PLAYER PAGE
Mark Maroba
1090155592Ekurhuleni (GE)Personal
Main rating
| Rating | 1690.7 |
| K-factor | 28 |
| Floor | 1222.9 |
| Highest | 1783 (2025-09-30) |
| Min/Max +/- allowed | 72 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 2.62 |
| SWe | 0.73 |
| Temp +/- | 20.5 |
| Penalties | 0 |
| Weight perform | 1696.1 |
| Final +/- | +20.5 |
| New Rating () | |
| Rating | 1711.2 |
| K-factor | 28 |
| Floor | 1222.9 |
| Highest | 1783 (2025-09-30) |
| Min/Max +/- allowed | 72.3 |
Standard rating
| Rating | 1690.8 |
| K-factor | 28 |
| Floor | 1231.8 |
| Highest | 1772.2 (2025-09-30) |
| Min/Max +/- allowed | 73.4 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 2.62 |
| SWe | 0.88 |
| Temp +/- | 24.5 |
| Penalties | 0 |
| Weight perform | 1696.1 |
| Final +/- | +24.5 |
| New Rating () | |
| Rating | 1715.3 |
| K-factor | 28 |
| Floor | 1231.8 |
| Highest | 1772.2 (2025-09-30) |
| Min/Max +/- allowed | 73.4 |
Rapid rating
| Rating | 1405.5 |
| K-factor | 32 |
| Floor | 905.5 |
| Highest | 1480.2 (2023-10-01) |
| Min/Max +/- allowed | 111.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1405.5 |
| K-factor | 32 |
| Floor | 905.5 |
| Highest | 1480.2 (2023-10-01) |
| Min/Max +/- allowed | 111.2 |
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 | Gauteng Closed Chess Championships 2026 (U18 Open) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1690.7 | 5 | 3.5 | 1833.2 | 20.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | D5 Teams 2026 (U19 Open) | Standard | 2026-08-15 | 2026-08-15 | Ekurhuleni (GE) | 5 | 1690.7 | 4 | 4 | 1853.9 | 20.3 | Details |
| 2 | Ekurhuleni 2nd Trial 2026 (C) | Standard | 2026-06-20 | 2026-06-20 | Ekurhuleni (GE) | 5 | 1679.9 | 5 | 3.5 | 1573.9 | -9.5 | Details |
| 3 | D5 2026 (U18 Boys) | Standard | 2026-04-25 | 2026-04-25 | Ekurhuleni (GE) | 5 | 1697.5 | 5 | 4 | 1520.1 | -17.5 | Details |
| 4 | South African Junior Closed Chess Championship 2026 (U18 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1702.3 | 9 | 5 | 1689.2 | -4.9 | Details |
| 5 | Chess Power House Boksburg Open 2026 (A) | Standard | 2026-03-14 | 2026-03-14 | Ekurhuleni (GE) | 5 | 1719.9 | 5 | 3.5 | 1589.2 | -17.5 | Details |
| 6 | Ekurhuleni 1st Standard Tournament 2026 (A) | Standard | 2026-02-14 | 2026-02-14 | Ekurhuleni (GE) | 5 | 1723 | 4 | 1 | 1658.2 | -5.1 | Details |
| 7 | JP Wagner Cup 2026 (A) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1723 | 5 | 4 | 1741.4 | 1.8 | Details |
| 8 | 2025 Mzansi Individual Championships (U18 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1741.1 | 6 | 5 | 1887 | 20.8 | Details |
| 9 | 2025 Mzansi Inter Provincial Team Championships (U18 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1741.1 | 6 | 3 | 1554.6 | -21.6 | Details |
| 10 | Gauteng Inter-Region at Emerald Resort 2025 (U18 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1741.1 | 5 | 3.5 | 1812.6 | 7.1 | Details |
| 11 | 2025 Gauteng Top Schools Teams (U19) | Standard | 2025-08-30 | 2025-08-30 | Tshwane (GTP) | 5 | 1782.3 | 5 | 4 | 1764.3 | 5.1 | Details |
| 12 | Ekurhuleni Trial 4 2025 (C) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1752.2 | 5 | 4.5 | 1825.6 | 8.1 | Details |
| 13 | Tshwane Chess Club Clash 2025 (Open) | Standard | 2025-09-13 | 2025-09-13 | Tshwane (GTP) | 5 | 1752.2 | 5 | 3 | 1681.3 | -7.5 | Details |
| 14 | D5 Teams 2025 (U19 Open) | Standard | 2025-08-16 | 2025-08-16 | Ekurhuleni (GE) | 3 | 1667 | 2 | 1.5 | 1544.9 | -4.5 | Details |
| 15 | Ekurhuleni Trials 2025 (A) | Standard | 2025-07-26 | 2025-07-26 | Ekurhuleni (GE) | 5 | 1667 | 4 | 2.5 | 2080.2 | 32 | Details |
| 16 | South African Open 2025 (B) | Classical | 2025-06-28 | 2025-07-05 | Johannesburg Metro (GJM) | 11 | 1674.4 | 10 | 7 | 1649.8 | -5.4 | Details |
| 17 | Ekurhuleni Trial 2 2025 (C) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 1660.7 | 5 | 4.5 | 1717.2 | 6.5 | Details |
| 18 | Ekurhuleni Trials 2025 (C) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1626.8 | 5 | 4.5 | 1786.4 | 16.4 | Details |
| 19 | D5 Anker 2025 (U18 Boys) | Standard | 2025-05-17 | 2025-05-17 | Ekurhuleni (GE) | 5 | 1626.8 | 5 | 4.5 | 1541.5 | -5.8 | Details |
| 20 | East Rand Chess Club Open 2025 (B) | Standard | 2025-05-03 | 2025-05-03 | Ekurhuleni (GE) | 5 | 1626.8 | 5 | 5 | 1742 | 12.3 | Details |
| 21 | South African Junior Closed Chess Championships 2025 (U16 Open) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1641.8 | 9 | 4 | 1587.2 | -10.8 | Details |
| 22 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Combined) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1579.8 | 6 | 4 | 1677 | 13.8 | Details |
| 23 | Gauteng Inter-Region at UJ 2024 (U16 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1579.8 | 5 | 3.5 | 1780.1 | 21 | Details |
| 24 | Gauteng Top Schools 2024 (U15 Open) | Rapid | 2024-10-05 | 2024-10-05 | Ekurhuleni (GE) | 5 | 1565.9 | 5 | 5 | 1670.7 | 8.7 | Details |
| 25 | Ekurhuleni Closed 2024 (U16) | Standard | 2024-09-21 | 2024-09-21 | Ekurhuleni (GE) | 5 | 1466 | 5 | 4 | 1594.5 | 13.3 | Details |
| 26 | Ekurhuleni Trails 3 2024 (U16) | Standard | 2024-08-24 | 2024-08-24 | Ekurhuleni (GE) | 5 | 1466 | 5 | 5 | 1847.1 | 36.5 | Details |
| 27 | Gauteng Schools Individuals Finals 2024 (U15 Boys) | Standard | 2024-08-17 | 2024-08-17 | Ekurhuleni (GE) | 5 | 1466 | 5 | 3 | 1319.5 | -14.8 | Details |
| 28 | EN Chess Club Winter Open 2024 (B) | Standard | 2024-06-29 | 2024-06-29 | Ekurhuleni (GE) | 5 | 1467.1 | 5 | 3.5 | 1451.3 | -0.7 | Details |
| 29 | Ekurhuleni Trails 1 2024 (U16) | Standard | 2024-06-01 | 2024-06-01 | Ekurhuleni (GE) | 5 | 1383.3 | 5 | 4 | 1612.4 | 23.4 | Details |
| 30 | Ekurhuleni Open 2024 (B) | Standard | 2024-04-06 | 2024-04-06 | Ekurhuleni (GE) | 5 | 1352.8 | 5 | 3.5 | 1531.8 | 16.9 | Details |
| 31 | Ekurhuleni North Chess Club 2023 (B) | Rapid | 2023-12-09 | 2023-12-09 | Ekurhuleni (GE) | 7 | 1288.6 | 7 | 6 | 1655 | 35.9 | Details |
| 32 | Gauteng Soncini Finals 2023 (Boys) | Rapid | 2023-10-28 | 2023-10-28 | Ekurhuleni (GE) | 5 | 1259.8 | 5 | 4 | 1554.8 | 16 | Details |
| 33 | Gauteng Open Arnold Classic 2023 (U16) | Rapid | 2023-05-19 | 2023-05-19 | Tshwane (GTP) | 5 | 1200 | 5 | 4 | 1679.9 | 33.5 | Details |
| 34 | Gauteng Schools Individual Finals 2023 (U15 Boys) | Standard | 2023-05-27 | 2023-05-27 | Ekurhuleni (GE) | 5 | 1200 | 5 | 3.5 | 1581.4 | 36.4 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 3 |
| Draws | 1 |
| Losses | 1 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3.5 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1663.2 |
| Performance | 1833.2 |
Game statistics ()
| Games | 42 |
| Wins | 25 |
| Draws | 7 |
| Losses | 10 |
| White | 21 |
| Black | 21 |
| White wins | 13 |
| Black wins | 12 |
| Score | 28.5 |
| Percent | 67.9 |
| Dp | 151.8 |
| AOR | 1527.8 |
| Performance | 1679.5 |
Game statistics (History)
| Games | 187 |
| Wins | 118 |
| Draws | 40 |
| Losses | 29 |
| White | 95 |
| Black | 92 |
| White wins | 61 |
| Black wins | 57 |
| Score | 138 |
| Percent | 73.8 |
| Dp | 202.3 |
| AOR | 1468.9 |
| Performance | 1671.1 |
Rankings (Main)
| National | |
| Overall | 607 |
| Gender | 569 |
| Age group | 57 |
| Gender/Age | 54 |
| Provincial | |
| Overall | 227 |
| Gender | 211 |
| Age group | 22 |
| Gender/Age | 20 |
| Regional | |
| Overall | 22 |
| Gender | 22 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 565 |
| Gender | 533 |
| Age group | 52 |
| Gender/Age | 50 |
| Provincial | |
| Overall | 218 |
| Gender | 206 |
| Age group | 20 |
| Gender/Age | 18 |
| Regional | |
| Overall | 22 |
| Gender | 22 |
| Age group | 2 |
| Gender/Age | 2 |
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 | 5 |
| Score | 3.5 |
| Percent | 70 |
| Aor | 1663.2 |
| Dp | 170 |
| Prat | 1833.2 |
Performance ()
| Games | 42 |
| Score | 28.5 |
| Percent | 67.9 |
| Aor | 1527.8 |
| Dp | 151.8 |
| Prat | 1679.5 |
Performance (12 months)
| Games | 59 |
| Score | 40 |
| Percent | 67.8 |
| Aor | 1547.9 |
| Dp | 151.3 |
| Prat | 1699.2 |
Performance (History)
| Games | 187 |
| Score | 138 |
| Percent | 73.8 |
| Aor | 1468.9 |
| Dp | 202.3 |
| Prat | 1671.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Du Toit, J (Jaunre) | 6 | 2 | 4 | Gauteng Schools Individual Finals 2023 (U15 Boys) | Ekurhuleni Trial 4 2025 (C) | Details |
| Overall | 2 | Shen Yu, F (Frank) | 4 | 2 | 2 | Ekurhuleni Trails 3 2024 (U16) | Ekurhuleni Trial 4 2025 (C) | Details |
| Overall | 3 | Elvin, D (David) | 4 | 3 | 1 | Gauteng Schools Individual Finals 2023 (U15 Boys) | South African Junior Closed Chess Championship 2026 (U18 Open) | Details |
| Overall | 4 | Mittermaier, G (Gunther) | 3 | 3 | 0 | Gauteng Inter-Region at UJ 2024 (U16 Open) | Gauteng Inter-Region at Emerald Resort 2025 (U18 Championship) | Details |
| Overall | 5 | Stephen, B (Bulelani) | 3 | 0 | 3 | Gauteng Inter-Region at UJ 2024 (U16 Open) | South African Junior Closed Chess Championship 2026 (U18 Open) | Details |
| Standard | 1 | Shen Yu, F (Frank) | 4 | 2 | 2 | Ekurhuleni Trails 3 2024 (U16) | Ekurhuleni Trial 4 2025 (C) | Details |
| Standard | 2 | Du Toit, J (Jaunre) | 4 | 2 | 2 | Gauteng Schools Individual Finals 2023 (U15 Boys) | Ekurhuleni Trial 4 2025 (C) | Details |
| Standard | 3 | Elvin, D (David) | 3 | 2 | 1 | Gauteng Schools Individual Finals 2023 (U15 Boys) | South African Junior Closed Chess Championship 2026 (U18 Open) | Details |
| Standard | 4 | Stephen, B (Bulelani) | 3 | 0 | 3 | Gauteng Inter-Region at UJ 2024 (U16 Open) | South African Junior Closed Chess Championship 2026 (U18 Open) | Details |
| Standard | 5 | Erasmus, M (Max) | 3 | 2 | 1 | East Rand Chess Club Open 2025 (B) | Ekurhuleni 2nd Trial 2026 (C) | Details |
| Rapid | 1 | Du Toit, J (Jaunre) | 2 | 0 | 2 | Gauteng Open Arnold Classic 2023 (U16) | Ekurhuleni North Chess Club 2023 (B) | Details |