PLAYER PAGE
Willem Groenewald
1100161467Cape Winelands (WCW)Personal
Main rating
| Rating | 1544.8 |
| K-factor | 32 |
| Floor | 1046.1 |
| Highest | 1546.1 (2025-07-01) |
| Min/Max +/- allowed | 101 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 4.82 |
| SWe | -1.1 |
| Temp +/- | -35.3 |
| Penalties | 0 |
| Weight perform | 1427.5 |
| Final +/- | -35.3 |
| New Rating () | |
| Rating | 1509.5 |
| K-factor | 32 |
| Floor | 1046.1 |
| Highest | 1546.1 (2025-07-01) |
| Min/Max +/- allowed | 101.3 |
Standard rating
| Rating | 1486.3 |
| K-factor | 32 |
| Floor | 1041.9 |
| Highest | 1541.9 (2025-07-01) |
| Min/Max +/- allowed | 101.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1421.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1486.3 |
| K-factor | 32 |
| Floor | 1041.9 |
| Highest | 1541.9 (2025-07-01) |
| Min/Max +/- allowed | 101.9 |
Rapid rating
| Rating | 1517.7 |
| K-factor | 32 |
| Floor | 910.6 |
| Highest | 1567 (2023-08-01) |
| Min/Max +/- allowed | 98.3 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 4.82 |
| SWe | -1.82 |
| Temp +/- | -58.3 |
| Penalties | 0 |
| Weight perform | 1451.5 |
| Final +/- | -58.3 |
| New Rating () | |
| Rating | 1459.3 |
| K-factor | 32 |
| Floor | 910.6 |
| Highest | 1567 (2023-08-01) |
| Min/Max +/- allowed | 98.3 |
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 |
| 1 | Worcester Knock-Out 2026 (U18 Boys) | Rapid | 2026-10-10 | 2026-10-10 | Cape Winelands (WCW) | 6 | 1544.8 | 6 | 3 | 1289 | -35.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape Schools - Kings and Queens 2026 (Kings) | Rapid | 2026-08-15 | 2026-08-15 | Cape Winelands (WCW) | 6 | 1544.8 | 6 | 5.5 | 1777.2 | 38.4 | Details |
| 2 | Cape Winelands - Top Schools 2026 (U19 Mix) | Rapid | 2026-07-25 | 2026-07-25 | Cape Winelands (WCW) | 5 | 1497.4 | 5 | 3 | 1571.1 | 9 | Details |
| 3 | 2026 WCSC HS Individual Championship (U18 Boys) | Standard | 2026-05-02 | 2026-05-03 | Eden (WEG) | 6 | 1483.2 | 6 | 3 | 1560.1 | 14.3 | Details |
| 4 | Cape Winelands Schools - Prestige 2026 (U18 Boys) | Standard | 2026-03-21 | 2026-03-21 | Cape Winelands (WCW) | 5 | 1532.8 | 5 | 3.5 | 1469.1 | -10.7 | Details |
| 5 | Cape Winelands Open Rapid 2026 (Advanced) | Rapid | 2026-03-14 | 2026-03-14 | Cape Winelands (WCW) | 6 | 1532.8 | 6 | 2 | 1308.5 | -23.8 | Details |
| 6 | Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) | Standard | 2026-02-28 | 2026-02-28 | Cape Winelands | 5 | 1532.8 | 5 | 3.5 | 1440.1 | -15.2 | Details |
| 7 | Marie Delport Memorial 2026 (Open) | Standard | 2026-01-31 | 2026-01-31 | Cape Winelands (WCW) | 6 | 1519 | 6 | 4.5 | 1588.5 | 4.8 | Details |
| 8 | 2025 Mzansi Inter Provincial Team Championships (U16 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1516 | 5 | 3.5 | 1540.5 | 3.3 | Details |
| 9 | WCSC Kings & Queens 2025 (Kings) | Rapid | 2025-11-29 | 2025-11-29 | Cape Winelands (WCW) | 6 | 1516 | 4 | 2 | 1492.9 | -1.4 | Details |
| 10 | Western Cape Club Championship 2025 (B) | Standard | 2025-10-25 | 2025-10-26 | Overberg (WOS) | 5 | 1502.8 | 5 | 3 | 1490.1 | 0 | Details |
| 11 | Worcester Schools Knock-Out 2025 (U15+U18 Boys) | Rapid | 2025-10-18 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1502.8 | 6 | 5 | 1598.3 | 8.3 | Details |
| 12 | Western Cape Schools - Top Schools 2025 (U17) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1501.5 | 6 | 3.5 | 1519.8 | 0.8 | Details |
| 13 | Cape Winelands Top Schools 2025 (U15) | Rapid | 2025-08-23 | 2025-08-23 | Cape Winelands (WCW) | 5 | 1509.1 | 4 | 2 | 1427.5 | -4.8 | Details |
| 14 | Cape Winelands Open 2025 (Advanced) | Standard | 2025-07-19 | 2025-07-20 | Cape Winelands (WCW) | 6 | 1546.1 | 6 | 2.5 | 1357.7 | -23.1 | Details |
| 15 | 2025 WC Rural Cup (U16) | Standard | 2025-06-14 | 2025-06-15 | Eden (WEG) | 6 | 1471.5 | 6 | 4 | 1693.2 | 25.9 | Details |
| 16 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1345.6 | 6 | 4.5 | 1737.1 | 44.3 | Details |
| 17 | Cape Winelands Schools Prestige 2025 (U15 Boys) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 5 | 1345.1 | 5 | 3 | 1353.8 | 0.2 | Details |
| 18 | Cape Winelands Schools - Trials 1 2025 (U15 Boys) | Standard | 2025-02-08 | 2025-02-08 | Cape Winelands (WCW) | 5 | 1318.4 | 5 | 3.5 | 1477.3 | 14.8 | Details |
| 19 | Marie Delport Memorial 2025 (Open) | Standard | 2025-01-25 | 2025-01-26 | Cape Winelands (WCW) | 6 | 1313.9 | 6 | 2.5 | 1337.8 | 2.4 | Details |
| 20 | Worcester Knock-Out 2024 (U15 Boys) | Rapid | 2024-10-19 | 2024-10-19 | Cape Winelands (WCW) | 6 | 1302.9 | 6 | 4 | 1374 | 6.2 | Details |
| 21 | Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Boys) | Rapid | 2024-06-08 | 2024-06-08 | Overberg (WOS) | 6 | 1263.2 | 6 | 4.5 | 1499.6 | 21.9 | Details |
| 22 | Cape Winelands Schools - Prestige 2024 (U15 Boys) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1262.6 | 5 | 2 | 1273 | 0.3 | Details |
| 23 | Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) | Rapid | 2024-02-17 | 2024-02-17 | Cape Winelands (WCW) | 6 | 1241 | 6 | 4 | 1372 | 12.2 | Details |
| 24 | Western Cape Top Schools 2023 (U13 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1247.6 | 5 | 1.5 | 1204.6 | -3.7 | Details |
| 25 | CW Top Schools 2023 (U13 Mix + U13 Girls) | Rapid | 2023-08-26 | 2023-08-26 | Cape Winelands (WCW) | 5 | 1200 | 5 | 4.5 | 1550.8 | 26.3 | Details |
Game statistics ( )
| Games | 6 |
| Wins | 3 |
| Draws | 0 |
| Losses | 3 |
| White | 4 |
| Black | 2 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1289 |
| Performance | 1289 |
Game statistics ()
| Games | 45 |
| Wins | 26 |
| Draws | 4 |
| Losses | 15 |
| White | 24 |
| Black | 21 |
| White wins | 15 |
| Black wins | 11 |
| Score | 28 |
| Percent | 62.2 |
| Dp | 103.9 |
| AOR | 1397 |
| Performance | 1500.9 |
Game statistics (History)
| Games | 142 |
| Wins | 78 |
| Draws | 19 |
| Losses | 45 |
| White | 74 |
| Black | 68 |
| White wins | 41 |
| Black wins | 37 |
| Score | 87.5 |
| Percent | 61.6 |
| Dp | 98.8 |
| AOR | 1377.4 |
| Performance | 1476.1 |
Rankings (Main)
| National | |
| Overall | 1520 |
| Gender | 1369 |
| Age group | 188 |
| Gender/Age | 163 |
| Provincial | |
| Overall | 453 |
| Gender | 400 |
| Age group | 56 |
| Gender/Age | 47 |
| Regional | |
| Overall | 53 |
| Gender | 40 |
| Age group | 9 |
| Gender/Age | 6 |
Rankings (Standard)
| National | |
| Overall | 1939 |
| Gender | 1670 |
| Age group | 261 |
| Gender/Age | 225 |
| Provincial | |
| Overall | 552 |
| Gender | 450 |
| Age group | 73 |
| Gender/Age | 60 |
| Regional | |
| Overall | 70 |
| Gender | 51 |
| Age group | 14 |
| Gender/Age | 9 |
Rankings (Rapid)
| National | |
| Overall | 387 |
| Gender | 360 |
| Age group | 49 |
| Gender/Age | 47 |
| Provincial | |
| Overall | 180 |
| Gender | 167 |
| Age group | 27 |
| Gender/Age | 26 |
| Regional | |
| Overall | 22 |
| Gender | 18 |
| Age group | 5 |
| Gender/Age | 4 |
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 | 6 |
| Score | 3 |
| Percent | 50 |
| Aor | 1289 |
| Dp | 0 |
| Prat | 1289 |
Performance ()
| Games | 45 |
| Score | 28 |
| Percent | 62.2 |
| Aor | 1397 |
| Dp | 103.9 |
| Prat | 1500.9 |
Performance (12 months)
| Games | 54 |
| Score | 33.5 |
| Percent | 62 |
| Aor | 1401.7 |
| Dp | 102.3 |
| Prat | 1504 |
Performance (History)
| Games | 142 |
| Score | 87.5 |
| Percent | 61.6 |
| Aor | 1377.4 |
| Dp | 98.8 |
| Prat | 1476.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Vanana, L (Libongile) | 3 | 1 | 2 | Cape Winelands Schools Prestige 2025 (U15 Boys) | Marie Delport Memorial 2026 (Open) | Details |
| Overall | 2 | Lielieveld, J (Jadrian) | 3 | 1 | 2 | WCSC Kings & Queens 2025 (Kings) | 2026 WCSC HS Individual Championship (U18 Boys) | Details |
| Overall | 3 | Taute, H (Haygon) | 2 | 1 | 1 | Western Cape Schools - Kings and Queens 2026 (Kings) | Western Cape Schools - Kings and Queens 2026 (Kings) | Details |
| Overall | 4 | Blaauws, I (Ilano) | 2 | 1 | 1 | Worcester Schools Knock-Out 2025 (U15+U18 Boys) | Cape Winelands Schools - Prestige 2026 (U18 Boys) | Details |
| Overall | 5 | Khati, A (Abokwe) | 2 | 1 | 1 | Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) | Cape Winelands Schools - Prestige 2026 (U18 Boys) | Details |
| Standard | 1 | Coleman, A (Anthony) | 2 | 1 | 1 | 2025 WC Rural Cup (U16) | 2025 WC Rural Cup (U16) | Details |
| Standard | 2 | Muller, K (Kieran) | 2 | 1 | 1 | 2025 WC Rural Cup (U16) | 2025 WC Rural Cup (U16) | Details |
| Standard | 3 | Khati, A (Abokwe) | 2 | 1 | 1 | Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) | Cape Winelands Schools - Prestige 2026 (U18 Boys) | Details |
| Standard | 4 | Vanana, L (Libongile) | 2 | 0 | 2 | Cape Winelands Schools Prestige 2025 (U15 Boys) | Marie Delport Memorial 2026 (Open) | Details |
| Standard | 5 | Barnard, B (Benjamin) | 2 | 2 | 0 | Cape Winelands Schools Prestige 2025 (U15 Boys) | Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) | Details |
| Rapid | 1 | Tshiwula, N (Naba) | 2 | 2 | 0 | Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) | Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Boys) | Details |
| Rapid | 2 | Van Rhyn, R (Remigio) | 2 | 1 | 1 | CW Top Schools 2023 (U13 Mix + U13 Girls) | Worcester Schools Knock-Out 2025 (U15+U18 Boys) | Details |
| Rapid | 3 | Oordman, C (Christiano) | 2 | 1 | 1 | WCSC Kings & Queens 2025 (Kings) | WCSC Kings & Queens 2025 (Kings) | Details |
| Rapid | 4 | Taute, H (Haygon) | 2 | 1 | 1 | Western Cape Schools - Kings and Queens 2026 (Kings) | Western Cape Schools - Kings and Queens 2026 (Kings) | Details |
| Rapid | 5 | Stephanus, E (Earl) | 2 | 1 | 1 | Western Cape Schools - Kings and Queens 2026 (Kings) | Western Cape Schools - Kings and Queens 2026 (Kings) | Details |