PLAYER PAGE
Jay-Leigh Pieterse
2100151350Overberg (WOS)Personal
Main rating
| Rating | 1167.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1113.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1167.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1130.9 |
| 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 | 1055.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1130.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1203.4 |
| K-factor | 36 |
| Floor | 703.4 |
| Highest | 1203.4 (2026-02-28) |
| Min/Max +/- allowed | 165 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1151.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1203.4 |
| K-factor | 36 |
| Floor | 703.4 |
| Highest | 1203.4 (2026-02-28) |
| Min/Max +/- allowed | 165 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Overberg Schools High School Trials 2026 (U17 Girls) | Rapid | 2026-02-21 | 2026-02-21 | Overberg (WOS) | 6 | 1146.2 | 6 | 3 | 1246.7 | 0 | Details |
| 2 | Overberg Schools Open Championship 2026 (U17) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1146.2 | 6 | 3 | 1202.5 | 0 | Details |
| 3 | Western Cape Schools - Top Schools 2025 (U15 Girls) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 5 | 1147.8 | 4 | 1 | 1138.8 | 0 | Details |
| 4 | Overberg Top Schools 2025 (U15-U19 Girls) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1170 | 4 | 0.5 | 1013.6 | 0 | Details |
| 5 | Western Cape Schools Individual Championship 2025 (U15 Girls) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1148.1 | 5 | 2 | 1229.6 | 0 | Details |
| 6 | Overberg Schools - HS Closed 2025 (U15 Girls) | Standard | 2025-03-22 | 2025-03-22 | Overberg (WOS) | 5 | 1128.7 | 4 | 2 | 1268.1 | 0 | Details |
| 7 | Overberg Schools - HS Trials 2025 (U15 Girls) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1100.4 | 6 | 3.5 | 1297.6 | 0 | Details |
| 8 | Kingsway Chess Open 2024 (U14) | Rapid | 2024-09-14 | 2024-09-14 | Overberg (WOS) | 6 | 1114.8 | 5 | 1.5 | 1035.2 | 0 | Details |
| 9 | Western Cape Top Schools Championship 2024 (U15 Girls) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1114.8 | 5 | 2 | 1098.5 | 0 | Details |
| 10 | Overberg Schools - Top Schools 2024 (U9-U15 Girls) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1083.9 | 4 | 2 | 1262.9 | 0 | Details |
| 11 | Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Girls) | Rapid | 2024-06-08 | 2024-06-08 | Overberg (WOS) | 6 | 1047.5 | 6 | 3.5 | 1256.5 | 0 | Details |
| 12 | Western Cape HS Individuals Championship 2024 (U15 Girls) | Standard | 2024-03-21 | 2024-03-22 | Overberg (WOS) | 6 | 1060.8 | 6 | 1.5 | 1043 | 0 | Details |
| 13 | Overberg High Schools Trails 2024 (U15 Girls) | Standard | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1060.8 | 4 | 1 | 1008.3 | 0 | Details |
| 14 | Overberg High Schools Trails 2024 (U15) | Rapid | 2024-02-24 | 2024-02-24 | Overberg (WOS) | 5 | 1038.6 | 5 | 2.5 | 1267.7 | 0 | Details |
| 15 | Western Cape Top Schools 2023 (U13 Girls) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1102 | 5 | 0 | 770.4 | 0 | Details |
| 16 | Overberg Top Schools 2023 (U13) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1117.6 | 4 | 1 | 1018.6 | 0 | Details |
| 17 | Overberg School Chess Closed Tournament 2023 (U13 Girls) | Standard | 2023-03-25 | 2023-03-25 | Overberg (WOS) | 5 | 1200 | 5 | 1 | 877.4 | 0 | Details |
| 18 | Overberg Schools Bredasdorp Zone Trails 2023 (U13) | Rapid | 2023-02-16 | 2023-03-02 | Overberg (WOS) | 6 | 1200 | 6 | 2 | 1044.2 | 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 | 12 |
| Wins | 6 |
| Draws | 0 |
| Losses | 6 |
| White | 7 |
| Black | 5 |
| White wins | 2 |
| Black wins | 4 |
| Score | 6 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1224.6 |
| Performance | 1224.6 |
Game statistics (History)
| Games | 90 |
| Wins | 30 |
| Draws | 6 |
| Losses | 54 |
| White | 49 |
| Black | 41 |
| White wins | 19 |
| Black wins | 11 |
| Score | 33 |
| Percent | 36.7 |
| Dp | -113.3 |
| AOR | 1233.1 |
| Performance | 1119.8 |
Rankings (Main)
| National | |
| Overall | 16440 |
| Gender | 3898 |
| Age group | 2478 |
| Gender/Age | 583 |
| Provincial | |
| Overall | 4808 |
| Gender | 1234 |
| Age group | 632 |
| Gender/Age | 180 |
| Regional | |
| Overall | 450 |
| Gender | 156 |
| Age group | 88 |
| Gender/Age | 32 |
Rankings (Standard)
| National | |
| Overall | 13248 |
| Gender | 3362 |
| Age group | 2053 |
| Gender/Age | 511 |
| Provincial | |
| Overall | 3749 |
| Gender | 1067 |
| Age group | 513 |
| Gender/Age | 161 |
| Regional | |
| Overall | 270 |
| Gender | 108 |
| Age group | 50 |
| Gender/Age | 24 |
Rankings (Rapid)
| National | |
| Overall | 4211 |
| Gender | 916 |
| Age group | 580 |
| Gender/Age | 130 |
| Provincial | |
| Overall | 1684 |
| Gender | 392 |
| Age group | 223 |
| Gender/Age | 60 |
| Regional | |
| Overall | 237 |
| Gender | 82 |
| Age group | 45 |
| Gender/Age | 20 |
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 | 12 |
| Score | 6 |
| Percent | 50 |
| Aor | 1224.6 |
| Dp | 0 |
| Prat | 1224.6 |
Performance (12 months)
| Games | 29 |
| Score | 11.5 |
| Percent | 39.7 |
| Aor | 1278.5 |
| Dp | -87.9 |
| Prat | 1190.5 |
Performance (History)
| Games | 90 |
| Score | 33 |
| Percent | 36.7 |
| Aor | 1233.1 |
| Dp | -113.3 |
| Prat | 1119.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Lusawana, A (Asonele) | 3 | 1 | 2 | Overberg Schools - HS Trials 2025 (U15 Girls) | Western Cape Schools - Top Schools 2025 (U15 Girls) | Details |
| Overall | 2 | Somi, O (Onwabe) | 2 | 0 | 2 | Overberg Schools - HS Closed 2025 (U15 Girls) | Western Cape Schools Individual Championship 2025 (U15 Girls) | Details |
| Overall | 3 | Du Toit, I (Isabella) | 2 | 1 | 1 | Western Cape HS Individuals Championship 2024 (U15 Girls) | Overberg Top Schools 2025 (U15-U19 Girls) | Details |
| Overall | 4 | Jacobs, T (Tineecke) | 2 | 1 | 1 | Overberg High Schools Trails 2024 (U15) | Overberg High Schools Trails 2024 (U15 Girls) | Details |
| Overall | 5 | Groenewald, J (Jody) | 2 | 2 | 0 | Overberg Schools - HS Trials 2025 (U15 Girls) | Overberg Schools - HS Closed 2025 (U15 Girls) | Details |
| Standard | 1 | Somi, O (Onwabe) | 2 | 0 | 2 | Overberg Schools - HS Closed 2025 (U15 Girls) | Western Cape Schools Individual Championship 2025 (U15 Girls) | Details |
| Standard | 2 | Du Toit, I (Isabella) | 2 | 1 | 1 | Western Cape HS Individuals Championship 2024 (U15 Girls) | Overberg Top Schools 2025 (U15-U19 Girls) | Details |
| Standard | 3 | Hendricks, L (Lakeisha) | 2 | 0 | 2 | Overberg School Chess Closed Tournament 2023 (U13 Girls) | Overberg High Schools Trails 2024 (U15 Girls) | Details |
| Standard | 4 | D`Ambrosio, D (Djuna) | 2 | 2 | 0 | Overberg High Schools Trails 2024 (U15 Girls) | Western Cape HS Individuals Championship 2024 (U15 Girls) | Details |
| Standard | 5 | Lusawana, A (Asonele) | 2 | 0 | 2 | Overberg Top Schools 2025 (U15-U19 Girls) | Western Cape Schools - Top Schools 2025 (U15 Girls) | Details |
| Rapid | 1 | Smal, R (Riley) | 2 | 1 | 1 | Overberg Schools Bredasdorp Zone Trails 2023 (U13) | Kingsway Chess Open 2024 (U14) | Details |
| Rapid | 2 | Makhado, E (Esona) | 2 | 1 | 1 | Overberg Schools Open Championship 2026 (U17) | Overberg Schools High School Trials 2026 (U17 Girls) | Details |
