PLAYER PAGE
Erin Van Der Westhuizen
2160307560Overberg (WOS)Personal
Main rating
| Rating | 1374.1 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1401.9 (2025-09-01) |
| Min/Max +/- allowed | 124 |
| Rating Change () | |
| Games | 7 |
| Score | 3 |
| We | 4.74 |
| SWe | -1.74 |
| Temp +/- | -62.7 |
| Penalties | 0 |
| Weight perform | 1260 |
| Final +/- | -62.7 |
| New Rating () | |
| Rating | 1311.5 |
| K-factor | 36 |
| Floor | 878.4 |
| Highest | 1401.9 (2025-09-01) |
| Min/Max +/- allowed | 124.4 |
Standard rating
| Rating | 1343.9 |
| K-factor | 36 |
| Floor | 841.5 |
| Highest | 1361.5 (2025-09-01) |
| Min/Max +/- allowed | 131.7 |
| Rating Change () | |
| Games | 7 |
| Score | 3 |
| We | 4.5 |
| SWe | -1.5 |
| Temp +/- | -54 |
| Penalties | 0 |
| Weight perform | 1263 |
| Final +/- | -54 |
| New Rating () | |
| Rating | 1289.9 |
| 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 | 1362.7 |
| 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 | 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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 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 |
| 2 | 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 |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | COGH 2026 (U12) | Rapid | 2026-01-31 | 2026-02-01 | Cape Town (WCT) | 6 | 1310.6 | 6 | 3 | 1347 | 1.5 | Details |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | Kleinmond Chess Club Open 2025 (U10) | Rapid | 2025-08-30 | 2025-08-30 | Overberg (WOS) | 6 | 1318.4 | 6 | 5 | 1576 | 19.7 | Details |
| 13 | 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 |
| 14 | 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 |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |
| 20 | 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 |
| 21 | 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 |
| 22 | 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 |
| 23 | Kingsway Chess Open 2024 (U8) | Rapid | 2024-09-14 | 2024-09-14 | Overberg (WOS) | 6 | 1218.6 | 6 | 3 | 1157.5 | -4.1 | Details |
| 24 | Kleinmond Chess Club Open 2024 (U10) | Rapid | 2024-09-07 | 2024-09-07 | Overberg (WOS) | 6 | 1218.6 | 6 | 3 | 1154 | -4.9 | Details |
| 25 | 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 | 7 |
| Wins | 3 |
| Draws | 0 |
| Losses | 4 |
| White | 3 |
| Black | 4 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 42.9 |
| Dp | -60.7 |
| AOR | 1200.4 |
| Performance | 1139.7 |
Game statistics ()
| Games | 47 |
| Wins | 29 |
| Draws | 0 |
| Losses | 18 |
| White | 23 |
| Black | 24 |
| White wins | 18 |
| Black wins | 11 |
| Score | 29 |
| Percent | 61.7 |
| Dp | 99.5 |
| AOR | 1260.8 |
| Performance | 1360.2 |
Game statistics (History)
| Games | 151 |
| Wins | 83 |
| Draws | 5 |
| Losses | 63 |
| White | 74 |
| Black | 77 |
| White wins | 46 |
| Black wins | 37 |
| Score | 85.5 |
| Percent | 56.6 |
| Dp | 56.3 |
| AOR | 1262.3 |
| Performance | 1318.6 |
Rankings (Main)
| National | |
| Overall | 4224 |
| Gender | 690 |
| Age group | 385 |
| Gender/Age | 92 |
| Provincial | |
| Overall | 1296 |
| Gender | 260 |
| Age group | 128 |
| Gender/Age | 42 |
| Regional | |
| Overall | 77 |
| Gender | 22 |
| Age group | 10 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 4477 |
| Gender | 779 |
| Age group | 439 |
| Gender/Age | 97 |
| Provincial | |
| Overall | 1322 |
| Gender | 295 |
| Age group | 142 |
| Gender/Age | 44 |
| Regional | |
| Overall | 68 |
| Gender | 23 |
| Age group | 8 |
| Gender/Age | 3 |
Rankings (Rapid)
| National | |
| Overall | 976 |
| Gender | 122 |
| Age group | 116 |
| Gender/Age | 24 |
| Provincial | |
| Overall | 450 |
| Gender | 66 |
| Age group | 60 |
| Gender/Age | 18 |
| Regional | |
| Overall | 41 |
| Gender | 10 |
| 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 | 7 |
| Score | 3 |
| Percent | 42.9 |
| Aor | 1200.4 |
| Dp | -60.7 |
| Prat | 1139.7 |
Performance ()
| Games | 47 |
| Score | 29 |
| Percent | 61.7 |
| Aor | 1260.8 |
| Dp | 99.5 |
| Prat | 1360.2 |
Performance (12 months)
| Games | 90 |
| Score | 53 |
| Percent | 58.9 |
| Aor | 1271.2 |
| Dp | 75.6 |
| Prat | 1346.8 |
Performance (History)
| Games | 151 |
| Score | 85.5 |
| Percent | 56.6 |
| Aor | 1262.3 |
| Dp | 56.3 |
| Prat | 1318.6 |
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 | Tshota, E (Enkosi) | 3 | 2 | 1 | Kleinmond Chess Club Open 2024 (U10) | Overberg Schools - PS Closed 2025 (U9 Girls) | Details |
| Overall | 3 | Akemdien, A (Alex) | 3 | 2 | 1 | Hermanus Chess Club Open 2025 (U10) | Kleinmond Chess Club Open 2025 (U10) | Details |
| Overall | 4 | Sander, H (Hannah) | 3 | 2 | 1 | Kleinmond Chess Club Open 2025 (U10) | Overberg Schools Primary School Closed 2026 (U11 Girls) | Details |
| Overall | 5 | Daniels, S (Skye) | 2 | 2 | 0 | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Girls) | Overberg Schools Primary School Closed 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 | Crafford, Q (Quade) | 2 | 2 | 0 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Overberg Top Schools 2025 (U7+U9) | Details |
| Standard | 3 | Klopper, E (Elbe) | 2 | 0 | 2 | Helderberg Chess Club Open 2025 (U9) | Cape Winelands Open 2025 (U10) | Details |
| Standard | 4 | Du Preez, J (Janco) | 2 | 1 | 1 | Overberg Schools - Top Schools 2024 (U7+U9 Mixed) | Overberg Top Schools 2025 (U7+U9) | Details |
| Rapid | 1 | Sander, H (Hannah) | 2 | 2 | 0 | Kleinmond Chess Club Open 2025 (U10) | Overberg Schools Primary School Trials (Region 1) 2026 (U11 Girls) | Details |
| Rapid | 2 | Tshota, E (Enkosi) | 2 | 1 | 1 | Kleinmond Chess Club Open 2024 (U10) | Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls) | Details |
| Rapid | 3 | Naidoo, T (Teshar) | 2 | 0 | 2 | Curro Chess Open Rapid 2025 (U10) | COGH 2026 (U12) | Details |
| Rapid | 4 | 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 | 5 | Akemdien, A (Alex) | 2 | 1 | 1 | Hermanus Chess Club Open 2025 (U10) | Kleinmond Chess Club Open 2025 (U10) | Details |