PLAYER PAGE
Isabella Grovers
2160316280Cape Winelands (WCW)Personal
Main rating
| Rating | 1409.5 |
| K-factor | 32 |
| Floor | 974.6 |
| Highest | 1474.6 (2026-03-01) |
| Min/Max +/- allowed | 112 |
| Rating Change () | |
| Games | 6 |
| Score | 3.5 |
| We | 3.69 |
| SWe | -0.1 |
| Temp +/- | -3.3 |
| Penalties | 0 |
| Weight perform | 1283.7 |
| Final +/- | -3.3 |
| New Rating () | |
| Rating | 1406.2 |
| K-factor | 32 |
| Floor | 974.6 |
| Highest | 1474.6 (2026-03-01) |
| Min/Max +/- allowed | 112.1 |
Standard rating
| Rating | 1447.8 |
| K-factor | 32 |
| Floor | 985.1 |
| Highest | 1485.1 (2026-03-01) |
| Min/Max +/- allowed | 110.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1400.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1447.8 |
| K-factor | 32 |
| Floor | 985.1 |
| Highest | 1485.1 (2026-03-01) |
| Min/Max +/- allowed | 110.5 |
Rapid rating
| Rating | 1251.5 |
| K-factor | 36 |
| Floor | 751.5 |
| Highest | 1251.5 (2026-09-01) |
| Min/Max +/- allowed | 154.1 |
| Rating Change () | |
| Games | 6 |
| Score | 3.5 |
| We | 3.24 |
| SWe | 0.26 |
| Temp +/- | 9.5 |
| Penalties | 0 |
| Weight perform | 1265.5 |
| Final +/- | +14 |
| New Rating () | |
| Rating | 1265.5 |
| K-factor | 36 |
| Floor | 765.5 |
| Highest | 1265.5 (2026-10-01) |
| Min/Max +/- allowed | 151 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| 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 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | The Nautilus Chess Tournament 2026 (U11 Girls) | Rapid | 2026-09-19 | 2026-09-19 | Cape Winelands (WCW) | 6 | 1409.5 | 6 | 3.5 | 1331.9 | -3.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape - Top Schools 2026 (U11 Girls) | Standard | 2026-09-05 | 2026-09-06 | Cape Winelands (WCW) | 6 | 1389.5 | 6 | 4 | 1495.6 | 19.9 | Details |
| 2 | Curro Chess Open Rapid 2026 (U12) | Rapid | 2026-08-29 | 2026-08-29 | Cape Town (WCT) | 6 | 1389.5 | 6 | 2 | 1109.6 | -34.7 | Details |
| 3 | Cape Winelands Queens Rapid 2026 (U12) | Rapid | 2026-08-01 | 2026-08-01 | Cape Winelands (WCW) | 6 | 1389.5 | 6 | 4 | 1447.4 | 3.4 | Details |
| 4 | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Rapid | 2026-07-25 | 2026-07-25 | Cape Winelands (WCW) | 5 | 1422.3 | 4 | 3 | 1404.8 | -1.4 | Details |
| 5 | 2026 WCSC PS Individual Championship (U11 Girls) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1438.8 | 6 | 3 | 1318.7 | -24.5 | Details |
| 6 | Moja Chess Extravaganza 2026 (U10) | Standard | 2026-04-25 | 2026-04-26 | Cape Town (WCT) | 5 | 1438.8 | 5 | 3 | 1481.8 | 8 | Details |
| 7 | All Girls' Junior Schools' Festival 2026 | Rapid | 2026-03-27 | 2026-03-28 | Cape Town (WCT) | 6 | 1474.6 | 5 | 1.5 | 1115.2 | -35.8 | Details |
| 8 | Cape Winelands Schools - Prestige 2026 (U11 Girls) | Standard | 2026-03-21 | 2026-03-21 | Cape Winelands (WCW) | 5 | 1387.2 | 5 | 4 | 1580.3 | 32.8 | Details |
| 9 | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Standard | 2026-02-14 | 2026-02-14 | Cape Winelands (WCW) | 5 | 1329.9 | 5 | 4 | 1505.2 | 17.8 | Details |
| 10 | Marie Delport Memorial 2026 (U12 Girls) | Standard | 2026-01-31 | 2026-01-31 | Cape Winelands (WCW) | 5 | 1329.9 | 5 | 3 | 1295 | -4 | Details |
| 11 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1245.7 | 5 | 5 | 1690.3 | 44.2 | Details |
| 12 | WCSC Kings & Queens 2025 (Queens) | Rapid | 2025-11-29 | 2025-11-29 | Cape Winelands (WCW) | 6 | 1245.7 | 4 | 2 | 1291.9 | 2.6 | Details |
| 13 | Cape Winelands Queens 2025 (Open) | Rapid | 2025-06-21 | 2025-06-21 | Cape Winelands (WCW) | 6 | 1263.3 | 5 | 1.5 | 1103.5 | -9.8 | Details |
| 14 | Western Cape Schools Individual Championship 2025 (U9 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1207.9 | 6 | 4 | 1471.8 | 30.7 | Details |
| 15 | Cape Winelands Schools Prestige 2025 (U9 Girls) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 6 | 1195.6 | 6 | 3 | 1236.6 | 6.1 | Details |
| 16 | Cape Winelands Schools - Trials 1 2025 (U9 Girls) | Standard | 2025-02-22 | 2025-02-22 | Cape Winelands (WCW) | 5 | 1200 | 5 | 1 | 924.8 | -27.6 | 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 | 59 |
| Wins | 34 |
| Draws | 2 |
| Losses | 23 |
| White | 31 |
| Black | 28 |
| White wins | 17 |
| Black wins | 17 |
| Score | 35 |
| Percent | 59.3 |
| Dp | 79.2 |
| AOR | 1289 |
| Performance | 1368.2 |
Game statistics (History)
| Games | 90 |
| Wins | 49 |
| Draws | 5 |
| Losses | 36 |
| White | 45 |
| Black | 45 |
| White wins | 24 |
| Black wins | 25 |
| Score | 51.5 |
| Percent | 57.2 |
| Dp | 61.4 |
| AOR | 1280.1 |
| Performance | 1341.5 |
Rankings (Main)
| National | |
| Overall | 3397 |
| Gender | 510 |
| Age group | 314 |
| Gender/Age | 69 |
| Provincial | |
| Overall | 1026 |
| Gender | 197 |
| Age group | 107 |
| Gender/Age | 33 |
| Regional | |
| Overall | 142 |
| Gender | 32 |
| Age group | 15 |
| Gender/Age | 6 |
Rankings (Standard)
| National | |
| Overall | 2411 |
| Gender | 363 |
| Age group | 219 |
| Gender/Age | 43 |
| Provincial | |
| Overall | 697 |
| Gender | 144 |
| Age group | 68 |
| Gender/Age | 21 |
| Regional | |
| Overall | 89 |
| Gender | 24 |
| Age group | 7 |
| Gender/Age | 4 |
Rankings (Rapid)
| National | |
| Overall | 3066 |
| Gender | 594 |
| Age group | 480 |
| Gender/Age | 116 |
| Provincial | |
| Overall | 1222 |
| Gender | 266 |
| Age group | 195 |
| Gender/Age | 57 |
| Regional | |
| Overall | 206 |
| Gender | 55 |
| Age group | 31 |
| Gender/Age | 11 |
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 | 59 |
| Score | 35 |
| Percent | 59.3 |
| Aor | 1289 |
| Dp | 79.2 |
| Prat | 1368.2 |
Performance (12 months)
| Games | 68 |
| Score | 42 |
| Percent | 61.8 |
| Aor | 1287.4 |
| Dp | 100 |
| Prat | 1387.4 |
Performance (History)
| Games | 90 |
| Score | 51.5 |
| Percent | 57.2 |
| Aor | 1280.1 |
| Dp | 61.4 |
| Prat | 1341.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Swanepoel, M (Mariaan) | 3 | 2 | 1 | Cape Winelands Schools - Trials 1 2025 (U9 Girls) | WCSC Kings & Queens 2025 (Queens) | Details |
| Overall | 2 | Arendse, S (Scarlett) | 3 | 1 | 2 | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Details |
| Overall | 3 | Marais, J (Janli) | 2 | 1 | 1 | Moja Chess Extravaganza 2026 (U10) | 2026 WCSC PS Individual Championship (U11 Girls) | Details |
| Overall | 4 | Ferus, Z (Zarah) | 2 | 2 | 0 | Marie Delport Memorial 2026 (U12 Girls) | 2026 WCSC PS Individual Championship (U11 Girls) | Details |
| Overall | 5 | Plati, E (Elam) | 2 | 1 | 1 | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Details |
| Standard | 1 | Steel, L (Lujain) | 2 | 2 | 0 | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Cape Winelands Schools - Prestige 2026 (U11 Girls) | Details |
| Standard | 2 | Hendricks, W (Willow) | 2 | 1 | 1 | Western Cape Schools Individual Championship 2025 (U9 Girls) | 2026 WCSC PS Individual Championship (U11 Girls) | Details |
| Standard | 3 | Muller, E (Esra) | 2 | 0 | 2 | Western Cape Schools Individual Championship 2025 (U9 Girls) | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Details |
| Standard | 4 | Terblanche, A (Alaina) | 2 | 1 | 1 | Cape Winelands Schools Prestige 2025 (U9 Girls) | Cape Winelands Schools - Prestige 2026 (U11 Girls) | Details |
| Standard | 5 | Van Wyk, N (Nina) | 2 | 1 | 1 | Cape Winelands Schools - Trials 1 2025 (U9 Girls) | Cape Winelands Schools Prestige 2025 (U9 Girls) | Details |
| Rapid | 1 | Arendse, S (Scarlett) | 2 | 1 | 1 | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Details |
| Rapid | 2 | Avontuur, E (Ezrah) | 2 | 1 | 1 | WCSC Kings & Queens 2025 (Queens) | WCSC Kings & Queens 2025 (Queens) | Details |
| Rapid | 3 | Plati, E (Elam) | 2 | 1 | 1 | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Cape Winelands - Top Schools 2026 (U11+U13 Girls) | Details |
| Rapid | 4 | Swanepoel, M (Mariaan) | 2 | 1 | 1 | WCSC Kings & Queens 2025 (Queens) | WCSC Kings & Queens 2025 (Queens) | Details |