PLAYER PAGE
Mary Siyamthanda Zembeta
2160300524Cape Town (WCT)Personal
Main rating
| Rating | 1172.4 |
| K-factor | 36 |
| Floor | 712.8 |
| Highest | 1212.8 (2025-06-01) |
| Min/Max +/- allowed | 163 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1061.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1172.4 |
| K-factor | 36 |
| Floor | 712.8 |
| Highest | 1212.8 (2025-06-01) |
| Min/Max +/- allowed | 162.8 |
Standard rating
| Rating | 1197.6 |
| K-factor | 36 |
| Floor | 736.2 |
| Highest | 1236.2 (2025-06-01) |
| Min/Max +/- allowed | 157.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1112 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1197.6 |
| K-factor | 36 |
| Floor | 736.2 |
| Highest | 1236.2 (2025-06-01) |
| Min/Max +/- allowed | 157.5 |
Rapid rating
| Rating | 1170.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1462.8 (2024-03-01) |
| Min/Max +/- allowed | 114 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 935.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1170.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1462.8 (2024-03-01) |
| Min/Max +/- allowed | 114 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| 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 (2024-04-01) |
| 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 | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1190.8 | 6 | 1 | 1018.6 | 0 | Details |
| 2 | Cape Town Metro Top Schools District Central 2025 (U9) | Standard | 2025-08-02 | 2025-08-02 | Cape Town (WCT) | 5 | 1190.4 | 5 | 2.5 | 1200 | 0 | Details |
| 3 | Cape Town Chess Junior League 2025 (U8+U10 Development) | Rapid | 2025-05-23 | 2025-05-31 | Cape Town (WCT) | 7 | 1212.8 | 6 | 2 | 1066.8 | 0 | Details |
| 4 | Western Cape Schools Individual Championship 2025 (U9 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1202.8 | 6 | 3 | 1250.6 | 0 | Details |
| 5 | CT Metro Schools Individual Closed 2025 (U9 Girls) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1153.2 | 6 | 4 | 1383 | 0 | Details |
| 6 | Cape of Good Hope Open 2025 (U10) | Rapid | 2025-02-22 | 2025-02-22 | Cape Town (WCT) | 6 | 1142.3 | 6 | 1.5 | 1016.9 | 0 | Details |
| 7 | 2025 District Central Schools Chess Individual Trials (U9 Girls) | Standard | 2025-01-31 | 2025-02-01 | Cape Town (WCT) | 6 | 1142.3 | 5 | 3 | 1311.8 | 0 | Details |
| 8 | UCT Open Chess Championship 2024 (U10) | Rapid | 2024-10-12 | 2024-10-13 | Cape Town (WCT) | 6 | 1117.7 | 5 | 1 | 988.1 | 0 | Details |
| 9 | CT Metro Central District Top Schools 2024 (U7+U9 Mixed) | Rapid | 2024-07-27 | 2024-07-27 | Cape Town (WCT) | 5 | 1200 | 4 | 2 | 1186.2 | 0 | Details |
| 10 | Cape Town Chess Federation Closed Chess Championships 2024 (U10) | Standard | 2024-06-15 | 2024-06-15 | Cape Town (WCT) | 5 | 1147.6 | 5 | 1 | 1001.9 | 0 | Details |
| 11 | Steinitz Chess Festival 2024 (U10) | Rapid | 2024-05-11 | 2024-05-11 | Cape Town (WCT) | 5 | 1151.9 | 5 | 2 | 1119.9 | 0 | Details |
| 12 | Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Girls) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1200 | 5 | 1 | 946 | 0 | Details |
| 13 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1230.8 | 5 | 2 | 1108.4 | 0 | Details |
| 14 | Gugulethu Chess College Bashment Cup 2023 (U7) | Rapid | 2023-12-06 | 2023-12-06 | Cape Town (WCT) | 5 | 1200 | 5 | 4.5 | 1516.7 | 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 | 6 |
| Wins | 1 |
| Draws | 0 |
| Losses | 5 |
| White | 3 |
| Black | 3 |
| White wins | 1 |
| Black wins | 0 |
| Score | 1 |
| Percent | 16.7 |
| Dp | -283.3 |
| AOR | 1301.9 |
| Performance | 1018.6 |
Game statistics (History)
| Games | 74 |
| Wins | 26 |
| Draws | 9 |
| Losses | 39 |
| White | 39 |
| Black | 35 |
| White wins | 17 |
| Black wins | 9 |
| Score | 30.5 |
| Percent | 41.2 |
| Dp | -74.7 |
| AOR | 1225 |
| Performance | 1150.3 |
Rankings (Main)
| National | |
| Overall | 16137 |
| Gender | 3787 |
| Age group | 2248 |
| Gender/Age | 620 |
| Provincial | |
| Overall | 4714 |
| Gender | 1196 |
| Age group | 751 |
| Gender/Age | 231 |
| Regional | |
| Overall | 1838 |
| Gender | 363 |
| Age group | 266 |
| Gender/Age | 54 |
Rankings (Standard)
| National | |
| Overall | 10518 |
| Gender | 2385 |
| Age group | 1342 |
| Gender/Age | 349 |
| Provincial | |
| Overall | 3034 |
| Gender | 801 |
| Age group | 438 |
| Gender/Age | 146 |
| Regional | |
| Overall | 1243 |
| Gender | 265 |
| Age group | 155 |
| Gender/Age | 35 |
Rankings (Rapid)
| National | |
| Overall | 5439 |
| Gender | 1331 |
| Age group | 861 |
| Gender/Age | 247 |
| Provincial | |
| Overall | 2165 |
| Gender | 559 |
| Age group | 367 |
| Gender/Age | 112 |
| Regional | |
| Overall | 819 |
| Gender | 148 |
| Age group | 132 |
| Gender/Age | 24 |
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 | 6 |
| Score | 1 |
| Percent | 16.7 |
| Aor | 1301.9 |
| Dp | -283.3 |
| Prat | 1018.6 |
Performance (12 months)
| Games | 23 |
| Score | 8.5 |
| Percent | 37 |
| Aor | 1242 |
| Dp | -110.9 |
| Prat | 1131.1 |
Performance (History)
| Games | 74 |
| Score | 30.5 |
| Percent | 41.2 |
| Aor | 1225 |
| Dp | -74.7 |
| Prat | 1150.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Adams, M (Mariam) | 5 | 3 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | Western Cape Schools Individual Championship 2025 (U9 Girls) | Details |
| Overall | 2 | Meer, M (Maryam Hasanah) | 4 | 2 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Overall | 3 | Javed, M (Mariam) | 4 | 1 | 3 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Overall | 4 | May, A (Avumile) | 2 | 2 | 0 | Gugulethu Chess College Bashment Cup 2023 (U7) | Cape of Good Hope Open 2025 (U10) | Details |
| Overall | 5 | Javed, Z (Zainab) | 2 | 0 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Standard | 1 | Adams, M (Mariam) | 5 | 3 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | Western Cape Schools Individual Championship 2025 (U9 Girls) | Details |
| Standard | 2 | Javed, M (Mariam) | 4 | 1 | 3 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Standard | 3 | Meer, M (Maryam Hasanah) | 3 | 2 | 1 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Standard | 4 | Javed, Z (Zainab) | 2 | 0 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | District Central Schools Chess Individual Trials 2026 (U11 Girls) | Details |
| Standard | 5 | Sher, I (Ivy) | 2 | 0 | 2 | CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Girls) | Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Girls) | Details |
| Rapid | 1 | May, A (Avumile) | 2 | 2 | 0 | Gugulethu Chess College Bashment Cup 2023 (U7) | Cape of Good Hope Open 2025 (U10) | Details |