PLAYER PAGE
Chanelle Grobbelaar
2070104260Cape Winelands (WCW)Personal
Main rating
| Rating | 1218.7 |
| K-factor | 36 |
| Floor | 756.8 |
| Highest | 1256.8 (2025-03-01) |
| Min/Max +/- allowed | 153 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 957 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1218.7 |
| K-factor | 36 |
| Floor | 756.8 |
| Highest | 1256.8 (2025-03-01) |
| Min/Max +/- allowed | 152.9 |
Standard rating
| Rating | 1206 |
| K-factor | 36 |
| Floor | 746 |
| Highest | 1246 (2025-03-01) |
| Min/Max +/- allowed | 155.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1023.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1206 |
| K-factor | 36 |
| Floor | 746 |
| Highest | 1246 (2025-03-01) |
| Min/Max +/- allowed | 155.3 |
Rapid rating
| Rating | 1166.7 |
| 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 | 872.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1166.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1140 |
| 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 | 1140 |
| 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 | 2025 Mzansi Inter Provincial Team Championships (U20 Girls) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1239.6 | 4 | 0 | 881 | 0 | Details |
| 2 | WCSC Kings & Queens 2025 (Queens) | Rapid | 2025-11-29 | 2025-11-29 | Cape Winelands (WCW) | 6 | 1239.6 | 4 | 0.5 | 891.2 | 0 | Details |
| 3 | Western Cape Schools Individual Championship 2025 (U19 Girls) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1230.3 | 6 | 3.5 | 1274 | 0 | Details |
| 4 | Cape Winelands Schools Prestige 2025 (U19 Girls) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 5 | 1256.8 | 5 | 2 | 1098.2 | 0 | Details |
| 5 | Cape Winelands Schools - Trials 1 2025 (U19 Girls) | Standard | 2025-02-08 | 2025-02-08 | Cape Winelands (WCW) | 5 | 1221.3 | 5 | 4 | 1429.6 | 0 | Details |
| 6 | Marie Delport Memorial 2025 (Ladies) | Standard | 2025-01-25 | 2025-01-26 | Cape Winelands (WCW) | 6 | 1238.1 | 6 | 1 | 974.5 | 0 | Details |
| 7 | Western Cape HS Individuals Championship 2024 (U18 Girls) | Standard | 2024-03-21 | 2024-03-22 | Overberg (WOS) | 6 | 1236 | 6 | 2 | 1118.7 | 0 | Details |
| 8 | Cape Winelands Schools - Prestige 2024 (U18 Girls) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1236 | 5 | 3.5 | 1396.8 | 0 | Details |
| 9 | Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) | Rapid | 2024-02-17 | 2024-02-17 | Cape Winelands (WCW) | 6 | 1208 | 6 | 4 | 1377 | 0 | Details |
| 10 | Cape Winelands - Marie Delport Memorial 2024 (Ladies) | Standard | 2024-01-27 | 2024-01-28 | Cape Winelands (WCW) | 6 | 1186.4 | 6 | 3 | 1287.2 | 0 | Details |
| 11 | CW Top Schools 2023 (U15+U18 Girls) | Rapid | 2023-08-26 | 2023-08-26 | Cape Winelands (WCW) | 5 | 1197.7 | 4 | 1 | 1093.6 | 0 | Details |
| 12 | Western Cape HS Individuals 2023 (U17 Girls) | Standard | 2023-04-01 | 2023-04-02 | Cape Town (WCT) | 6 | 1194.7 | 6 | 3 | 1208.7 | 0 | Details |
| 13 | Cape Winelands Schools Prestige 2023 (U17 Girls) | Standard | 2023-03-11 | 2023-03-11 | Cape Winelands (WCW) | 5 | 1211.4 | 5 | 2 | 1122.5 | 0 | Details |
| 14 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | Standard | 2023-02-25 | 2023-02-25 | Cape Winelands (WCW) | 5 | 1179.9 | 5 | 3 | 1333.6 | 0 | Details |
| 15 | Cape Winelands Schools Top Schools 2022 (U15 Mix) | Standard | 2022-08-27 | 2022-08-27 | Cape Winelands (WCW) | 5 | 1197.5 | 3 | 1 | 1035.3 | 0 | Details |
| 16 | Western Cape Schools Chess 2022 (U15 Girls) | Standard | 2022-05-07 | 2022-05-08 | Eden (WEG) | 6 | 1180.2 | 6 | 3.5 | 1253.8 | 0 | Details |
| 17 | Ceres Open 2022 (B) | Standard | 2022-04-23 | 2022-04-23 | Cape Winelands (WCW) | 6 | 1175.8 | 6 | 3 | 1204.8 | 0 | Details |
| 18 | Cape Winelands Schools 2022 (U15 Girls) | Standard | 2022-03-05 | 2022-03-05 | Cape Winelands (WCW) | 5 | 1144.9 | 5 | 3 | 1294.7 | 0 | Details |
| 19 | Central Winelands Schools Individual Trials 2022 (U15 Girls) | Rapid | 2022-02-19 | 2022-02-19 | Cape Winelands (WCW) | 5 | 1182.1 | 5 | 2.5 | 1223.6 | 0 | Details |
| 20 | Cape Winelands Open 2022 (Intermediate) | Standard | 2022-02-12 | 2022-02-13 | Cape Winelands (WCW) | 6 | 1182.1 | 5 | 1 | 972.6 | 0 | Details |
| 21 | Drakenstein Pioneers Inaugural 2020 (C) | Standard | 2020-03-14 | 2020-03-14 | Cape Winelands (WCW) | 5 | 1183.8 | 4 | 2 | 1173.5 | 0 | Details |
| 22 | Paul Roos Blitz 2020 | Blitz | 2020-02-22 | 2020-02-22 | Cape Winelands (WCW) | 9 | 1136.7 | 9 | 4 | 1215.1 | 0 | Details |
| 23 | 2020 Welgemoed Chess Challenge (U14) | Rapid | 2020-02-29 | 2020-02-29 | Cape Town (WCT) | 5 | 1136.7 | 5 | 2 | 1163 | 0 | Details |
| 24 | Cape Winelands Schools Trials 1 2020 (U13 Girls) | Rapid | 2020-02-08 | 2020-02-08 | Cape Winelands (WCW) | 6 | 1136.7 | 6 | 4.5 | 1362.8 | 0 | Details |
| 25 | Back to School Rapid 2020 (Girls) | Rapid | 2020-02-01 | 2020-02-01 | West Coast (WCU) | 5 | 1136.7 | 4 | 2 | 1160.1 | 0 | Details |
| 26 | 2019 Western Province League (E) | Standard | 2019-07-27 | 2019-08-10 | Cape Town (WCT) | 9 | 1163.6 | 3 | 0.5 | 922.9 | 0 | Details |
| 27 | Cape Winelands Schools - Top Schools 2019 (U13 Mix) | Rapid | 2019-07-27 | 2019-07-27 | Cape Winelands (WCW) | 5 | 1175.8 | 5 | 2.5 | 1043.7 | 0 | Details |
| 28 | Drakenstein Dragons Rapid 2019 (U13) | Rapid | 2019-06-15 | 2019-06-15 | Cape Winelands (WCW) | 7 | 1200 | 7 | 2 | 1006.1 | 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 | 146 |
| Wins | 59 |
| Draws | 14 |
| Losses | 73 |
| White | 73 |
| Black | 73 |
| White wins | 33 |
| Black wins | 26 |
| Score | 66 |
| Percent | 45.2 |
| Dp | -40.8 |
| AOR | 1214.8 |
| Performance | 1174.1 |
Rankings (Main)
| National | |
| Overall | 10787 |
| Gender | 2190 |
| Age group | 1326 |
| Gender/Age | 222 |
| Provincial | |
| Overall | 3083 |
| Gender | 712 |
| Age group | 342 |
| Gender/Age | 68 |
| Regional | |
| Overall | 461 |
| Gender | 125 |
| Age group | 60 |
| Gender/Age | 13 |
Rankings (Standard)
| National | |
| Overall | 9566 |
| Gender | 2076 |
| Age group | 1135 |
| Gender/Age | 204 |
| Provincial | |
| Overall | 2685 |
| Gender | 679 |
| Age group | 302 |
| Gender/Age | 60 |
| Regional | |
| Overall | 415 |
| Gender | 117 |
| Age group | 59 |
| Gender/Age | 12 |
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 | 19 |
| Score | 6 |
| Percent | 31.6 |
| Aor | 1221 |
| Dp | -156.6 |
| Prat | 1064.4 |
Performance (History)
| Games | 146 |
| Score | 66 |
| Percent | 45.2 |
| Aor | 1214.8 |
| Dp | -40.8 |
| Prat | 1174.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Keyster, W (Wayleetho) | 6 | 3 | 3 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | WCSC Kings & Queens 2025 (Queens) | Details |
| Overall | 2 | Alkaster, M (Mianca) | 4 | 2 | 2 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | Western Cape Schools Individual Championship 2025 (U19 Girls) | Details |
| Overall | 3 | Scheepers, M (Mieke) | 4 | 1 | 3 | Cape Winelands Schools Trials 1 2020 (U13 Girls) | Cape Winelands Schools Prestige 2025 (U19 Girls) | Details |
| Overall | 4 | Hall, K (Kirsten) | 3 | 0 | 3 | Central Winelands Schools Individual Trials 2022 (U15 Girls) | Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) | Details |
| Overall | 5 | Springveldt, D (Deileeya) | 3 | 2 | 1 | Cape Winelands Schools Prestige 2023 (U17 Girls) | Cape Winelands Schools Prestige 2025 (U19 Girls) | Details |
| Standard | 1 | Keyster, W (Wayleetho) | 4 | 2 | 2 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | Cape Winelands Schools - Trials 1 2025 (U19 Girls) | Details |
| Standard | 2 | Alkaster, M (Mianca) | 4 | 2 | 2 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | Western Cape Schools Individual Championship 2025 (U19 Girls) | Details |
| Standard | 3 | Scheepers, M (Mieke) | 3 | 1 | 2 | Western Cape HS Individuals Championship 2024 (U18 Girls) | Cape Winelands Schools Prestige 2025 (U19 Girls) | Details |
| Standard | 4 | Springveldt, D (Deileeya) | 3 | 2 | 1 | Cape Winelands Schools Prestige 2023 (U17 Girls) | Cape Winelands Schools Prestige 2025 (U19 Girls) | Details |
| Standard | 5 | Claassen, C (Carli) | 3 | 2 | 1 | Cape Winelands Schools 2022 (U15 Girls) | Cape Winelands Schools Prestige 2023 (U17 Girls) | Details |
| Rapid | 1 | Hall, K (Kirsten) | 3 | 0 | 3 | Central Winelands Schools Individual Trials 2022 (U15 Girls) | Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) | Details |
| Rapid | 2 | Keyster, W (Wayleetho) | 2 | 1 | 1 | WCSC Kings & Queens 2025 (Queens) | WCSC Kings & Queens 2025 (Queens) | Details |
| Rapid | 3 | Booysen, T (Timica) | 2 | 1 | 1 | Central Winelands Schools Individual Trials 2022 (U15 Girls) | Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) | Details |
| Rapid | 4 | Januarie, Z (Zanay) | 2 | 1 | 1 | WCSC Kings & Queens 2025 (Queens) | WCSC Kings & Queens 2025 (Queens) | Details |