PLAYER PAGE
Sebastian Weng
1150158250Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1458.8 |
| K-factor | 32 |
| Floor | 986.9 |
| Highest | 1550.8 (2024-07-01) |
| Min/Max +/- allowed | 101 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 3.22 |
| SWe | -1.01 |
| Temp +/- | -32.4 |
| Penalties | 0 |
| Weight perform | 1351.5 |
| Final +/- | -32.4 |
| New Rating () | |
| Rating | 1426.4 |
| K-factor | 32 |
| Floor | 986.9 |
| Highest | 1550.8 (2024-07-01) |
| Min/Max +/- allowed | 100.6 |
Standard rating
| Rating | 1462.5 |
| K-factor | 32 |
| Floor | 1004.4 |
| Highest | 1551.8 (2024-07-01) |
| Min/Max +/- allowed | 100.5 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 3.29 |
| SWe | -1.29 |
| Temp +/- | -41.3 |
| Penalties | 0 |
| Weight perform | 1351.5 |
| Final +/- | -41.3 |
| New Rating () | |
| Rating | 1421.2 |
| K-factor | 32 |
| Floor | 1004.4 |
| Highest | 1551.8 (2024-07-01) |
| Min/Max +/- allowed | 100.5 |
Rapid rating
| Rating | 1205.8 |
| K-factor | 36 |
| Floor | 705.8 |
| Highest | 1205.8 (2025-03-01) |
| Min/Max +/- allowed | 164.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1205.8 |
| K-factor | 36 |
| Floor | 705.8 |
| Highest | 1205.8 (2025-03-01) |
| Min/Max +/- allowed | 164.5 |
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 | Knight Riders Teams Open Chess Tournament 2026 | Standard | 2026-06-20 | 2026-06-20 | Johannesburg Metro (GJM) | 5 | 1458.8 | 5 | 2 | 1203.6 | -32.4 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | JMC Trinityhouse Randpark Ridge 2026 (U12) | Standard | 2026-06-27 | 2026-06-27 | Johannesburg Metro (GJM) | 5 | 1467 | 5 | 2.5 | 1421.1 | -8.2 | Details |
| 2 | JMC Trinityhouse Little Falls (U12) | Standard | 2026-02-28 | 2026-02-28 | Johannesburg Metro (GJM) | 5 | 1487.6 | 5 | 2 | 1347.8 | -20.7 | Details |
| 3 | 2026 JMC Kick off Tournament (U12) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 1448.5 | 5 | 4 | 1690.7 | 13.6 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1445.1 | 5 | 3.5 | 1455.4 | 2.1 | Details |
| 5 | JMC Closed 2025 (U12) | Standard | 2025-08-09 | 2025-08-10 | Johannesburg Metro (GJM) | 5 | 1431.6 | 5 | 3 | 1500.9 | 8.4 | Details |
| 6 | JMC - Trinity Randpark Ridge 2025 (U12) | Standard | 2025-07-26 | 2025-07-26 | Johannesburg Metro (GJM) | 5 | 1385.8 | 5 | 3 | 1509.3 | 12.8 | Details |
| 7 | South African Open 2025 (U12 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1385.8 | 5 | 2.5 | 1412.6 | 2.2 | Details |
| 8 | JMC Crawford Sandton 2025 (U12) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1313.8 | 5 | 3 | 1582.2 | 26.2 | Details |
| 9 | JMC Crawford Ruimsig 2025 (U12) | Standard | 2025-03-01 | 2025-03-01 | Johannesburg Metro (GJM) | 5 | 1306.2 | 5 | 2.5 | 1357.4 | 4.3 | Details |
| 10 | JMC Rapid The Bridge School 2025 (Open) | Rapid | 2025-02-23 | 2025-02-23 | Johannesburg Metro (GJM) | 7 | 1310.3 | 7 | 3 | 1292.3 | -2.2 | Details |
| 11 | JMC Trinityhouse Randpark Ridge 2024 (U10) | Standard | 2024-07-13 | 2024-07-13 | Johannesburg Metro (GJM) | 5 | 1250.2 | 5 | 4 | 1586.5 | 33.4 | Details |
| 12 | JMC Crawford International Sandton 2024 (U10) | Standard | 2024-05-11 | 2024-05-11 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 3.5 | 1492.4 | 27.9 | 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 | 20 |
| Wins | 10 |
| Draws | 1 |
| Losses | 9 |
| White | 10 |
| Black | 10 |
| White wins | 3 |
| Black wins | 7 |
| Score | 10.5 |
| Percent | 52.5 |
| Dp | 21.2 |
| AOR | 1394.5 |
| Performance | 1415.8 |
Game statistics (History)
| Games | 67 |
| Wins | 36 |
| Draws | 5 |
| Losses | 26 |
| White | 33 |
| Black | 34 |
| White wins | 18 |
| Black wins | 18 |
| Score | 38.5 |
| Percent | 57.5 |
| Dp | 63.4 |
| AOR | 1382 |
| Performance | 1445.5 |
Rankings (Main)
| National | |
| Overall | 2554 |
| Gender | 2203 |
| Age group | 203 |
| Gender/Age | 162 |
| Provincial | |
| Overall | 864 |
| Gender | 743 |
| Age group | 71 |
| Gender/Age | 58 |
| Regional | |
| Overall | 279 |
| Gender | 245 |
| Age group | 28 |
| Gender/Age | 24 |
Rankings (Standard)
| National | |
| Overall | 2272 |
| Gender | 1947 |
| Age group | 188 |
| Gender/Age | 152 |
| Provincial | |
| Overall | 796 |
| Gender | 683 |
| Age group | 69 |
| Gender/Age | 57 |
| Regional | |
| Overall | 258 |
| Gender | 227 |
| Age group | 28 |
| Gender/Age | 24 |
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 | 20 |
| Score | 10.5 |
| Percent | 52.5 |
| Aor | 1394.5 |
| Dp | 21.2 |
| Prat | 1415.8 |
Performance (12 months)
| Games | 30 |
| Score | 17 |
| Percent | 56.7 |
| Aor | 1379.9 |
| Dp | 56.7 |
| Prat | 1436.6 |
Performance (History)
| Games | 67 |
| Score | 38.5 |
| Percent | 57.5 |
| Aor | 1382 |
| Dp | 63.4 |
| Prat | 1445.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Zhu, R (Ryan Yuancheng) | 3 | 2 | 1 | JMC Crawford Ruimsig 2025 (U12) | JMC - Trinity Randpark Ridge 2025 (U12) | Details |
| Overall | 2 | Mwambazi, J (James) | 2 | 2 | 0 | JMC Crawford Ruimsig 2025 (U12) | 2026 JMC Kick off Tournament (U12) | Details |
| Overall | 3 | Thorulsley, K (Kairaav) | 2 | 1 | 1 | JMC Crawford Sandton 2025 (U12) | JMC Closed 2025 (U12) | Details |
| Overall | 4 | Motsamai, OB (Ontlametse Bokamoso) | 2 | 1 | 1 | JMC - Trinity Randpark Ridge 2025 (U12) | JMC Closed 2025 (U12) | Details |
| Overall | 5 | Steyn, K (Kian) | 2 | 2 | 0 | JMC Crawford Ruimsig 2025 (U12) | JMC Trinityhouse Randpark Ridge 2026 (U12) | Details |
| Standard | 1 | Zhu, R (Ryan Yuancheng) | 3 | 2 | 1 | JMC Crawford Ruimsig 2025 (U12) | JMC - Trinity Randpark Ridge 2025 (U12) | Details |
| Standard | 2 | Thorulsley, K (Kairaav) | 2 | 1 | 1 | JMC Crawford Sandton 2025 (U12) | JMC Closed 2025 (U12) | Details |
| Standard | 3 | Steyn, K (Kian) | 2 | 2 | 0 | JMC Crawford Ruimsig 2025 (U12) | JMC Trinityhouse Randpark Ridge 2026 (U12) | Details |
| Standard | 4 | Maduna, A (Asanda) | 2 | 1 | 1 | JMC Crawford Ruimsig 2025 (U12) | JMC Closed 2025 (U12) | Details |
| Standard | 5 | Goncalves, E (Emilio) | 2 | 1 | 1 | JMC Trinityhouse Randpark Ridge 2024 (U10) | South African Open 2025 (U12 Open) | Details |