PLAYER PAGE
Stephen Porteous
1080139930Tshwane (GTP)Personal
Main rating
| Rating | 1142.2 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1146.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1142.2 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1144.3 |
| 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 | 1146.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1144.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rapid 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 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Tshwane Chess Registration Tournament (D1) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1101.6 | 5 | 3.5 | 1402.4 | 0 | Details |
| 2 | 2025 Mzansi Individual Championships (U18 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1116 | 5 | 0 | 1107.4 | 0 | Details |
| 3 | 2025 Mzansi Inter Provincial Team Championships (U20 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1116 | 3 | 0 | 979 | 0 | Details |
| 4 | 2025 Etienne Lewis Closed Chess Tournament (U18) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1102 | 6 | 1 | 1175.3 | 0 | Details |
| 5 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1106.9 | 5 | 0 | 886 | 0 | Details |
| 6 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1111.9 | 5 | 1 | 1013.4 | 0 | Details |
| 7 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1055.4 | 4 | 0 | 879.1 | 0 | Details |
| 8 | 2024 Etienne Lewis (U18+U20) | Standard | 2024-08-30 | 2024-09-01 | Tshwane (GTP) | 7 | 1088.5 | 6 | 0 | 956 | 0 | Details |
| 9 | 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) | Standard | 2024-07-20 | 2024-07-20 | Tshwane (GTP) | 5 | 1122 | 5 | 1 | 943.2 | 0 | Details |
| 10 | District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) | Standard | 2024-05-06 | 2024-05-06 | Tshwane (GTP) | 5 | 1162.8 | 5 | 1 | 945 | 0 | Details |
| 11 | 2022 D3 Cluster City Schools (U15) | Standard | 2022-04-23 | 2022-04-23 | Tshwane (GTP) | 5 | 1200 | 4 | 1 | 963.2 | 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 | 5 |
| Wins | 3 |
| Draws | 1 |
| Losses | 1 |
| White | 3 |
| Black | 2 |
| White wins | 2 |
| Black wins | 1 |
| Score | 3.5 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1232.4 |
| Performance | 1402.4 |
Game statistics (History)
| Games | 53 |
| Wins | 8 |
| Draws | 1 |
| Losses | 44 |
| White | 25 |
| Black | 28 |
| White wins | 5 |
| Black wins | 3 |
| Score | 8.5 |
| Percent | 16 |
| Dp | -288.7 |
| AOR | 1318.5 |
| Performance | 1029.8 |
Rankings (Main)
| National | |
| Overall | 17520 |
| Gender | 13164 |
| Age group | 1916 |
| Gender/Age | 1523 |
| Provincial | |
| Overall | 5583 |
| Gender | 4169 |
| Age group | 644 |
| Gender/Age | 502 |
| Regional | |
| Overall | 1668 |
| Gender | 1254 |
| Age group | 176 |
| Gender/Age | 136 |
Rankings (Standard)
| National | |
| Overall | 13000 |
| Gender | 9740 |
| Age group | 1446 |
| Gender/Age | 1144 |
| Provincial | |
| Overall | 4523 |
| Gender | 3357 |
| Age group | 491 |
| Gender/Age | 383 |
| Regional | |
| Overall | 1578 |
| Gender | 1186 |
| Age group | 163 |
| Gender/Age | 128 |
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 | 5 |
| Score | 3.5 |
| Percent | 70 |
| Aor | 1232.4 |
| Dp | 170 |
| Prat | 1402.4 |
Performance (12 months)
| Games | 29 |
| Score | 5.5 |
| Percent | 19 |
| Aor | 1368.4 |
| Dp | -263.8 |
| Prat | 1104.6 |
Performance (History)
| Games | 53 |
| Score | 8.5 |
| Percent | 16 |
| Aor | 1318.5 |
| Dp | -288.7 |
| Prat | 1029.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Makhubela, K (Kamogelo) | 2 | 0 | 2 | District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) | 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) | Details |
| Overall | 2 | Stolp, T (Tiaan) | 2 | 1 | 1 | 2024 Etienne Lewis (U18+U20) | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) | Details |
| Standard | 1 | Makhubela, K (Kamogelo) | 2 | 0 | 2 | District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) | 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) | Details |
| Standard | 2 | Stolp, T (Tiaan) | 2 | 1 | 1 | 2024 Etienne Lewis (U18+U20) | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) | Details |
