PLAYER PAGE
Erin Van Der Westhuizen
2160307560Overberg (WOS)Personal
Main rating
| Rating | 1268 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1401.9 (2025-09-01) |
| Min/Max +/- allowed | 124 |
| Rating Change () | |
| Games | 4 |
| Score | 1 |
| We | 1.56 |
| SWe | -0.46 |
| Temp +/- | -16.7 |
| Penalties | 0 |
| Weight perform | 1147.8 |
| Final +/- | -16.7 |
| New Rating () | |
| Rating | 1251.3 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1401.9 (2025-09-01) |
| Min/Max +/- allowed | 124.4 |
Standard rating
| Rating | 1243.6 |
| K-factor | 36 |
| Floor | 841.5 |
| Highest | 1361.5 (2025-09-01) |
| Min/Max +/- allowed | 131.7 |
| Rating Change () | |
| Games | 4 |
| Score | 1 |
| We | 1.48 |
| SWe | -0.48 |
| Temp +/- | -17.3 |
| Penalties | 0 |
| Weight perform | 1158.7 |
| Final +/- | -17.3 |
| New Rating () | |
| Rating | 1226.3 |
| K-factor | 36 |
| Floor | 841.5 |
| Highest | 1361.5 (2025-09-01) |
| Min/Max +/- allowed | 131.7 |
Rapid rating
| Rating | 1392.9 |
| K-factor | 32 |
| Floor | 900.9 |
| Highest | 1400.9 (2026-03-01) |
| Min/Max +/- allowed | 124.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1327.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1392.9 |
| K-factor | 32 |
| Floor | 900.9 |
| Highest | 1400.9 (2026-03-01) |
| Min/Max +/- allowed | 124.5 |
Blitz rating
| Rating | 1195.5 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| 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 | 1195.5 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | CTCF Women's Championship 2026 (U12 Girls) | Standard | 2026-09-24 | 2026-09-24 | Cape Town (WCT) | 5 | 1268 | 4 | 1 | 1150.5 | -16.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape - Top Schools 2026 (U11 Mix) | Standard | 2026-09-05 | 2026-09-06 | Cape Winelands (WCW) | 6 | 1309.3 | 6 | 2 | 1113 | -41.3 | Details |
| 2 | Overberg Top Schools 2026 (U11) | Standard | 2026-08-01 | 2026-08-01 | Overberg (WOS) | 5 | 1309.3 | 5 | 3 | 1251.7 | -2.2 | Details |
| 3 | South African Open Championship 2026 (U11 Girls) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1374.1 | 7 | 3 | 1139.7 | -62.7 | Details |
| 4 | Curro Hermanus Winter Open 2026 (U11) | Rapid | 2026-06-20 | 2026-06-20 | Overberg (WOS) | 6 | 1375.2 | 6 | 4 | 1366.7 | -1.1 | Details |
| 5 | 2026 WCSC PS Individual Championship (U11 Girls) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1389.8 | 6 | 4 | 1482.3 | 19.6 | Details |
| 6 | Moja Chess Extravaganza 2026 (U10) | Standard | 2026-04-25 | 2026-04-26 | Cape Town (WCT) | 5 | 1389.8 | 5 | 2 | 1189.1 | -34.2 | Details |
| 7 | Overberg Schools Primary School Closed 2026 (U11 Girls) | Standard | 2026-03-21 | 2026-03-21 | Overberg (WOS) | 5 | 1307.7 | 5 | 4 | 1467.8 | 27.1 | Details |
| 8 | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Girls) | Rapid | 2026-02-28 | 2026-02-28 | Overberg | 6 | 1307.7 | 6 | 6 | 1665.4 | 55 | Details |
| 9 | Laerskool Welgemoed Rapid 2026 (U12) | Rapid | 2026-02-14 | 2026-02-14 | Cape Town (WCT) | 6 | 1310.6 | 6 | 3 | 1250.1 | -4.6 | Details |
| 10 | COGH 2026 (U12) | Rapid | 2026-01-31 | 2026-02-01 | Cape Town (WCT) | 6 | 1310.6 | 6 | 3 | 1347 | 1.5 | Details |
| 11 | 2025 Mzansi Individual Championships (U10 Girls) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1347.1 | 6 | 2.5 | 1230 | -16.4 | Details |
| 12 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1347.1 | 6 | 2.5 | 1303 | -3.8 | Details |
| 13 | Hermanus Chess Club November Blitz 2025 (Junior) | Blitz | 2025-11-29 | 2025-11-29 | Overberg (WOS) | 9 | 1355.3 | 8 | 3.5 | 1248.6 | -4.6 | Details |
| 14 | Curro Hermanus Spring Open 2025 (U9) | Rapid | 2025-10-18 | 2025-10-18 | Overberg (WOS) | 6 | 1387.4 | 6 | 3 | 1234.7 | -12.8 | Details |
| 15 | Kleinmond Chess Club Open 2025 (U10) | Rapid | 2025-08-30 | 2025-08-30 | Overberg (WOS) | 6 | 1318.4 | 6 | 5 | 1576 | 19.7 | Details |
| 16 | Curro Chess Open Rapid 2025 (U10) | Rapid | 2025-08-23 | 2025-08-23 | Cape Town (WCT) | 6 | 1318.4 | 6 | 4 | 1329.8 | 0.1 | Details |
| 17 | Overberg Top Schools 2025 (U7+U9) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1318.4 | 5 | 3.5 | 1450.1 | 13.6 | Details |
| 18 | Cape Winelands Open 2025 (U10) | Standard | 2025-07-19 | 2025-07-19 | Cape Winelands (WCW) | 5 | 1255.5 | 5 | 3 | 1466.8 | 21.2 | Details |
| 19 | Helderberg Chess Club Open 2025 (U9) | Standard | 2025-06-07 | 2025-06-07 | Cape Town (WCT) | 5 | 1235.9 | 5 | 3 | 1354.4 | 10.8 | Details |
| 20 | Western Cape Schools Individual Championship 2025 (U9 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1253.3 | 6 | 3.5 | 1307.7 | 6.5 | Details |
| 21 | West Coast And Mykonos Open 2025 (U10) | Standard | 2025-05-02 | 2025-05-04 | West Coast (WCU) | 5 | 1253.3 | 4 | 1 | 1072 | -16 | Details |
| 22 | Hermanus Chess Club Open 2025 (U10) | Rapid | 2025-04-12 | 2025-04-12 | Overberg (WOS) | 7 | 1228.9 | 7 | 4 | 1376.4 | 13.6 | Details |
| 23 | Cape Town Open Chess Festival 2025 (U10) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1222.6 | 6 | 2 | 1197.7 | -3 | Details |
| 24 | Overberg Schools - PS Closed 2025 (U9 Girls) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1222.6 | 5 | 3 | 1296.5 | 6.5 | Details |
| 25 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1203.2 | 6 | 4 | 1329.2 | 10.8 | Details |
| 26 | Kingsway Chess Open 2024 (U8) | Rapid | 2024-09-14 | 2024-09-14 | Overberg (WOS) | 6 | 1218.6 | 6 | 3 | 1157.5 | -4.1 | Details |
| 27 | Kleinmond Chess Club Open 2024 (U10) | Rapid | 2024-09-07 | 2024-09-07 | Overberg (WOS) | 6 | 1218.6 | 6 | 3 | 1154 | -4.9 | Details |
| 28 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1200 | 5 | 3 | 1302.8 | 9.3 | 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 | 62 |
| Wins | 35 |
| Draws | 0 |
| Losses | 27 |
| White | 28 |
| Black | 34 |
| White wins | 20 |
| Black wins | 15 |
| Score | 35 |
| Percent | 56.5 |
| Dp | 54.8 |
| AOR | 1259.2 |
| Performance | 1314 |
Game statistics (History)
| Games | 166 |
| Wins | 89 |
| Draws | 5 |
| Losses | 72 |
| White | 79 |
| Black | 87 |
| White wins | 48 |
| Black wins | 41 |
| Score | 91.5 |
| Percent | 55.1 |
| Dp | 43.5 |
| AOR | 1261.6 |
| Performance | 1305.1 |
Rankings (Main)
| National | |
| Overall | 7542 |
| Gender | 1431 |
| Age group | 921 |
| Gender/Age | 227 |
| Provincial | |
| Overall | 2239 |
| Gender | 516 |
| Age group | 304 |
| Gender/Age | 91 |
| Regional | |
| Overall | 156 |
| Gender | 48 |
| Age group | 27 |
| Gender/Age | 9 |
Rankings (Standard)
| National | |
| Overall | 7513 |
| Gender | 1586 |
| Age group | 997 |
| Gender/Age | 258 |
| Provincial | |
| Overall | 2164 |
| Gender | 557 |
| Age group | 311 |
| Gender/Age | 99 |
| Regional | |
| Overall | 138 |
| Gender | 49 |
| Age group | 28 |
| Gender/Age | 9 |
Rankings (Rapid)
| National | |
| Overall | 1048 |
| Gender | 147 |
| Age group | 126 |
| Gender/Age | 29 |
| Provincial | |
| Overall | 490 |
| Gender | 74 |
| Age group | 66 |
| Gender/Age | 21 |
| Regional | |
| Overall | 47 |
| Gender | 12 |
| Age group | 6 |
| Gender/Age | 2 |
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 | 62 |
| Score | 35 |
| Percent | 56.5 |
| Aor | 1259.2 |
| Dp | 54.8 |
| Prat | 1314 |
Performance (12 months)
| Games | 82 |
| Score | 43.5 |
| Percent | 53 |
| Aor | 1274.8 |
| Dp | 25.9 |
| Prat | 1300.7 |
Performance (History)
| Games | 166 |
| Score | 91.5 |
| Percent | 55.1 |
| Aor | 1261.6 |
| Dp | 43.5 |
| Prat | 1305.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rasekgololo, B (Bandile) | 4 | 3 | 1 | Overberg Schools - PS Closed 2025 (U9 Girls) | Overberg Schools Primary School Closed 2026 (U11 Girls) | Details |
| Overall | 2 | Sander, H (Hannah) | 3 | 2 | 1 | Kleinmond Chess Club Open 2025 (U10) | Overberg Schools Primary School Closed 2026 (U11 Girls) | Details |
| Overall | 3 | Tshota, E (Enkosi) | 3 | 2 | 1 | Kleinmond Chess Club Open 2024 (U10) | Overberg Schools - PS Closed 2025 (U9 Girls) | Details |
| Overall | 4 | Akemdien, A (Alex) | 3 | 2 | 1 | Hermanus Chess Club Open 2025 (U10) | Kleinmond Chess Club Open 2025 (U10) | Details |
| Overall | 5 | Ramonyaluoe, M (Madalitso) | 2 | 2 | 0 | West Coast And Mykonos Open 2025 (U10) | South African Open Championship 2026 (U11 Girls) | Details |
| Standard | 1 | Rasekgololo, B (Bandile) | 3 | 3 | 0 | Overberg Schools - PS Closed 2025 (U9 Girls) | Overberg Schools Primary School Closed 2026 (U11 Girls) | Details |
| Standard | 2 | Klopper, E (Elbe) | 2 | 0 | 2 | Helderberg Chess Club Open 2025 (U9) | Cape Winelands Open 2025 (U10) | Details |
| Standard | 3 | Du Preez, J (Janco) | 2 | 1 | 1 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Overberg Top Schools 2025 (U7+U9) | Details |
| Standard | 4 | Ramonyaluoe, M (Madalitso) | 2 | 2 | 0 | West Coast And Mykonos Open 2025 (U10) | South African Open Championship 2026 (U11 Girls) | Details |
| Standard | 5 | Crafford, Q (Quade) | 2 | 2 | 0 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Overberg Top Schools 2025 (U7+U9) | Details |
| Rapid | 1 | Tshota, E (Enkosi) | 2 | 1 | 1 | Kleinmond Chess Club Open 2024 (U10) | Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls) | Details |
| Rapid | 2 | de Villiers, I (Isabelle) | 2 | 2 | 0 | Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Girls) | Details |
| Rapid | 3 | Akemdien, A (Alex) | 2 | 1 | 1 | Hermanus Chess Club Open 2025 (U10) | Kleinmond Chess Club Open 2025 (U10) | Details |
| Rapid | 4 | Sander, H (Hannah) | 2 | 2 | 0 | Kleinmond Chess Club Open 2025 (U10) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Girls) | Details |
| Rapid | 5 | Kuhn, D (Dian) | 2 | 0 | 2 | Hermanus Chess Club Open 2025 (U10) | Curro Hermanus Winter Open 2026 (U11) | Details |