Mputing, A (Asiphile) | 2 | 2 | 0 | WP Closed 2023 (U14) | Cape Town Chess Junior League 2025 (U16) | Details |
| Rapid | 1 | House, J (Josh) | 2 | 1 | 1 | Cape Town Junior League 2nd Qualifier 2023 (U16) | Cape Town Junior League Finals 2024 (U15 Open A) | Details |
| Rapid | 2 | Brown, J (Joshua) | 2 | 1 | 1 | Cape Town Junior Chess League - Round 1 2023 (U16B) | Cape Town Junior Chess League Finals 2023 (U16A) | Details |