PLAYER PAGE
Personal
Porteous, S (Stephen)
Chess SA id
1080139930FIDE id
?Date of birth
2008-10-07 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-10Personal details last changed
1900-01-01Junior GPX Games
20Junior GPX Points
1016.3| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1116 | 1106.5 | 1200 | 1200 |
| Raw rating | 1116 | 1106.5 | 1200 | 1200 |
| Weighted rating | 1104.5 | 1092.6 | 1200 | 1200 |
| Weighted performance | 959.9 | 956.3 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 186.9 | 189.4 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1116 | 1106.5 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1116 | 1106.5 | 1200 | 1200 |
| Raw rating | 1116 | 1106.5 | 1200 | 1200 |
| Weighted rating | 1104.5 | 1092.6 | 1200 | |
| Weighted performance | 959.9 | 956.3 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 186.9 | 189.4 | 165.8 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1116 | 1106.5 | 1200 | 1200 |
| New weighted rating | 1104.7 | 1092.9 | 1200 | 1200 |
| New weighted performance | 954 | 950.4 | 0 | 0 |
| Temp new rating | 1116 | 1106.5 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1116 | 1106.5 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 20 | 20 | 0 | 0 | |
| 16 | 16 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 40 | 40 | 0 | 0 |
| Games since | |||||||||||||||||
| Main36 | Standard36 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4447 | 1583 | 606 | ||||||||||||||
| Male | 3249 | 1178 | 450 | ||||||||||||||
| U18 | 657 | 244 | 89 | ||||||||||||||
| U18 Male | 516 | 191 | 74 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 20 | 2 | 10 | -340 | 1343.2 | 1003.2 |
| Standard | 20 | 2 | 10 | -340 | 1343.2 | 1003.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 40 | 5 | 12.5 | -318.8 | 1296.1 | 977.4 |
| Standard | 40 | 5 | 12.5 | -318.8 | 1296.1 | 977.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1116 | 1106.5 | 1200 | 1200 |
| 2025-09-30 | 1116 | 1106.5 | 1200 | 1200 |
| 2025-09-01 | 1116 | 1106.5 | 1200 | 1200 |
| 2025-08-01 | 1102 | 1089.2 | 1200 | 1200 |
| 2025-07-01 | 1106.9 | 1094.9 | 1200 | 1200 |
| 2025-06-01 | 1106.9 | 1094.9 | 1200 | 1200 |
| 2025-05-01 | 1111.9 | 1100.5 | 1200 | 1200 |
| 2025-04-01 | 1111.9 | 1100.5 | 1200 | 1200 |
| 2025-03-01 | 1111.9 | 1100.5 | 1200 | 1200 |
| 2025-02-01 | 1107.8 | 1095.9 | 1200 | 1200 |
| 2025-01-01 | 1055.4 | 1040 | 1200 | 1200 |
| 2024-12-01 | 1055.4 | 1040 | 1200 | 1200 |
| 2024-11-01 | 1055.4 | 1040 | 1200 | 1200 |
| 2024-10-01 | 1055.4 | 1040 | 1200 | 1200 |
| 2024-09-01 | 1088.5 | 1070.8 | 1200 | 1200 |
| 2024-08-01 | 1088.5 | 1070.8 | 1200 | 1200 |
| 2024-07-01 | 1122 | 1108.8 | 1200 | 1200 |
| 2024-09-01 | 1122 | 1108.8 | 1200 | 1200 |
| 2024-05-01 | 1162.8 | 1157.2 | 1200 | 1200 |
| 2024-04-01 | 1162.8 | 1157.2 | 1200 | 1200 |
| 2024-03-01 | 1162.8 | 1157.2 | 1200 | 1200 |
| 2024-02-01 | 1162.8 | 1157.2 | 1200 | 1200 |
| 2024-01-01 | 1162.8 | 1157.2 | 1200 | 1200 |
| 2023-12-01 | 1162.8 | 1157.2 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Etienne Lewis Closed Chess Tournament (U18) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 6 | 1 | Yes | Analysis |
| 2 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) | 2025-07-26 | 2025-07-26 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 3 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 4 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Etienne Lewis Closed Chess Tournament (U18) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 6 | 1 | Yes | Analysis |
| 2 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) | 2025-07-26 | 2025-07-26 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 3 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 4 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 5 | 2024 Etienne Lewis (U18+U20) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 6 | 0 | Yes | Analysis |
| 6 | 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) | 2024-07-20 | 2024-07-20 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 7 | District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) | 2024-05-06 | 2024-05-06 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 8 | 2022 D3 Cluster City Schools (U15) | 2022-04-23 | 2022-04-23 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd5 | typeStandard | result1 | date2025-08-10 | rnd5 | typeStandard | result1 | ||
| OpponentJordaan, L (Larochelle) | OpponentJordaan, L (Larochelle) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd2 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentModibedi, S (Seabello) | OpponentModibedi, S (Seabello) | ||||||||
| 3 | 1 | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentGaompotse, J (Justin) | OpponentGaompotse, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd5 | typeStandard | result1 | date2025-08-10 | rnd5 | typeStandard | result1 | ||
| OpponentJordaan, L (Larochelle) | OpponentJordaan, L (Larochelle) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd2 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentModibedi, S (Seabello) | OpponentModibedi, S (Seabello) | ||||||||
| 3 | 1 | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentGaompotse, J (Justin) | OpponentGaompotse, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd5 | typeStandard | result1 | date2025-08-10 | rnd5 | typeStandard | result1 | ||
| OpponentJordaan, L (Larochelle) | OpponentJordaan, L (Larochelle) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd2 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentModibedi, S (Seabello) | OpponentModibedi, S (Seabello) | ||||||||
| 3 | 1 | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentGaompotse, J (Justin) | OpponentGaompotse, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd5 | typeStandard | result1 | date2025-08-10 | rnd5 | typeStandard | result1 | ||
| OpponentJordaan, L (Larochelle) | OpponentJordaan, L (Larochelle) | ||||||||
| 2 | 1 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | Tournament2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 | ||||||
| date2025-05-10 | rnd2 | typeStandard | result1 | date2025-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentModibedi, S (Seabello) | OpponentModibedi, S (Seabello) | ||||||||
| 3 | 1 | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | Tournament2024 Tshwane North School District Cluster 4 & 5 Team League | ||||||
| date2024-07-20 | rnd4 | typeStandard | result1 | date2024-07-20 | rnd4 | typeStandard | result1 | ||
| OpponentGaompotse, J (Justin) | OpponentGaompotse, J (Justin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Stolp ,T (Tiaan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1385.8 | 960.8 | 1377.4 | 960.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Makhubela ,K (Kamogelo) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1189.6 | 764.6 | 1187 | 764.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Ligthelm ,H (Henko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1431.8 | 1006.8 | 1433.3 | 1006.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Maswanganye ,M (Muhluri) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Loubser ,LA (Lilliene) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1307.9 | 882.9 | 1299.4 | 882.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Kruger ,S (Stefan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.1 | 742.1 | 1160.4 | 742.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Seitei ,N (Neo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1426.8 | 1001.8 | 1410.7 | 1001.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Tshirado ,P (Phenyo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Matsioloko ,O (Osega) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1424.7 | 999.7 | 1419.4 | 999.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Macheke ,N (Nkateko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1285.4 | 860.4 | 1300.8 | 860.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|