PLAYER PAGE
Willmore Pietersen
189050816Cape Winelands (WCW)Personal
Main rating
| Rating | 1545.1 |
| K-factor | 32 |
| Floor | 1045.1 |
| Highest | 1545.1 (2026-06-01) |
| Min/Max +/- allowed | 101 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1308.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1545.1 |
| K-factor | 32 |
| Floor | 1045.1 |
| Highest | 1545.1 (2026-06-01) |
| Min/Max +/- allowed | 101.4 |
Standard rating
| Rating | 1547.9 |
| K-factor | 32 |
| Floor | 1047.9 |
| Highest | 1547.9 (2025-11-01) |
| Min/Max +/- allowed | 101 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 960.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1547.9 |
| K-factor | 32 |
| Floor | 1047.9 |
| Highest | 1547.9 (2025-11-01) |
| Min/Max +/- allowed | 101 |
Rapid rating
| Rating | 1368.2 |
| K-factor | 36 |
| Floor | 868.2 |
| Highest | 1368.2 (2025-08-01) |
| Min/Max +/- allowed | 130.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1176.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1368.2 |
| K-factor | 36 |
| Floor | 868.2 |
| Highest | 1368.2 (2025-08-01) |
| Min/Max +/- allowed | 130.5 |
Blitz rating
| Rating | 1345.7 |
| K-factor | 36 |
| Floor | 800.4 |
| Highest | 1392.8 (2020-02-01) |
| Min/Max +/- allowed | 126 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1345.7 |
| K-factor | 36 |
| Floor | 800.4 |
| Highest | 1392.8 (2020-02-01) |
| Min/Max +/- allowed | 126 |
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 | Moja Chess Extravaganza 2026 (Blitz) | Blitz | 2026-04-27 | 2026-04-27 | Cape Town (WCT) | 9 | 1540.4 | 9 | 4 | 1667.9 | 4.7 | Details |
| 2 | Cape Town Chess Federation Club League 2025 (A) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1503.6 | 1 | 0.5 | 1658.7 | 2.8 | Details |
| 3 | Cape Town Chess Federation Club League 2025 (B) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1503.6 | 5 | 2.5 | 1670.9 | 20.2 | Details |
| 4 | Blackjacks Chess Club Rapid Championship 2025 | Rapid | 2025-06-21 | 2025-06-21 | Cape Town (WCT) | 6 | 1500.6 | 6 | 3.5 | 1543.2 | 1.9 | Details |
| 5 | Cape of Good Hope Open 2025 (Advanced) | Standard | 2025-02-22 | 2025-02-23 | Cape Town (WCT) | 6 | 1493.2 | 6 | 3 | 1533.1 | 4.6 | Details |
| 6 | 2025 Kraaifontein Open Chess Championships (Rapid Open) | Rapid | 2025-01-05 | 2025-01-05 | Cape Town (WCT) | 6 | 1496.4 | 6 | 3 | 1447.4 | -4.1 | Details |
| 7 | Hermanus Chess Club Open 2024 (Advanced) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1492 | 7 | 3 | 1522.5 | 2.7 | Details |
| 8 | Steinitz Club Team Blitz Championship 2024 | Blitz | 2024-02-15 | 2024-02-15 | Cape Town (WCT) | 7 | 1487.5 | 7 | 3 | 1615.9 | 2.7 | Details |
| 9 | Cape of Good Hope Open 2023 (Rapid) | Rapid | 2023-01-29 | 2023-01-29 | Cape Town (WCT) | 6 | 1489.9 | 5 | 2 | 1475.6 | -1.5 | Details |
| 10 | 2022 Western Province Club League (C) | Classical | 2022-08-20 | 2022-10-01 | Cape Town (WCT) | 11 | 1420.8 | 7 | 6.5 | 1621.3 | 43.2 | Details |
| 11 | Western Cape Closed Championship 2022 (Blitz) | Blitz | 2022-09-24 | 2022-09-25 | Cape Winelands (WCW) | 7 | 1422.4 | 6 | 2 | 1385.6 | -1 | Details |
| 12 | CTCA Rapid Masters @ Kraaifontein Library 2022 (Open) | Rapid | 2022-05-15 | 2022-05-15 | Cape Town (WCT) | 6 | 1431.5 | 1 | 0 | 775 | -5.7 | Details |
| 13 | CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) | Rapid | 2022-04-18 | 2022-04-18 | Cape Town (WCT) | 6 | 1446 | 6 | 2 | 1282 | -9 | Details |
| 14 | Western Province Open 2022 (Advanced) | Standard | 2022-02-25 | 2022-02-27 | Cape Town (WCT) | 6 | 1444.5 | 6 | 3 | 1446 | 0.2 | Details |
| 15 | Cape Winelands Open 2022 (Advanced) | Standard | 2022-02-12 | 2022-02-13 | Cape Winelands (WCW) | 6 | 1444.5 | 6 | 3 | 1428.3 | -1.9 | Details |
| 16 | Kraaifontein Open 2022 (Intermediate) | Standard | 2022-01-08 | 2022-01-09 | Cape Town (WCT) | 6 | 1380.6 | 6 | 5.5 | 1681.3 | 35.7 | Details |
| 17 | Kraaifontein Rapid 2021 (Advanced) | Rapid | 2021-12-11 | 2021-12-12 | Cape Town (WCT) | 6 | 1367 | 6 | 3.5 | 1457.3 | 7.7 | Details |
| 18 | Western Cape Closed 2021 (Open) | Standard | 2021-09-24 | 2021-09-25 | Cape Winelands (WCW) | 6 | 1372 | 6 | 3.5 | 1346.9 | -3 | Details |
| 19 | Paul Roos Gymnasium Covid-19 Challenge 2021 (B) | Standard | 2021-02-27 | 2021-02-28 | Cape Winelands (WCW) | 5 | 1309.3 | 5 | 4 | 1652 | 35 | Details |
| 20 | 2020 Western Province Open (Prestige) | Standard | 2020-03-07 | 2020-03-08 | Cape Town (WCT) | 6 | 1259.8 | 6 | 4 | 1485.9 | 27.8 | Details |
| 21 | Paul Roos Blitz 2020 | Blitz | 2020-02-22 | 2020-02-22 | Cape Winelands (WCW) | 9 | 1239 | 9 | 6 | 1378.2 | 4.9 | Details |
| 22 | Nelson Mandela Rapid 2020 (Open) | Rapid | 2020-02-01 | 2020-02-01 | Cape Town (WCT) | 6 | 1239 | 6 | 2 | 1329.6 | 6.6 | Details |
| 23 | 2019 Western Cape Closed Chess Championships (D) | Standard | 2019-09-21 | 2019-09-22 | Cape Winelands (WCW) | 6 | 1200 | 6 | 4 | 1356.5 | 19.2 | Details |
| 24 | Maties Open Chess Tournament Section A | Standard | 2013-08-17 | 2013-08-18 | Boland (WB) | 7 | 0 | 3 | 0 | 742 | 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 | 9 |
| Wins | 4 |
| Draws | 0 |
| Losses | 5 |
| White | 4 |
| Black | 5 |
| White wins | 4 |
| Black wins | 0 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| AOR | 1715.1 |
| Performance | 1667.9 |
Game statistics (History)
| Games | 134 |
| Wins | 68 |
| Draws | 11 |
| Losses | 55 |
| White | 62 |
| Black | 72 |
| White wins | 35 |
| Black wins | 33 |
| Score | 73.5 |
| Percent | 54.9 |
| Dp | 41.2 |
| AOR | 1447.5 |
| Performance | 1488.8 |
Rankings (Main)
| National | |
| Overall | 1513 |
| Gender | 1364 |
| Age group | 613 |
| Gender/Age | 580 |
| Provincial | |
| Overall | 441 |
| Gender | 392 |
| Age group | 160 |
| Gender/Age | 148 |
| Regional | |
| Overall | 52 |
| Gender | 41 |
| Age group | 18 |
| Gender/Age | 15 |
Rankings (Standard)
| National | |
| Overall | 1342 |
| Gender | 1199 |
| Age group | 528 |
| Gender/Age | 496 |
| Provincial | |
| Overall | 379 |
| Gender | 331 |
| Age group | 136 |
| Gender/Age | 125 |
| Regional | |
| Overall | 48 |
| Gender | 37 |
| Age group | 17 |
| Gender/Age | 15 |
Rankings (Rapid)
| National | |
| Overall | 1251 |
| Gender | 1058 |
| Age group | 269 |
| Gender/Age | 256 |
| Provincial | |
| Overall | 558 |
| Gender | 462 |
| Age group | 113 |
| Gender/Age | 105 |
| Regional | |
| Overall | 94 |
| Gender | 70 |
| Age group | 12 |
| Gender/Age | 12 |
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 | 9 |
| Score | 4 |
| Percent | 44.4 |
| Aor | 1715.1 |
| Dp | -47.2 |
| Prat | 1667.9 |
Performance (12 months)
| Games | 15 |
| Score | 7 |
| Percent | 46.7 |
| Aor | 1696.6 |
| Dp | -28.3 |
| Prat | 1668.3 |
Performance (History)
| Games | 134 |
| Score | 73.5 |
| Percent | 54.9 |
| Aor | 1447.5 |
| Dp | 41.2 |
| Prat | 1488.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Munro, JM (Jonathan) | 4 | 1 | 3 | Kraaifontein Rapid 2021 (Advanced) | Moja Chess Extravaganza 2026 (Blitz) | Details |
| Overall | 2 | Louw, LT (Llewellyn Theodor) | 3 | 0 | 3 | Cape of Good Hope Open 2023 (Rapid) | Blackjacks Chess Club Rapid Championship 2025 | Details |
| Overall | 3 | Mnyasta, T (Tezihano) | 2 | 0 | 2 | Steinitz Club Team Blitz Championship 2024 | Blackjacks Chess Club Rapid Championship 2025 | Details |
| Overall | 4 | Smith, S (Shiloh) | 2 | 1 | 1 | 2020 Western Province Open (Prestige) | Steinitz Club Team Blitz Championship 2024 | Details |
| Overall | 5 | Blauw, S (Siyamthanda) | 2 | 2 | 0 | Kraaifontein Rapid 2021 (Advanced) | Hermanus Chess Club Open 2024 (Advanced) | Details |
| Standard | 1 | Nieuwoudt, N (Noreht) | 2 | 1 | 1 | Cape of Good Hope Open 2025 (Advanced) | Cape Town Chess Federation Club League 2025 (B) | Details |
| Rapid | 1 | Louw, LT (Llewellyn Theodor) | 3 | 0 | 3 | Cape of Good Hope Open 2023 (Rapid) | Blackjacks Chess Club Rapid Championship 2025 | Details |
| Rapid | 2 | Munro, JM (Jonathan) | 2 | 1 | 1 | Kraaifontein Rapid 2021 (Advanced) | CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) | Details |
| Rapid | 3 | Blauw, S (Siyamthanda) | 2 | 2 | 0 | Kraaifontein Rapid 2021 (Advanced) | Hermanus Chess Club Open 2024 (Advanced) | Details |