PLAYER PAGE
Mackenzy Williams
2160137731Cape Winelands (WCW)Personal
Main rating
| Rating | 1413.2 |
| K-factor | 32 |
| Floor | 955.8 |
| Highest | 1457.5 (2026-02-28) |
| Min/Max +/- allowed | 115 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1330 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1413.2 |
| K-factor | 32 |
| Floor | 955.8 |
| Highest | 1457.5 (2026-02-28) |
| Min/Max +/- allowed | 114.9 |
Standard rating
| Rating | 1415.7 |
| K-factor | 32 |
| Floor | 943.2 |
| Highest | 1443.2 (2026-02-28) |
| Min/Max +/- allowed | 117.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1395.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1415.7 |
| K-factor | 32 |
| Floor | 943.2 |
| Highest | 1443.2 (2026-02-28) |
| Min/Max +/- allowed | 117.3 |
Rapid rating
| Rating | 1366 |
| K-factor | 32 |
| Floor | 901.9 |
| Highest | 1401.9 (2026-01-01) |
| Min/Max +/- allowed | 124.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1380 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1366 |
| K-factor | 32 |
| Floor | 901.9 |
| Highest | 1401.9 (2026-01-01) |
| Min/Max +/- allowed | 124.4 |
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 | South African Junior Closed Chess Championship 2026 (U10 Girls) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1413.2 | 0 | 0 | 500 | 0 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Cape Winelands Schools - Prestige 2026 (U11 Girls) | Standard | 2026-03-21 | 2026-03-21 | Cape Winelands (WCW) | 5 | 1457.5 | 5 | 3 | 1300.6 | -23 | Details |
| 2 | Cape Winelands Open Rapid 2026 (U12) | Rapid | 2026-03-14 | 2026-03-14 | Cape Winelands (WCW) | 6 | 1457.5 | 6 | 3 | 1256 | -21.2 | Details |
| 3 | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Standard | 2026-02-14 | 2026-02-14 | Cape Winelands (WCW) | 5 | 1429.5 | 5 | 4 | 1478.6 | 4.2 | Details |
| 4 | Marie Delport Memorial 2026 (U12 Girls) | Standard | 2026-01-31 | 2026-01-31 | Cape Winelands (WCW) | 5 | 1429.5 | 5 | 4 | 1546.6 | 6.8 | Details |
| 5 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1397.7 | 6 | 4 | 1458.9 | 7.3 | Details |
| 6 | WCSC Kings & Queens 2025 (Queens) | Rapid | 2025-11-29 | 2025-11-29 | Cape Winelands (WCW) | 6 | 1397.7 | 4 | 4 | 1608.4 | 12.6 | Details |
| 7 | Worcester Schools Knock-Out 2025 (U9) | Rapid | 2025-10-18 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1367.9 | 6 | 5 | 1587.3 | 18.6 | Details |
| 8 | De Villiers PS 2025 (U12 Girls) | Rapid | 2025-08-16 | 2025-08-16 | Cape Winelands (WCW) | 5 | 1363.9 | 5 | 3 | 1389.8 | 2.5 | Details |
| 9 | Cape Winelands Queens 2025 (U9) | Rapid | 2025-06-21 | 2025-06-21 | Cape Winelands (WCW) | 6 | 1370.8 | 6 | 3.5 | 1313.1 | -4.3 | Details |
| 10 | Western Cape Schools Individual Championship 2025 (U9 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1347.9 | 6 | 4 | 1472 | 14.6 | Details |
| 11 | Brave Knights Rapid 2025 (U11) | Rapid | 2025-05-03 | 2025-05-03 | Cape Winelands (WCW) | 6 | 1347.9 | 6 | 3 | 1345.3 | -0.3 | Details |
| 12 | South African Junior Closed Chess Championships 2025 (U10 Girls) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1404.4 | 8 | 2.5 | 1210.6 | -36.4 | Details |
| 13 | Cape Winelands Schools Prestige 2025 (U9 Girls) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 6 | 1322.5 | 6 | 5.5 | 1568.9 | 29 | Details |
| 14 | Cape Winelands Schools - Trials 1 2025 (U9 Girls) | Standard | 2025-02-22 | 2025-02-22 | Cape Winelands (WCW) | 5 | 1299.9 | 5 | 4 | 1438.1 | 12.9 | Details |
| 15 | Marie Delport Memorial 2025 (U10 Boys+Girls) | Standard | 2025-01-25 | 2025-01-26 | Cape Winelands (WCW) | 6 | 1270.2 | 6 | 4 | 1400.5 | 15.3 | Details |
| 16 | Mzansi Interprovincial Youth Chess Championships 2024 (U10 Girls Championship) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1285.2 | 6 | 2 | 1219.5 | -9.4 | Details |
| 17 | Worcester Knock-Out 2024 (U9 Girls) | Rapid | 2024-10-19 | 2024-10-19 | Cape Winelands (WCW) | 6 | 1284.2 | 5 | 3 | 1278.8 | -0.8 | Details |
| 18 | Strategema Chess October 2024 (U9) | Standard | 2024-10-05 | 2024-10-05 | Cape Winelands (WCW) | 5 | 1284.2 | 5 | 3 | 1305.4 | 1.5 | Details |
| 19 | De Villiers PS Tournament 2024 (U10) | Standard | 2024-08-17 | 2024-08-17 | Cape Winelands (WCW) | 5 | 1282.9 | 5 | 3 | 1295.4 | 0.8 | Details |
| 20 | Western Cape PS Individuals Championship 2024 (U9 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1272 | 6 | 4 | 1330.8 | 6.8 | Details |
| 21 | Brave Knights 2024 (U9) | Rapid | 2024-03-16 | 2024-03-16 | Cape Winelands (WCW) | 6 | 1288.2 | 6 | 3 | 1190.3 | -8.2 | Details |
| 22 | Cape Winelands Schools - Prestige 2024 (U9 Girls) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1288.2 | 5 | 3 | 1274.1 | -2 | Details |
| 23 | Cape Winelands Schools - PS Trials 1 2024 (U9 Girls) | Rapid | 2024-02-10 | 2024-02-10 | Cape Winelands (WCW) | 6 | 1301.1 | 6 | 3 | 1201.9 | -8 | Details |
| 24 | Cape Winelands - Marie Delport Memorial 2024 (U10) | Rapid | 2024-01-27 | 2024-01-27 | Cape Winelands (WCW) | 6 | 1313.4 | 6 | 3 | 1197 | -7.7 | Details |
| 25 | Ashton Skaakmat Rapid 2023 (U7) | Rapid | 2023-11-18 | 2023-11-18 | Cape Winelands (WCW) | 6 | 1340.9 | 5 | 2 | 1088.1 | -17.3 | Details |
| 26 | Robertson Chess Tournament Oct 2023 (U9) | Standard | 2023-10-28 | 2023-10-28 | Cape Winelands (WCW) | 5 | 1416.3 | 5 | 1.5 | 1081.3 | -31.9 | Details |
| 27 | Bonnievale Open Rapid 2023 (U8) | Rapid | 2023-10-21 | 2023-10-21 | Cape Winelands (WCW) | 6 | 1416.3 | 6 | 3 | 1213.7 | -15.3 | Details |
| 28 | Western Cape PS Individuals 2023 (U7 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1371.5 | 6 | 5 | 1512 | 16.6 | Details |
| 29 | Cape Winelands Schools Prestige 2023 (U7 Boys+Girls) | Standard | 2023-03-11 | 2023-03-11 | Cape Winelands (WCW) | 5 | 1275.8 | 4 | 4 | 1514.9 | 18.8 | Details |
| 30 | Langeberg Schools Chess Trials 2023 (U7 Boys+Girls) | Rapid | 2023-02-11 | 2023-02-11 | Cape Winelands (WCW) | 5 | 1166 | 4 | 3.5 | 1432.7 | 15.2 | Details |
| 31 | Cape Winelands Schools Chess - Trials 1 2023 (U7 Boys+Girls) | Standard | 2023-02-18 | 2023-02-18 | Cape Winelands (WCW) | 5 | 1166 | 5 | 4.5 | 1454.7 | 27.6 | Details |
| 32 | CW Grass Roots Tournament 2022 (U7 Boys+Girls) | Standard | 2022-11-19 | 2022-11-19 | Cape Winelands (WCW) | 5 | 1143.4 | 5 | 3 | 1253.1 | 11.5 | Details |
| 33 | Western Cape Top Schools 2022 (U7 Mix) | Standard | 2022-09-16 | 2022-09-17 | Overberg (WOS) | 6 | 1132.4 | 4 | 2 | 1202.8 | 5.5 | Details |
| 34 | Cape Winelands Schools Top Schools 2022 (U7-U11 Mixed) | Standard | 2022-08-27 | 2022-08-27 | Cape Winelands (WCW) | 6 | 1181.2 | 5 | 1 | 926.8 | -24.1 | Details |
| 35 | Western Cape Schools 2022 (U7 Girls) | Standard | 2022-05-28 | 2022-05-29 | Cape Winelands (WCW) | 6 | 1183 | 6 | 3 | 1193.7 | 1.2 | Details |
| 36 | Strategema Chess Festival 2022 (U7+U9 Girls) | Rapid | 2022-05-14 | 2022-05-14 | Cape Winelands (WCW) | 3 | 1183 | 2 | 1 | 1138.2 | -2.3 | Details |
| 37 | Cape Winelands Schools 2022 (U7 Boys+Girls) | Standard | 2022-03-12 | 2022-03-12 | Cape Winelands (WCW) | 7 | 1177 | 6 | 3 | 1199.8 | 2.7 | Details |
| 38 | Lanfeberg Schools Chess Trials 2022 (U7+U9) | Rapid | 2022-02-26 | 2022-02-26 | Cape Winelands (WCW) | 5 | 1200 | 5 | 1.5 | 1030 | -11.6 | 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 | 21 |
| Wins | 14 |
| Draws | 0 |
| Losses | 7 |
| White | 10 |
| Black | 11 |
| White wins | 8 |
| Black wins | 6 |
| Score | 14 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1247.2 |
| Performance | 1388.8 |
Game statistics (History)
| Games | 203 |
| Wins | 118 |
| Draws | 7 |
| Losses | 78 |
| White | 101 |
| Black | 102 |
| White wins | 58 |
| Black wins | 60 |
| Score | 121.5 |
| Percent | 59.9 |
| Dp | 83.7 |
| AOR | 1229.9 |
| Performance | 1313.6 |
Rankings (Main)
| National | |
| Overall | 3173 |
| Gender | 493 |
| Age group | 246 |
| Gender/Age | 55 |
| Provincial | |
| Overall | 974 |
| Gender | 190 |
| Age group | 83 |
| Gender/Age | 27 |
| Regional | |
| Overall | 138 |
| Gender | 37 |
| Age group | 14 |
| Gender/Age | 7 |
Rankings (Standard)
| National | |
| Overall | 2817 |
| Gender | 450 |
| Age group | 224 |
| Gender/Age | 49 |
| Provincial | |
| Overall | 815 |
| Gender | 179 |
| Age group | 73 |
| Gender/Age | 26 |
| Regional | |
| Overall | 117 |
| Gender | 35 |
| Age group | 12 |
| Gender/Age | 6 |
Rankings (Rapid)
| National | |
| Overall | 1108 |
| Gender | 165 |
| Age group | 119 |
| Gender/Age | 26 |
| Provincial | |
| Overall | 543 |
| Gender | 94 |
| Age group | 64 |
| Gender/Age | 20 |
| Regional | |
| Overall | 77 |
| Gender | 18 |
| Age group | 9 |
| Gender/Age | 3 |
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 | 21 |
| Score | 14 |
| Percent | 66.7 |
| Aor | 1247.2 |
| Dp | 141.7 |
| Prat | 1388.8 |
Performance (12 months)
| Games | 60 |
| Score | 40.5 |
| Percent | 67.5 |
| Aor | 1278 |
| Dp | 148.8 |
| Prat | 1426.8 |
Performance (History)
| Games | 203 |
| Score | 121.5 |
| Percent | 59.9 |
| Aor | 1229.9 |
| Dp | 83.7 |
| Prat | 1313.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Davids, S (Stephanie) | 7 | 3 | 4 | Cape Winelands Schools 2022 (U7 Boys+Girls) | Western Cape PS Individuals Championship 2024 (U9 Girls) | Details |
| Overall | 2 | Kleinbooi, R (Riley) | 6 | 3 | 3 | Cape Winelands Schools Chess - Trials 1 2023 (U7 Boys+Girls) | De Villiers PS Tournament 2024 (U10) | Details |
| Overall | 3 | Willemse, N (Neveah) | 6 | 2 | 4 | Cape Winelands Schools 2022 (U7 Boys+Girls) | Brave Knights 2024 (U9) | Details |
| Overall | 4 | Du Toit, S (Shanika) | 6 | 3 | 3 | Robertson Chess Tournament Oct 2023 (U9) | Marie Delport Memorial 2026 (U12 Girls) | Details |
| Overall | 5 | Africa, F (Faithlynn) | 5 | 2 | 3 | Cape Winelands Schools - Prestige 2024 (U9 Girls) | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Details |
| Standard | 1 | Willemse, N (Neveah) | 4 | 1 | 3 | Cape Winelands Schools 2022 (U7 Boys+Girls) | Cape Winelands Schools - Prestige 2024 (U9 Girls) | Details |
| Standard | 2 | Africa, F (Faithlynn) | 4 | 2 | 2 | Cape Winelands Schools - Prestige 2024 (U9 Girls) | Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) | Details |
| Standard | 3 | Davids, S (Stephanie) | 4 | 2 | 2 | Cape Winelands Schools 2022 (U7 Boys+Girls) | Western Cape PS Individuals Championship 2024 (U9 Girls) | Details |
| Standard | 4 | Van Zyl, M (Maria Elizabeth) | 3 | 2 | 1 | Cape Winelands Schools Chess - Trials 1 2023 (U7 Boys+Girls) | Cape Winelands Schools - Prestige 2024 (U9 Girls) | Details |
| Standard | 5 | Du Toit, S (Shanika) | 3 | 1 | 2 | Robertson Chess Tournament Oct 2023 (U9) | Marie Delport Memorial 2026 (U12 Girls) | Details |
| Rapid | 1 | Lambrechts, M (Mila) | 3 | 1 | 2 | Cape Winelands Queens 2025 (U9) | WCSC Kings & Queens 2025 (Queens) | Details |
| Rapid | 2 | Kleinbooi, R (Riley) | 3 | 2 | 1 | Langeberg Schools Chess Trials 2023 (U7 Boys+Girls) | Cape Winelands - Marie Delport Memorial 2024 (U10) | Details |
| Rapid | 3 | Edons, M (Mihandro) | 3 | 1 | 2 | Ashton Skaakmat Rapid 2023 (U7) | Worcester Schools Knock-Out 2025 (U9) | Details |
| Rapid | 4 | Du Toit, S (Shanika) | 3 | 2 | 1 | Cape Winelands Schools - PS Trials 1 2024 (U9 Girls) | De Villiers PS 2025 (U12 Girls) | Details |
| Rapid | 5 | Davids, S (Stephanie) | 3 | 1 | 2 | Strategema Chess Festival 2022 (U7+U9 Girls) | Ashton Skaakmat Rapid 2023 (U7) | Details |