PLAYER PAGE
Sumayah Jacobs
2090096154Cape Town (WCT)Personal
Main rating
| Rating | 1290.8 |
| K-factor | 36 |
| Floor | 790.8 |
| Highest | 1303.7 (2023-03-01) |
| Min/Max +/- allowed | 143 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 906.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1290.8 |
| K-factor | 36 |
| Floor | 790.8 |
| Highest | 1303.7 (2023-03-01) |
| Min/Max +/- allowed | 143 |
Standard rating
| Rating | 1287.3 |
| K-factor | 36 |
| Floor | 787.3 |
| Highest | 1287.3 (2024-03-01) |
| Min/Max +/- allowed | 146.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 839.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1287.3 |
| K-factor | 36 |
| Floor | 787.3 |
| Highest | 1287.3 (2024-03-01) |
| Min/Max +/- allowed | 146.4 |
Rapid rating
| Rating | 1248.4 |
| K-factor | 36 |
| Floor | 748.4 |
| Highest | 1248.4 (2024-03-01) |
| Min/Max +/- allowed | 154.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 663.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1248.4 |
| K-factor | 36 |
| Floor | 748.4 |
| Highest | 1248.4 (2024-03-01) |
| Min/Max +/- allowed | 154.8 |
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 | Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls) | Standard | 2023-02-03 | 2023-03-04 | Cape Town (WCT) | 6 | 1249.9 | 5 | 4 | 1489 | 0 | Details |
| 2 | Central District School Trials 2023 (U15 Girls) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1232.3 | 6 | 4 | 1316.1 | 0 | Details |
| 3 | Metro Rapid 2022 (U13 Girls) | Rapid | 2022-10-22 | 2022-10-22 | Cape Town (WCT) | 5 | 1219.6 | 5 | 3 | 1324.7 | 0 | Details |
| 4 | Metro WP Schools Chess Trials 2022 (U13 Girls) | Standard | 2022-04-22 | 2022-04-23 | Cape Town (WCT) | 6 | 1221.1 | 6 | 3 | 1203.9 | 0 | Details |
| 5 | 2022 Central District Individual Trials (U13) | Rapid | 2022-03-05 | 2022-03-05 | Cape Town (WCT) | 5 | 1198.5 | 5 | 3.5 | 1351.8 | 0 | Details |
| 6 | 2020 Metro Trials (U11 Girls) | Standard | 2020-03-13 | 2020-03-14 | Cape Town (WCT) | 5 | 1171.6 | 5 | 3 | 1304.1 | 0 | Details |
| 7 | 2020 Central District (U11) | Standard | 2020-02-07 | 2020-02-08 | Cape Town (WCT) | 6 | 1156.7 | 5 | 3 | 1239.4 | 0 | Details |
| 8 | 3rd ACL Chess Festival 2019 (U10) | Rapid | 2019-09-05 | 2019-09-05 | Cape Town (WCT) | 6 | 1128 | 6 | 3.5 | 1330.5 | 0 | Details |
| 9 | Welgemoed Chess Challenge 2019 (U10) | Rapid | 2019-02-23 | 2019-02-23 | Cape Town (WCT) | 5 | 1120.6 | 5 | 2.5 | 1181 | 0 | Details |
| 10 | 2019 Central District Schools Trials (U11) | Standard | 2019-02-01 | 2019-02-02 | Cape Town (WCT) | 6 | 1120.6 | 0 | 0 | 0 | 0 | Details |
| 11 | Jakes Gerwel Aurecon 2018 (C) | Rapid | 2018-10-13 | 2018-10-13 | Cape Town (WCT) | 7 | 1171.4 | 7 | 1 | 893.6 | 0 | Details |
| 12 | Stellenberg Youth Chess Champs 2018 (E) | Standard | 2018-06-23 | 2018-06-23 | Cape Town (WCT) | 5 | 1152.5 | 5 | 3 | 1258.4 | 0 | Details |
| 13 | Western Cape Schools Individuals 2018 (U9 Girls) | Standard | 2018-05-19 | 2018-05-20 | Overberg (WOS) | 6 | 1163.1 | 6 | 3 | 1117.4 | 0 | Details |
| 14 | 2018 WP Schools Closed Trials (U9 Girls) | Standard | 2018-03-09 | 2018-03-10 | Cape Town (WCT) | 5 | 1146.5 | 5 | 3 | 1226.2 | 0 | Details |
| 15 | 2018 Central District Trials (U9) | Standard | 2018-02-02 | 2018-02-03 | Cape Town (WCT) | 5 | 1200 | 5 | 2 | 916.6 | 0 | Details |
| 16 | Wp Schools Closed 2017 (U9 Girls) | Standard | 2017-03-10 | 2017-03-11 | Western Province (WP) | 5 | 0 | 4 | 2 | 508 | 0 | Details |
| 17 | Welgemoed Chess Challenge 2017 (U10) | Rapid | 2017-02-25 | 2017-02-25 | Western Province (WP) | 5 | 0 | 5 | 2 | 503 | 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 | 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 (History)
| Games | 76 |
| Wins | 40 |
| Draws | 3 |
| Losses | 33 |
| White | 39 |
| Black | 37 |
| White wins | 17 |
| Black wins | 23 |
| Score | 41.5 |
| Percent | 54.6 |
| Dp | 39.1 |
| AOR | 1178.2 |
| Performance | 1217.4 |
Rankings (Main)
| 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 |
Rankings (Standard)
| 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 |
Rankings (Rapid)
| 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 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 76 |
| Score | 41.5 |
| Percent | 54.6 |
| Aor | 1178.2 |
| Dp | 39.1 |
| Prat | 1217.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Grove, E (Emily) | 3 | 1 | 2 | 2018 WP Schools Closed Trials (U9 Girls) | Metro WP Schools Chess Trials 2022 (U13 Girls) | Details |
| Overall | 2 | Moyo, T (Tsulufelo) | 2 | 2 | 0 | Central District School Trials 2023 (U15 Girls) | Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls) | Details |
| Overall | 3 | Siebert, E (Emily) | 2 | 0 | 2 | 2018 WP Schools Closed Trials (U9 Girls) | Western Cape Schools Individuals 2018 (U9 Girls) | Details |
| Overall | 4 | Mqadi, O (Olethiwe) | 2 | 0 | 2 | 2020 Metro Trials (U11 Girls) | Central District School Trials 2023 (U15 Girls) | Details |
| Overall | 5 | Pretorius, A (Amanda Karen) | 2 | 2 | 0 | 2018 WP Schools Closed Trials (U9 Girls) | Metro WP Schools Chess Trials 2022 (U13 Girls) | Details |
| Standard | 1 | Van Heerden, H (Hannah Rose) | 2 | 2 | 0 | Western Cape Schools Individuals 2018 (U9 Girls) | 2020 Metro Trials (U11 Girls) | Details |
| Standard | 2 | Moyo, T (Tsulufelo) | 2 | 2 | 0 | Central District School Trials 2023 (U15 Girls) | Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls) | Details |
| Standard | 3 | Siebert, E (Emily) | 2 | 0 | 2 | 2018 WP Schools Closed Trials (U9 Girls) | Western Cape Schools Individuals 2018 (U9 Girls) | Details |
| Standard | 4 | Pretorius, A (Amanda Karen) | 2 | 2 | 0 | 2018 WP Schools Closed Trials (U9 Girls) | Metro WP Schools Chess Trials 2022 (U13 Girls) | Details |
| Standard | 5 | Grove, E (Emily) | 2 | 1 | 1 | 2018 WP Schools Closed Trials (U9 Girls) | Metro WP Schools Chess Trials 2022 (U13 Girls) | Details |