PLAYER PAGE
Personal
Ngubeni, S (Sthembiso)
Chess SA id
1110159674FIDE id
?Date of birth
2011-01-31 (U16)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-16Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1195.1 | 1194.8 | 1200 | 1200 |
| Raw rating | 1141.1 | 1130.1 | 1200 | 1200 |
| Weighted rating | 1195.1 | 1194.8 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 711 | 714.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 180.3 | 183.2 | 165.8 | 165.8 |
| Highest rating | 1240.92024-05-01 | 1239.12024-05-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12112024-06-01 | 1214.42024-06-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 12112018-10-01 | 1214.42018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1240.92024-05-01 | 1239.12024-05-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -4.1 | -4.9 | 0 | 0 |
| New rating | 1191 | 1190 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1195.1 | 1194.8 | 1200 | 1200 |
| Raw rating | 1141.1 | 1130.1 | 1200 | 1200 |
| Weighted rating | 1195.1 | 1194.8 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 711 | 714.4 | 700 | 700 |
| Max/Min rating change allowed | 180.3 | 183.2 | 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 | 1141.1 | 1130.1 | 1200 | 1200 |
| New weighted rating | 1191 | 1190 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1191 | 1190 | 1200 | 1200 |
| Temp new rating +/- | -4.1 | -4.9 | 0 | 0 |
| Final new rating +/- | -4.1 | -4.9 | 0 | 0 |
| New rating | 1191 | 1190 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 711 | 714.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 18 | 18 | 0 | 0 |
| Games since | |||||||||||||||||
| Main14 | Standard14 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 9 | 2 | 22.22 | -236.1 | 1228.1 | 992 |
| Standard | 9 | 2 | 22.22 | -236.1 | 1228.1 | 992 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 18 | 6.5 | 36.11 | -118.1 | 1224.4 | 1106.3 |
| Standard | 18 | 6.5 | 36.11 | -118.1 | 1224.4 | 1106.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1141.1 | 1130.1 | 1200 | 1200 |
| 2025-09-01 | 1141.1 | 1130.1 | 1200 | 1200 |
| 2025-08-01 | 1206.8 | 1208.1 | 1200 | 1200 |
| 2025-07-01 | 1206.8 | 1208.1 | 1200 | 1200 |
| 2025-06-01 | 1206.8 | 1208.1 | 1200 | 1200 |
| 2025-05-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2025-04-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2025-03-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2025-02-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2025-01-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-12-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-11-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-10-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-09-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-08-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-07-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-06-01 | 1211 | 1214.4 | 1200 | 1200 |
| 2024-08-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-04-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-03-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-02-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2024-01-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2023-12-01 | 1167.1 | 1160.4 | 1200 | 1200 |
| 2023-11-01 | 1167.1 | 1160.4 | 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 Gauteng North School District CLOSED League Finals - D1 (U15 Open) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 2 | 2025 Gauteng North School Individual Championships D1 (U15 Open) | 2025-05-17 | 2025-05-17 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng North School District CLOSED League Finals - D1 (U15 Open) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 2 | 2025 Gauteng North School Individual Championships D1 (U15 Open) | 2025-05-17 | 2025-05-17 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 3 | 2024 Gauteng North School District Individual Championships - D1 (U13 Boys) | 2024-05-11 | 2024-05-11 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | 2023 Gauteng North School District CLOSED League Championships (D1) | 2023-08-05 | 2023-08-05 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd3 | typeStandard | result0.5 | date2024-05-11 | rnd5 | typeStandard | result1 | ||
| OpponentMolelekoa, L (Lesego) | OpponentPhetla, M (Mogaladi) | ||||||||
| 2 | 2 | Tournament2025 Gauteng North School Individual Championships D1 | Tournament2025 Gauteng North School Individual Championships D1 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentMathebula, K (Kwetsima) | OpponentElsamadouny, Y (Yaseen) | ||||||||
| 3 | 1 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd1 | typeStandard | result1 | date2024-05-11 | rnd1 | typeStandard | result1 | ||
| OpponentMthethwa, Z (Ziyanda) | OpponentMthethwa, Z (Ziyanda) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd3 | typeStandard | result0.5 | date2024-05-11 | rnd5 | typeStandard | result1 | ||
| OpponentMolelekoa, L (Lesego) | OpponentPhetla, M (Mogaladi) | ||||||||
| 2 | 2 | Tournament2025 Gauteng North School Individual Championships D1 | Tournament2025 Gauteng North School Individual Championships D1 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentMathebula, K (Kwetsima) | OpponentElsamadouny, Y (Yaseen) | ||||||||
| 3 | 1 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd1 | typeStandard | result1 | date2024-05-11 | rnd1 | typeStandard | result1 | ||
| OpponentMthethwa, Z (Ziyanda) | OpponentMthethwa, Z (Ziyanda) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2025 Gauteng North School Individual Championships D1 | Tournament2025 Gauteng North School Individual Championships D1 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentMathebula, K (Kwetsima) | OpponentElsamadouny, Y (Yaseen) | ||||||||
| 2 | 2 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd4 | typeStandard | result1 | date2024-05-11 | rnd5 | typeStandard | result1 | ||
| OpponentNdlovu, S (Sibusiso) | OpponentPhetla, M (Mogaladi) | ||||||||
| 3 | 1 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd1 | typeStandard | result1 | date2024-05-11 | rnd1 | typeStandard | result1 | ||
| OpponentMthethwa, Z (Ziyanda) | OpponentMthethwa, Z (Ziyanda) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2025 Gauteng North School Individual Championships D1 | Tournament2025 Gauteng North School Individual Championships D1 | ||||||
| date2025-05-17 | rnd4 | typeStandard | result1 | date2025-05-17 | rnd5 | typeStandard | result1 | ||
| OpponentMathebula, K (Kwetsima) | OpponentElsamadouny, Y (Yaseen) | ||||||||
| 2 | 2 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd4 | typeStandard | result1 | date2024-05-11 | rnd5 | typeStandard | result1 | ||
| OpponentNdlovu, S (Sibusiso) | OpponentPhetla, M (Mogaladi) | ||||||||
| 3 | 1 | Tournament2024 Gauteng North School District Individual Championships - D1 | Tournament2024 Gauteng North School District Individual Championships - D1 | ||||||
| date2024-05-11 | rnd1 | typeStandard | result1 | date2024-05-11 | rnd1 | typeStandard | result1 | ||
| OpponentMthethwa, Z (Ziyanda) | OpponentMthethwa, Z (Ziyanda) | ||||||||
| # | 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 | Molelekoa ,L (Lesego) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 2 | Magolego ,P (Phetolo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1233.8 | 808.8 | 1240.4 | 808.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Monyemoratho ,L (Lucky Leffa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1308.2 | 883.2 | 1327.3 | 883.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Ndlovu ,S (Sibusiso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Manatha ,N (Nqobile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1401.4 | 976.4 | 1389.6 | 976.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mokwena ,N (Nkosinathi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.2 | 741.2 | 1160.4 | 741.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mahlangu ,M (Mohau) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1213.3 | 788.3 | 1215.6 | 788.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mafuna ,J (John (sibonelo)) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1217.9 | 792.9 | 1220.9 | 792.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Xwayi ,A (Abongile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1142.8 | 717.8 | 1133.7 | 717.8 | 0 | 0 | 0 | 0 | ||||||
| 10 | Machika ,L (Lihle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1431.7 | 1006.7 | 1446.1 | 1006.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|