PLAYER PAGE
Joel Janneker
105078013West Coast (WCU)Personal
Main rating
| Rating | 1339.9 |
| K-factor | 36 |
| Floor | 892.5 |
| Highest | 1430.3 (2022-07-01) |
| Min/Max +/- allowed | 119 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 947.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1339.9 |
| K-factor | 36 |
| Floor | 892.5 |
| Highest | 1430.3 (2022-07-01) |
| Min/Max +/- allowed | 119.4 |
Standard rating
| Rating | 1307.3 |
| K-factor | 36 |
| Floor | 866.4 |
| Highest | 1493.5 (2022-05-01) |
| Min/Max +/- allowed | 109.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 955 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1307.3 |
| K-factor | 36 |
| Floor | 866.4 |
| Highest | 1493.5 (2022-05-01) |
| Min/Max +/- allowed | 109.1 |
Rapid rating
| Rating | 1221.6 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1221.6 (2024-02-01) |
| Min/Max +/- allowed | 160.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 567.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1221.6 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1221.6 (2024-02-01) |
| Min/Max +/- allowed | 160.8 |
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 | Cape Town Chess Federation Club League 2025 (C) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1339.9 | 0 | 0 | 0 | 0 | Details |
| 2 | CT League 2024 (C) | Classical | 2024-07-20 | 2024-09-07 | Cape Town (WCT) | 11 | 1311.5 | 2 | 1 | 1393.8 | 0 | Details |
| 3 | CT League 2024 (D) | Standard | 2024-08-03 | 2024-08-03 | Cape Town (WCT) | 6 | 1311.5 | 4 | 2.5 | 1479.4 | 0 | Details |
| 4 | Western Cape Top Schools 2022 (U18 Mix) | Standard | 2022-09-16 | 2022-09-17 | Overberg (WOS) | 5 | 1392.5 | 5 | 0 | 922.8 | 0 | Details |
| 5 | Pedro Booyse Top Schools 2022 (U18 Open) | Standard | 2022-07-23 | 2022-07-23 | West Coast (WCU) | 6 | 1329.1 | 5 | 4 | 1527.5 | 0 | Details |
| 6 | Onder-Weskus Top Skole 2022 (Hoerskool) | Rapid | 2022-06-04 | 2022-06-04 | West Coast (WCU) | 5 | 1312.3 | 5 | 3 | 1438.2 | 0 | Details |
| 7 | Western Cape Schools Chess 2022 (U18 Boys) | Standard | 2022-05-07 | 2022-05-08 | Eden (WEG) | 6 | 1249.3 | 6 | 4 | 1543.1 | 0 | Details |
| 8 | West Coast Schools Prestige 2022 (U18 Boys) | Standard | 2022-02-19 | 2022-02-19 | West Coast (WCU) | 6 | 1207.5 | 5 | 4 | 1452.4 | 0 | Details |
| 9 | Lower West Coast 2021 (U18 Boys) | Rapid | 2021-04-10 | 2021-04-10 | West Coast (WCU) | 5 | 1197.2 | 5 | 3 | 1277.6 | 0 | Details |
| 10 | Back to School Rapid 2020 (Boys) | Rapid | 2020-02-01 | 2020-02-01 | West Coast (WCU) | 5 | 1200 | 4 | 2 | 1168.3 | 0 | Details |
| 11 | Langebaan Rapid 2016 (U12) | Rapid | 2016-06-04 | 2016-06-04 | West Coast (WCU) | 5 | 0 | 4 | 2 | 934 | 0 | Details |
| 12 | St Helenabaai Club Open 2016 (U12) | Rapid | 2016-03-19 | 2016-03-19 | West Coast (WCU) | 5 | 0 | 5 | 4 | 1241 | 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 | 41 |
| Wins | 23 |
| Draws | 1 |
| Losses | 17 |
| White | 21 |
| Black | 20 |
| White wins | 11 |
| Black wins | 12 |
| Score | 23.5 |
| Percent | 57.3 |
| Dp | 62.2 |
| AOR | 1297.1 |
| Performance | 1359.2 |
Rankings (Main)
| 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 |
Rankings (Standard)
| 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 |
Rankings (Rapid)
| 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 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 41 |
| Score | 23.5 |
| Percent | 57.3 |
| Aor | 1297.1 |
| Dp | 62.2 |
| Prat | 1359.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Don, W (Wian) | 3 | 2 | 1 | West Coast Schools Prestige 2022 (U18 Boys) | Pedro Booyse Top Schools 2022 (U18 Open) | Details |
| Overall | 2 | Njokweni, L (Llyabona) | 3 | 1 | 2 | Onder-Weskus Top Skole 2022 (Hoerskool) | Pedro Booyse Top Schools 2022 (U18 Open) | Details |
| Standard | 1 | Don, W (Wian) | 3 | 2 | 1 | West Coast Schools Prestige 2022 (U18 Boys) | Pedro Booyse Top Schools 2022 (U18 Open) | Details |
| Standard | 2 | Njokweni, L (Llyabona) | 2 | 1 | 1 | Pedro Booyse Top Schools 2022 (U18 Open) | Pedro Booyse Top Schools 2022 (U18 Open) | Details |