PLAYER PAGE
Alet Du Preez
2120138439Overberg (WOS)Personal
Main rating
| Rating | 1308.3 |
| K-factor | 36 |
| Floor | 898.6 |
| Highest | 1414.1 (2025-09-30) |
| Min/Max +/- allowed | 122 |
| Rating Change () | |
| Games | 5 |
| Score | 0.5 |
| We | 1.88 |
| SWe | -1.15 |
| Temp +/- | -41.3 |
| Penalties | 0 |
| Weight perform | 1169 |
| Final +/- | -41.3 |
| New Rating () | |
| Rating | 1267 |
| K-factor | 36 |
| Floor | 898.6 |
| Highest | 1414.1 (2025-09-30) |
| Min/Max +/- allowed | 122.2 |
Standard rating
| Rating | 1297 |
| K-factor | 36 |
| Floor | 851.7 |
| Highest | 1351.7 (2025-09-30) |
| Min/Max +/- allowed | 133.6 |
| Rating Change () | |
| Games | 5 |
| Score | 0.5 |
| We | 1.92 |
| SWe | -1.42 |
| Temp +/- | -51.2 |
| Penalties | 0 |
| Weight perform | 1224.4 |
| Final +/- | -51.2 |
| New Rating () | |
| Rating | 1245.8 |
| K-factor | 36 |
| Floor | 851.7 |
| Highest | 1351.7 (2025-09-30) |
| Min/Max +/- allowed | 133.6 |
Rapid rating
| Rating | 1338.8 |
| K-factor | 32 |
| Floor | 902.5 |
| Highest | 1402.5 (2025-07-01) |
| Min/Max +/- allowed | 124.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1210.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1338.8 |
| K-factor | 32 |
| Floor | 902.5 |
| Highest | 1402.5 (2025-07-01) |
| Min/Max +/- allowed | 124.3 |
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 | Western Cape Schools - Top Schools 2026 (U15 Mix) | Standard | 2026-08-29 | 2026-08-30 | Cape Town (WCT) | 6 | 1308.3 | 5 | 0.5 | 1096.1 | -41.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Overberg Top Schools 2026 (U15) | Standard | 2026-08-01 | 2026-08-01 | Overberg (WOS) | 3 | 1308.3 | 3 | 1 | 1176.4 | -16.9 | Details |
| 2 | Curro Hermanus Winter Open 2026 (U15) | Rapid | 2026-06-20 | 2026-06-20 | Overberg (WOS) | 6 | 1337.7 | 6 | 3 | 1242.6 | -12.5 | Details |
| 3 | 2026 WCSC HS Individual Championship (U15 Girls) | Standard | 2026-05-02 | 2026-05-03 | Eden (WEG) | 6 | 1325.5 | 6 | 3 | 1384.2 | 12.3 | Details |
| 4 | Overberg Schools High School Closed 2026 (U15 Girls) | Standard | 2026-03-07 | 2026-03-07 | Overberg (WOS) | 5 | 1343.4 | 5 | 2 | 1233.9 | -18 | Details |
| 5 | Overberg Schools High School Trials 2026 (U15 Girls) | Rapid | 2026-02-21 | 2026-02-21 | Overberg (WOS) | 6 | 1353.4 | 5 | 2 | 1257.8 | -6.2 | Details |
| 6 | 2025 Mzansi Inter Provincial Team Championships (U14 Girls) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1382.9 | 2 | 0 | 963.2 | -16.4 | Details |
| 7 | Curro Hermanus Spring Open 2025 (U13) | Rapid | 2025-10-18 | 2025-10-18 | Overberg (WOS) | 6 | 1413.6 | 6 | 3 | 1308.4 | -8.8 | Details |
| 8 | Western Cape Schools - Top Schools 2025 (U13 Girls) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1382.1 | 5 | 3.5 | 1483 | 9.3 | Details |
| 9 | De Villiers PS 2025 (U14 Girls) | Rapid | 2025-08-16 | 2025-08-16 | Cape Winelands (WCW) | 5 | 1312 | 5 | 4 | 1550.4 | 18.2 | Details |
| 10 | Overberg Top Schools 2025 (U9-U13 Girls) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1312 | 4 | 3 | 1579.7 | 20.9 | Details |
| 11 | 4th Curro Durbanville Rapid Open 2025 (Intermediate) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1324.6 | 7 | 2.5 | 1136.1 | -14.2 | Details |
| 12 | Cape Winelands Queens 2025 (U13) | Rapid | 2025-06-21 | 2025-06-21 | Cape Winelands (WCW) | 6 | 1308.6 | 6 | 4 | 1424.3 | 8.9 | Details |
| 13 | Western Cape Schools Individual Championship 2025 (U13 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1303 | 3 | 1 | 1108.3 | -10.6 | Details |
| 14 | Brave Knights Rapid 2025 (U13) | Rapid | 2025-05-03 | 2025-05-03 | Cape Winelands (WCW) | 6 | 1303 | 6 | 4 | 1443.6 | 12.4 | Details |
| 15 | South African Junior Closed Chess Championships 2025 (U14 Girls) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1371.1 | 9 | 1.5 | 1061.7 | -64.6 | Details |
| 16 | Overberg Schools - PS Closed 2025 (U13 Girls) | Standard | 2025-03-08 | 2025-03-08 | Overberg (WOS) | 5 | 1340.9 | 5 | 4 | 1502.9 | 15.3 | Details |
| 17 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1290.7 | 6 | 5 | 1500.6 | 18 | Details |
| 18 | Laerskool Welgemoed Rapid 2025 (U14) | Rapid | 2025-02-15 | 2025-02-15 | Cape Town (WCT) | 6 | 1290.7 | 6 | 3 | 1316.9 | 2.2 | Details |
| 19 | Curro Hermanus Summer Open 2025 (U13) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1290.7 | 6 | 3.5 | 1380.9 | 7.7 | Details |
| 20 | Marie Delport Memorial 2025 (U14 Girls) | Standard | 2025-01-25 | 2025-01-26 | Cape Winelands (WCW) | 6 | 1283.4 | 5 | 2 | 1240.7 | -3.5 | Details |
| 21 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Combined) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1326.6 | 7 | 2 | 1184.6 | -24.4 | Details |
| 22 | Overberg GP Invitational Day 2 2024 (B) | Standard | 2024-09-27 | 2024-09-27 | Overberg (WOS) | 5 | 1321.8 | 5 | 3 | 1332.6 | 1.8 | Details |
| 23 | Overberg GP Invitational Day 1 2024 (B) | Standard | 2024-09-26 | 2024-09-26 | Overberg (WOS) | 5 | 1321.8 | 5 | 3 | 1320 | -0.8 | Details |
| 24 | Western Cape Top Schools Championship 2024 (U13 Girls) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1321.8 | 6 | 3.5 | 1332.9 | 1.7 | Details |
| 25 | Overberg Schools - Top Schools 2024 (U9-U15 Girls) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1306 | 4 | 3 | 1419.9 | 8.8 | Details |
| 26 | Western Cape PS Individuals Championship 2024 (U13 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1315.6 | 6 | 3 | 1269.9 | -5.3 | Details |
| 27 | Overberg Schools - PS Closed 2024 (U13 Girls) | Standard | 2024-03-16 | 2024-03-16 | Overberg (WOS) | 5 | 1277.4 | 4 | 3 | 1386.1 | 8.5 | Details |
| 28 | Overberg Schools - PS Trials Region 3 2024 (U13 Girls) | Rapid | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1277.4 | 5 | 3.5 | 1439.2 | 12 | Details |
| 29 | Overberg Open Rapid 2024 (U13) | Rapid | 2024-01-27 | 2024-01-27 | Overberg (WOS) | 5 | 1250.5 | 5 | 4 | 1526.8 | 15 | Details |
| 30 | Bonnievale Open Rapid 2023 (U12) | Rapid | 2023-10-21 | 2023-10-21 | Cape Winelands (WCW) | 6 | 1207.9 | 6 | 4 | 1520 | 23.8 | Details |
| 31 | Western Cape Top Schools 2023 (U11 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1214.2 | 6 | 2 | 1184.6 | -3.7 | Details |
| 32 | Overberg Top Schools 2023 (U11) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1201.9 | 5 | 3 | 1264.6 | 6.8 | Details |
| 33 | Curro Durbanville Chess Open Rapid 2023 (U12) | Rapid | 2023-07-15 | 2023-07-15 | Cape Town (WCT) | 6 | 1188.1 | 6 | 3 | 1269.6 | 7.5 | Details |
| 34 | GPCA Rapid 2023 (U12) | Rapid | 2023-06-24 | 2023-06-24 | Cape Town (WCT) | 7 | 1225.8 | 6 | 1 | 940.8 | -21 | Details |
| 35 | Western Cape PS Individuals 2023 (U11 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1226.4 | 6 | 3 | 1219.7 | -0.8 | Details |
| 36 | Overberg School Chess Closed Tournament 2023 (U11 Girls) | Standard | 2023-03-25 | 2023-03-25 | Overberg (WOS) | 5 | 1157.4 | 5 | 4 | 1414.5 | 25.7 | Details |
| 37 | Overberg Primary School Trials (Region 2) | Rapid | 2023-02-24 | 2023-03-10 | Overberg (WOS) | 6 | 1157.4 | 6 | 4 | 1345.8 | 12.6 | Details |
| 38 | Overberg Schools Open Tournament 2023 (U12) | Rapid | 2023-02-11 | 2023-02-11 | Overberg (WOS) | 5 | 1147.4 | 5 | 3 | 1242.8 | 5.7 | Details |
| 39 | George Open 2022 (D) | Standard | 2022-12-03 | 2022-12-03 | Eden (WEG) | 5 | 1137.5 | 4 | 2 | 1208 | 5.5 | Details |
| 40 | Mossel Bay Open 2022 (C) | Rapid | 2022-10-01 | 2022-10-01 | Eden (WEG) | 5 | 1143.5 | 4 | 1.5 | 1084.8 | -3.4 | Details |
| 41 | Curro Durbanville Chess Open Rapid 2022 (U12) | Rapid | 2022-07-02 | 2022-07-02 | Cape Town (WCT) | 6 | 1149.3 | 6 | 2 | 1108 | -3.3 | Details |
| 42 | WP Closed 2022 (U12) | Standard | 2022-06-16 | 2022-06-16 | Cape Town (WCT) | 6 | 1204 | 6 | 2 | 1072.2 | -16.3 | Details |
| 43 | Stellenberg Chess Championship 2022 (U12) | Rapid | 2022-06-25 | 2022-06-25 | Cape Town (WCT) | 6 | 1204 | 5 | 1 | 1007.8 | -14.5 | Details |
| 44 | Western Cape Schools 2022 (U11 Girls) | Standard | 2022-05-28 | 2022-05-29 | Cape Winelands (WCW) | 6 | 1193.9 | 6 | 3 | 1242.5 | 5.8 | Details |
| 45 | OCF Open 2022 (U12) | Rapid | 2022-04-09 | 2022-04-09 | Overberg (WOS) | 5 | 1215.3 | 5 | 1.5 | 1041.8 | -11.8 | Details |
| 46 | Overberg Primary Schools Closed 2022 (U11 Girls) | Standard | 2022-03-12 | 2022-03-12 | Overberg (WOS) | 5 | 1200 | 5 | 3 | 1285 | 7.6 | 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 | 30 |
| Wins | 10 |
| Draws | 3 |
| Losses | 17 |
| White | 14 |
| Black | 16 |
| White wins | 4 |
| Black wins | 6 |
| Score | 11.5 |
| Percent | 38.3 |
| Dp | -99.2 |
| AOR | 1340.2 |
| Performance | 1241 |
Game statistics (History)
| Games | 250 |
| Wins | 118 |
| Draws | 17 |
| Losses | 115 |
| White | 121 |
| Black | 129 |
| White wins | 56 |
| Black wins | 62 |
| Score | 126.5 |
| Percent | 50.6 |
| Dp | 5.1 |
| AOR | 1273.1 |
| Performance | 1278.2 |
Rankings (Main)
| National | |
| Overall | 5955 |
| Gender | 1068 |
| Age group | 931 |
| Gender/Age | 202 |
| Provincial | |
| Overall | 1783 |
| Gender | 401 |
| Age group | 279 |
| Gender/Age | 74 |
| Regional | |
| Overall | 123 |
| Gender | 40 |
| Age group | 20 |
| Gender/Age | 11 |
Rankings (Standard)
| National | |
| Overall | 5607 |
| Gender | 1080 |
| Age group | 882 |
| Gender/Age | 192 |
| Provincial | |
| Overall | 1616 |
| Gender | 389 |
| Age group | 248 |
| Gender/Age | 64 |
| Regional | |
| Overall | 92 |
| Gender | 31 |
| Age group | 11 |
| Gender/Age | 7 |
Rankings (Rapid)
| National | |
| Overall | 1547 |
| Gender | 246 |
| Age group | 265 |
| Gender/Age | 53 |
| Provincial | |
| Overall | 675 |
| Gender | 121 |
| Age group | 112 |
| Gender/Age | 25 |
| Regional | |
| Overall | 74 |
| Gender | 23 |
| Age group | 14 |
| Gender/Age | 8 |
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 | 30 |
| Score | 11.5 |
| Percent | 38.3 |
| Aor | 1340.2 |
| Dp | -99.2 |
| Prat | 1241 |
Performance (12 months)
| Games | 38 |
| Score | 14.5 |
| Percent | 38.2 |
| Aor | 1337.7 |
| Dp | -100.7 |
| Prat | 1237 |
Performance (History)
| Games | 250 |
| Score | 126.5 |
| Percent | 50.6 |
| Aor | 1273.1 |
| Dp | 5.1 |
| Prat | 1278.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Otto, J (Johanne) | 8 | 3 | 5 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Trials 2026 (U15 Girls) | Details |
| Overall | 2 | Stevens, DA (Danielle-Ann) | 7 | 4 | 3 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg Schools High School Trials 2026 (U15 Girls) | Details |
| Overall | 3 | Van Der Linde, L (Luandi) | 5 | 0 | 5 | OCF Open 2022 (U12) | South African Junior Closed Chess Championships 2025 (U14 Girls) | Details |
| Overall | 4 | Otto, K (Karlien) | 5 | 4 | 1 | Overberg Primary School Trials (Region 2) | Overberg Schools - PS Closed 2025 (U13 Girls) | Details |
| Overall | 5 | Jara, I (Iviwe) | 4 | 4 | 0 | Overberg Schools - Top Schools 2024 (U9-U15 Girls) | Overberg Top Schools 2026 (U15) | Details |
| Standard | 1 | Otto, J (Johanne) | 6 | 2 | 4 | Overberg Primary Schools Closed 2022 (U11 Girls) | Overberg GP Invitational Day 2 2024 (B) | Details |
| Standard | 2 | Van Der Linde, L (Luandi) | 4 | 0 | 4 | Overberg Schools - PS Closed 2024 (U13 Girls) | South African Junior Closed Chess Championships 2025 (U14 Girls) | Details |
| Standard | 3 | Jara, I (Iviwe) | 4 | 4 | 0 | Overberg Schools - Top Schools 2024 (U9-U15 Girls) | Overberg Top Schools 2026 (U15) | Details |
| Standard | 4 | Otto, K (Karlien) | 3 | 3 | 0 | Western Cape PS Individuals 2023 (U11 Girls) | Overberg Schools - PS Closed 2025 (U13 Girls) | Details |
| Standard | 5 | Ntontelo, K (Khazimla) | 2 | 2 | 0 | Overberg Schools - PS Closed 2025 (U13 Girls) | Overberg Top Schools 2025 (U9-U13 Girls) | Details |
| Rapid | 1 | Stevens, DA (Danielle-Ann) | 5 | 3 | 2 | Overberg Open Rapid 2024 (U13) | Overberg Schools High School Trials 2026 (U15 Girls) | Details |
| Rapid | 2 | Davids, J (Jordan) | 2 | 1 | 1 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) | Curro Hermanus Spring Open 2025 (U13) | Details |
| Rapid | 3 | Buhr, G (Gretchen) | 2 | 0 | 2 | Overberg Schools - PS Trials Region 3 2024 (U13 Girls) | Curro Hermanus Summer Open 2025 (U13) | Details |
| Rapid | 4 | Otto, K (Karlien) | 2 | 1 | 1 | Overberg Primary School Trials (Region 2) | Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) | Details |
| Rapid | 5 | Klopper, E (Elzaan) | 2 | 1 | 1 | Bonnievale Open Rapid 2023 (U12) | Brave Knights Rapid 2025 (U13) | Details |