PLAYER PAGE
Ahlumile Mabaso
1120143639Cape Town (WCT)Personal
Main rating
| Rating | 1401.4 |
| K-factor | 32 |
| Floor | 1038.7 |
| Highest | 1538.7 (2025-07-01) |
| Min/Max +/- allowed | 102 |
| Rating Change () | |
| Games | 7 |
| Score | 4 |
| We | 4.02 |
| SWe | -0.02 |
| Temp +/- | -0.5 |
| Penalties | 0 |
| Weight perform | 1282.6 |
| Final +/- | -0.5 |
| New Rating () | |
| Rating | 1400.9 |
| K-factor | 32 |
| Floor | 1038.7 |
| Highest | 1538.7 (2025-07-01) |
| Min/Max +/- allowed | 102.3 |
Standard rating
| Rating | 1398.5 |
| K-factor | 32 |
| Floor | 1017.4 |
| Highest | 1517.4 (2025-07-01) |
| Min/Max +/- allowed | 105.5 |
| Rating Change () | |
| Games | 7 |
| Score | 4 |
| We | 4.15 |
| SWe | -0.15 |
| Temp +/- | -4.9 |
| Penalties | 0 |
| Weight perform | 1296.8 |
| Final +/- | -4.9 |
| New Rating () | |
| Rating | 1393.6 |
| K-factor | 32 |
| Floor | 1017.4 |
| Highest | 1517.4 (2025-07-01) |
| Min/Max +/- allowed | 105.5 |
Rapid rating
| Rating | 1318.8 |
| K-factor | 36 |
| Floor | 894.2 |
| Highest | 1394.2 (2024-02-01) |
| Min/Max +/- allowed | 125.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1132 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1318.8 |
| K-factor | 36 |
| Floor | 894.2 |
| Highest | 1394.2 (2024-02-01) |
| Min/Max +/- allowed | 125.7 |
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 Open Championship 2026 (U15 Boys) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1401.4 | 7 | 4 | 1373.4 | -0.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | CTCF Open Championship 2026 (U16) | Classical | 2026-06-13 | 2026-06-14 | Cape Town (WCT) | 6 | 1403.9 | 6 | 3 | 1392.9 | -2.4 | Details |
| 2 | CT Metro Schools Individual Closed 2026 (U15 Boys) | Standard | 2026-03-07 | 2026-03-08 | Cape Town (WCT) | 6 | 1458.7 | 5 | 1 | 1109.2 | -54.8 | Details |
| 3 | District Central Schools Chess Individual Trials 2026 (U15 Open) | Standard | 2026-02-07 | 2026-02-07 | Cape Town (WCT) | 6 | 1480.5 | 6 | 3.5 | 1363.5 | -13.4 | Details |
| 4 | Kraaifontein Open 2025 (Junior Rapid U14) | Rapid | 2025-12-06 | 2025-12-06 | Cape Town (WCT) | 6 | 1517.1 | 6 | 2 | 1246.2 | -22.8 | Details |
| 5 | Cape Town Chess Federation Club League 2025 (E) | Standard | 2025-08-16 | 2025-08-23 | Cape Town (WCT) | 6 | 1538.7 | 6 | 4 | 1456.9 | -8.4 | Details |
| 6 | UCT Open Chess Championship 2025 (U14) | Rapid | 2025-10-11 | 2025-10-11 | Cape Town (WCT) | 6 | 1538.7 | 6 | 4 | 1467.8 | -5.2 | Details |
| 7 | Cape Town Chess Junior League 2025 (U14) | Standard | 2025-05-10 | 2025-05-31 | Cape Town (WCT) | 6 | 1445.2 | 6 | 5.5 | 1730.6 | 34.9 | Details |
| 8 | Cape Town Open Chess Festival 2025 (U14) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1307.1 | 6 | 5 | 1714.4 | 47.6 | Details |
| 9 | CT Metro Schools Individual Closed 2025 (U13 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1307.1 | 6 | 3 | 1408.3 | 12.1 | Details |
| 10 | 2025 District Central Schools Chess Individual Trials (U13 Open) | Standard | 2025-01-31 | 2025-02-01 | Cape Town (WCT) | 6 | 1277.6 | 6 | 4 | 1417.4 | 16.4 | Details |
| 11 | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | Standard | 2024-06-15 | 2024-06-16 | Cape Town (WCT) | 6 | 1262.6 | 6 | 3 | 1331.3 | 8.4 | Details |
| 12 | Cape Town Junior League Finals 2024 (U13 Open B) | Rapid | 2024-05-18 | 2024-05-18 | Cape Town (WCT) | 6 | 1235.8 | 5 | 2 | 1170.9 | -3.6 | Details |
| 13 | Steinitz Chess Festival 2024 (U14) | Rapid | 2024-05-11 | 2024-05-11 | Cape Town (WCT) | 5 | 1235.8 | 5 | 2 | 1177.1 | -2.9 | Details |
| 14 | Cape Town Junior League - Qualifier 2 2024 (U13) | Rapid | 2024-04-20 | 2024-04-20 | Cape Town (WCT) | 6 | 1235.8 | 6 | 4.5 | 1505.9 | 21.5 | Details |
| 15 | Cape Town Junior League Qualifier 2024 (U13 Open) | Rapid | 2024-04-06 | 2024-04-06 | Cape Town (WCT) | 6 | 1280.3 | 5 | 0 | 897.9 | -24.9 | Details |
| 16 | CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1297.9 | 4 | 1.5 | 1190.4 | -9.8 | Details |
| 17 | Gugulethu Chess College Bashment Cup 2023 (U11) | Rapid | 2023-12-06 | 2023-12-06 | Cape Town (WCT) | 5 | 1261.9 | 5 | 5 | 1615.5 | 20.1 | Details |
| 18 | Western Cape Closed Championship 2023 (U12) | Rapid | 2023-09-23 | 2023-09-23 | Cape Town (WCT) | 6 | 1227.3 | 6 | 2 | 1072.5 | -11 | Details |
| 19 | Cape Town Junior Chess League Finals 2023 (U12A) | Rapid | 2023-09-16 | 2023-09-16 | Cape Town (WCT) | 7 | 1227.3 | 7 | 6 | 1572.3 | 30.4 | Details |
| 20 | Cape Town Junior Chess League - Round 1 2023 (U12A) | Rapid | 2023-07-22 | 2023-07-22 | Cape Town (WCT) | 7 | 1203.2 | 6 | 3.5 | 1381.2 | 13.6 | Details |
| 21 | WP Closed 2023 (U12) | Standard | 2023-06-16 | 2023-06-17 | Cape Town (WCT) | 6 | 1175.4 | 6 | 3 | 1211 | 4.4 | Details |
| 22 | Cape Town Junior League 2nd Qualifier 2023 (U12) | Rapid | 2023-06-03 | 2023-06-03 | Cape Town (WCT) | 6 | 1175.4 | 6 | 3.5 | 1319.9 | 11 | Details |
| 23 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys) | Standard | 2023-03-03 | 2023-03-04 | Cape Town (WCT) | 6 | 1200.8 | 6 | 2 | 1082.2 | -13.9 | Details |
| 24 | Central District School Trials 2023 (U11 Boys) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1221.1 | 5 | 2 | 1112.9 | -11.3 | Details |
| 25 | 2022 Bashment Cup (U11) | Rapid | 2022-12-09 | 2022-12-09 | Cape Town (WCT) | 5 | 1197.6 | 5 | 4 | 1402.7 | 11.8 | Details |
| 26 | Metro Rapid 2022 (U11 Boys) | Rapid | 2022-10-22 | 2022-10-22 | Cape Town (WCT) | 5 | 1200 | 4 | 2 | 1177.7 | -1.2 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 4 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 4 |
| White wins | 1 |
| Black wins | 3 |
| Score | 4 |
| Percent | 57.1 |
| Dp | 60.7 |
| AOR | 1312.7 |
| Performance | 1373.4 |
Game statistics ()
| Games | 24 |
| Wins | 11 |
| Draws | 1 |
| Losses | 12 |
| White | 11 |
| Black | 13 |
| White wins | 3 |
| Black wins | 8 |
| Score | 11.5 |
| Percent | 47.9 |
| Dp | -17.7 |
| AOR | 1338.5 |
| Performance | 1320.8 |
Game statistics (History)
| Games | 153 |
| Wins | 82 |
| Draws | 6 |
| Losses | 65 |
| White | 73 |
| Black | 80 |
| White wins | 39 |
| Black wins | 43 |
| Score | 85 |
| Percent | 55.6 |
| Dp | 47.2 |
| AOR | 1293.5 |
| Performance | 1340.8 |
Rankings (Main)
| National | |
| Overall | 3588 |
| Gender | 3042 |
| Age group | 481 |
| Gender/Age | 385 |
| Provincial | |
| Overall | 1105 |
| Gender | 893 |
| Age group | 144 |
| Gender/Age | 107 |
| Regional | |
| Overall | 551 |
| Gender | 468 |
| Age group | 58 |
| Gender/Age | 41 |
Rankings (Standard)
| National | |
| Overall | 3287 |
| Gender | 2747 |
| Age group | 469 |
| Gender/Age | 370 |
| Provincial | |
| Overall | 969 |
| Gender | 760 |
| Age group | 139 |
| Gender/Age | 102 |
| Regional | |
| Overall | 492 |
| Gender | 406 |
| Age group | 55 |
| Gender/Age | 40 |
Rankings (Rapid)
| National | |
| Overall | 1776 |
| Gender | 1492 |
| Age group | 351 |
| Gender/Age | 277 |
| Provincial | |
| Overall | 759 |
| Gender | 627 |
| Age group | 131 |
| Gender/Age | 102 |
| Regional | |
| Overall | 327 |
| Gender | 291 |
| Age group | 49 |
| Gender/Age | 42 |
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 | 7 |
| Score | 4 |
| Percent | 57.1 |
| Aor | 1312.7 |
| Dp | 60.7 |
| Prat | 1373.4 |
Performance ()
| Games | 24 |
| Score | 11.5 |
| Percent | 47.9 |
| Aor | 1338.5 |
| Dp | -17.7 |
| Prat | 1320.8 |
Performance (12 months)
| Games | 42 |
| Score | 21.5 |
| Percent | 51.2 |
| Aor | 1340.5 |
| Dp | 10.1 |
| Prat | 1350.6 |
Performance (History)
| Games | 153 |
| Score | 85 |
| Percent | 55.6 |
| Aor | 1293.5 |
| Dp | 47.2 |
| Prat | 1340.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Bagley, Z (Zakariah) | 3 | 2 | 1 | Metro Rapid 2022 (U11 Boys) | District Central Schools Chess Individual Trials 2026 (U15 Open) | Details |
| Overall | 2 | Stewart, N (Neil) | 3 | 2 | 1 | Cape Town Junior League 2nd Qualifier 2023 (U12) | Cape Town Junior Chess League Finals 2023 (U12A) | Details |
| Overall | 3 | Damane, L (Lukhanyo) | 3 | 1 | 2 | 2022 Bashment Cup (U11) | 2025 District Central Schools Chess Individual Trials (U13 Open) | Details |
| Overall | 4 | Srivastava, P (Prakhar) | 3 | 2 | 1 | Central District School Trials 2023 (U11 Boys) | 2025 District Central Schools Chess Individual Trials (U13 Open) | Details |
| Overall | 5 | Tyhalibhongo, G (Gift) | 3 | 2 | 1 | Metro Rapid 2022 (U11 Boys) | District Central Schools Chess Individual Trials 2026 (U15 Open) | Details |
| Standard | 1 | Srivastava, P (Prakhar) | 3 | 2 | 1 | Central District School Trials 2023 (U11 Boys) | 2025 District Central Schools Chess Individual Trials (U13 Open) | Details |
| Standard | 2 | Ismail, R (Razeen) | 2 | 2 | 0 | Central District School Trials 2023 (U11 Boys) | 2025 District Central Schools Chess Individual Trials (U13 Open) | Details |
| Standard | 3 | Guo, A (Aleks) | 2 | 1 | 1 | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | CT Metro Schools Individual Closed 2026 (U15 Boys) | Details |
| Standard | 4 | Lee, S (Shakoor) | 2 | 1 | 1 | CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Boys) | District Central Schools Chess Individual Trials 2026 (U15 Open) | Details |
| Standard | 5 | Bagley, Z (Zakariah) | 2 | 1 | 1 | 2025 District Central Schools Chess Individual Trials (U13 Open) | District Central Schools Chess Individual Trials 2026 (U15 Open) | Details |
| Rapid | 1 | Van Wyk, M (Micaile) | 3 | 2 | 1 | Cape Town Junior League 2nd Qualifier 2023 (U12) | Cape Town Junior Chess League Finals 2023 (U12A) | Details |
| Rapid | 2 | Stewart, N (Neil) | 3 | 2 | 1 | Cape Town Junior League 2nd Qualifier 2023 (U12) | Cape Town Junior Chess League Finals 2023 (U12A) | Details |
| Rapid | 3 | Mputing, T (Thando) | 2 | 2 | 0 | Cape Town Junior Chess League Finals 2023 (U12A) | Cape Town Junior League Qualifier 2024 (U13 Open) | Details |
| Rapid | 4 | Damane, L (Lukhanyo) | 2 | 0 | 2 | 2022 Bashment Cup (U11) | Gugulethu Chess College Bashment Cup 2023 (U11) | Details |
| Rapid | 5 | De Villiers, C (Christiaan) | 2 | 1 | 1 | Cape Town Junior Chess League - Round 1 2023 (U12A) | Cape Town Junior Chess League Finals 2023 (U12A) | Details |