PLAYER PAGE
Sebastian Van Der Merwe
1140141808Buffalo City (EBC)Personal
Main rating
| Rating | 1195.2 |
| K-factor | 36 |
| Floor | 766.3 |
| Highest | 1266.9 (2023-02-01) |
| Min/Max +/- allowed | 151 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1070.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1195.2 |
| K-factor | 36 |
| Floor | 766.3 |
| Highest | 1266.9 (2023-02-01) |
| Min/Max +/- allowed | 150.7 |
Standard rating
| Rating | 1208.3 |
| K-factor | 36 |
| Floor | 781 |
| Highest | 1353.3 (2023-02-01) |
| Min/Max +/- allowed | 133.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1070.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1208.3 |
| K-factor | 36 |
| Floor | 781 |
| Highest | 1353.3 (2023-02-01) |
| Min/Max +/- allowed | 133.3 |
Rapid rating
| Rating | 1183.6 |
| 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 | 809.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1183.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1059.7 |
| 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 | 1059.7 |
| 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 | BC Schools Chess Festival 2025 (U11 Open) | Standard | 2025-07-26 | 2025-07-26 | Buffalo City (EBC) | 5 | 1183.1 | 4 | 2 | 1269.7 | 0 | Details |
| 2 | 2025 Buffalo City Chess Trials 1 (U12) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1184.7 | 5 | 2 | 1169.3 | 0 | Details |
| 3 | 5th BC Trails 2024 (U12A) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1186.9 | 5 | 2 | 1142.6 | 0 | Details |
| 4 | 3rd BC Trials 2024 (U12A) | Standard | 2024-05-11 | 2024-05-11 | Buffalo City (EBC) | 5 | 1168.7 | 5 | 3 | 1267.7 | 0 | Details |
| 5 | 2nd BC Trials 2024 (U12A) | Standard | 2024-03-09 | 2024-03-09 | Buffalo City (EBC) | 5 | 1182.1 | 5 | 2 | 1113.3 | 0 | Details |
| 6 | Buffalo City Vikings Chess Trials 2024 (U12A) | Standard | 2024-02-03 | 2024-02-03 | Buffalo City (EBC) | 5 | 1166.6 | 5 | 3 | 1262.7 | 0 | Details |
| 7 | Chess Vikings VP-Mall Blitz 2024 (B) | Blitz | 2024-01-27 | 2024-01-27 | Buffalo City (EBC) | 9 | 1175.4 | 9 | 3 | 1077.7 | 0 | Details |
| 8 | Chess Vikings Exam Rapid 2023 (B) | Rapid | 2023-11-04 | 2023-11-04 | Buffalo City (EBC) | 7 | 1175.4 | 0 | 0 | 0 | 0 | Details |
| 9 | Chess Vikings Wild Card 2023 (U10+U12) | Standard | 2023-10-02 | 2023-10-02 | Buffalo City (EBC) | 6 | 1225.1 | 4 | 1.5 | 1100.6 | 0 | Details |
| 10 | BC Vikings Closed 2023 (U10) | Standard | 2023-10-03 | 2023-10-04 | Buffalo City (EBC) | 8 | 1225.1 | 7 | 2.5 | 1183.5 | 0 | Details |
| 11 | BC Vikings Blitz Championship 2023 | Blitz | 2023-10-05 | 2023-10-05 | Buffalo City (EBC) | 10 | 1225.1 | 9 | 1 | 941.3 | 0 | Details |
| 12 | BC 5th Trials 2023 (U10A) | Standard | 2023-09-02 | 2023-09-02 | Buffalo City (EBC) | 5 | 1266.3 | 5 | 1 | 1023.8 | 0 | Details |
| 13 | 3rd BC Trials 2023 (U10A) | Standard | 2023-08-12 | 2023-08-12 | Buffalo City (EBC) | 5 | 1255.2 | 5 | 3 | 1325.7 | 0 | Details |
| 14 | 2nd BC Trials 2023 (U10A) | Rapid | 2023-06-03 | 2023-06-03 | Buffalo City (EBC) | 7 | 1256.3 | 7 | 4 | 1254.4 | 0 | Details |
| 15 | 2nd Little Vikings 2023 (U10B) | Standard | 2023-02-23 | 2023-02-23 | Buffalo City (EBC) | 5 | 1192.9 | 5 | 4 | 1455 | 0 | Details |
| 16 | Little Vikings 2023 (U10B+U12B) | Standard | 2023-02-11 | 2023-02-11 | Buffalo City (EBC) | 5 | 1192.9 | 5 | 3 | 1238.8 | 0 | Details |
| 17 | Slum Knights 5th 2022 (C) | Standard | 2022-10-22 | 2022-10-22 | Buffalo City (EBC) | 5 | 1186.9 | 5 | 3 | 1226 | 0 | Details |
| 18 | Slum Knights 3rd Open 2022 (C) | Rapid | 2022-09-18 | 2022-09-18 | Buffalo City (EBC) | 6 | 1190.6 | 6 | 2.5 | 1106.7 | 0 | Details |
| 19 | Slum Knights 2nd Open 2022 (C) | Rapid | 2022-09-17 | 2022-09-17 | Buffalo City (EBC) | 6 | 1190.6 | 6 | 3.5 | 1266.5 | 0 | Details |
| 20 | Slum Knights 2022 (C) | Rapid | 2022-08-06 | 2022-08-06 | Buffalo City (EBC) | 6 | 1188.2 | 6 | 3 | 1202 | 0 | Details |
| 21 | BC Chess 4th Border Trials 2022 (C) | Rapid | 2022-05-21 | 2022-05-21 | Buffalo City (EBC) | 6 | 1200 | 6 | 2.5 | 1110.5 | 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 | 114 |
| Wins | 49 |
| Draws | 5 |
| Losses | 60 |
| White | 59 |
| Black | 54 |
| White wins | 26 |
| Black wins | 23 |
| Score | 51.5 |
| Percent | 45.2 |
| Dp | -41 |
| AOR | 1216.1 |
| Performance | 1175.1 |
Rankings (Main)
| National | |
| Overall | 13844 |
| Gender | 10780 |
| Age group | 2526 |
| Gender/Age | 1808 |
| Provincial | |
| Overall | 1358 |
| Gender | 1074 |
| Age group | 199 |
| Gender/Age | 126 |
| Regional | |
| Overall | 446 |
| Gender | 360 |
| Age group | 59 |
| Gender/Age | 41 |
Rankings (Standard)
| National | |
| Overall | 9431 |
| Gender | 7397 |
| Age group | 1644 |
| Gender/Age | 1183 |
| Provincial | |
| Overall | 968 |
| Gender | 781 |
| Age group | 139 |
| Gender/Age | 93 |
| Regional | |
| Overall | 345 |
| Gender | 282 |
| Age group | 47 |
| Gender/Age | 34 |
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 | 9 |
| Score | 4 |
| Percent | 44.4 |
| Aor | 1261.1 |
| Dp | -47.2 |
| Prat | 1213.9 |
Performance (History)
| Games | 114 |
| Score | 51.5 |
| Percent | 45.2 |
| Aor | 1216.1 |
| Dp | -41 |
| Prat | 1175.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Kwelani, L (Luthando) | 6 | 4 | 2 | 2nd BC Trials 2023 (U10A) | 5th BC Trails 2024 (U12A) | Details |
| Overall | 2 | Scheeld, L (Liam) | 5 | 4 | 1 | Slum Knights 3rd Open 2022 (C) | 2nd BC Trials 2024 (U12A) | Details |
| Overall | 3 | Khandoo, N (Nilan) | 5 | 3 | 2 | Slum Knights 2nd Open 2022 (C) | BC Schools Chess Festival 2025 (U11 Open) | Details |
| Overall | 4 | Ndwandwa, L (Longezo) | 5 | 3 | 2 | 2nd BC Trials 2023 (U10A) | 2nd BC Trials 2024 (U12A) | Details |
| Overall | 5 | Dayimani, I (Imbo) | 4 | 3 | 1 | BC Chess 4th Border Trials 2022 (C) | 3rd BC Trials 2023 (U10A) | Details |
| Standard | 1 | Kwelani, L (Luthando) | 5 | 4 | 1 | 3rd BC Trials 2023 (U10A) | 5th BC Trails 2024 (U12A) | Details |
| Standard | 2 | Ndwandwa, L (Longezo) | 4 | 2 | 2 | 3rd BC Trials 2023 (U10A) | 2nd BC Trials 2024 (U12A) | Details |
| Standard | 3 | Mxabo, M (Masonwabe) | 3 | 1 | 2 | 2nd Little Vikings 2023 (U10B) | 2025 Buffalo City Chess Trials 1 (U12) | Details |
| Standard | 4 | Scheeld, L (Liam) | 3 | 2 | 1 | Slum Knights 5th 2022 (C) | 2nd BC Trials 2024 (U12A) | Details |
| Standard | 5 | Wildeman, J (Jordez) | 3 | 0 | 3 | BC 5th Trials 2023 (U10A) | 5th BC Trails 2024 (U12A) | Details |
| Rapid | 1 | Dayimani, I (Imbo) | 3 | 2 | 1 | BC Chess 4th Border Trials 2022 (C) | 2nd BC Trials 2023 (U10A) | Details |
| Rapid | 2 | Hannan, T (Troy) | 2 | 0 | 2 | Slum Knights 2nd Open 2022 (C) | Slum Knights 3rd Open 2022 (C) | Details |
| Rapid | 3 | Jagers, N (Noah) | 2 | 2 | 0 | Slum Knights 2nd Open 2022 (C) | Slum Knights 3rd Open 2022 (C) | Details |
| Rapid | 4 | Khandoo, N (Nilan) | 2 | 2 | 0 | Slum Knights 2nd Open 2022 (C) | Slum Knights 3rd Open 2022 (C) | Details |