PLAYER PAGE
Personal
Nkosana, S (Sihle)
Chess SA id
1100311679FIDE id
?Date of birth
2010-01-05 (U16)Gender
MaleRegion
Mangaung (FMB)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-09-28Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Raw rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Weighted rating | 1189.7 | 1187.4 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.9 | 168.4 | 165.8 | 165.8 |
| Highest rating | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 |
| Highest raw rating | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 |
| Highest weighted rating | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 | 12002024-09-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-09-01 | 12002024-09-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Raw rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Weighted rating | 1189.7 | 1187.4 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 167.9 | 168.4 | 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 | 1191.1 | 1189.2 | 1200 | 1200 |
| New weighted rating | 1189.7 | 1187.4 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1191.1 | 1189.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1191.1 | 1189.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 7 | 7 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 7 | 7 | 0 | 0 |
| Games since | |||||||||||||||||
| Main7 | Standard7 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Mangaung (FMB) | ||||||||||||||||
| Province | Free State (FS) | ||||||||||||||||
| 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 | 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 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 7 | 1.5 | 21.43 | -242.9 | 1357.2 | 1114.3 |
| Standard | 7 | 1.5 | 21.43 | -242.9 | 1357.2 | 1114.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-09-30 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-09-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-08-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-07-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-06-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-05-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-04-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-03-01 | 1191.1 | 1189.2 | 1200 | 1200 |
| 2025-02-01 | 1190.2 | 1188 | 1200 | 1200 |
| 2025-01-01 | 1173.2 | 1167.2 | 1200 | 1200 |
| 2024-12-01 | 1173.2 | 1167.2 | 1200 | 1200 |
| 2024-11-01 | 1173.2 | 1167.2 | 1200 | 1200 |
| 2024-10-01 | 1173.2 | 1167.2 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2024 South Africa National Schools Chess Championship (U15 Boys) | 2024-09-27 | 2024-09-28 | Standard | Nelson Mandela Bay (ENM) | 7 | 7 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-28 | rnd7 | typeStandard | result0.5 | date2024-09-28 | rnd7 | typeStandard | result0.5 | ||
| OpponentIglesias Giannantonio, M (Mario) | OpponentIglesias Giannantonio, M (Mario) | ||||||||
| 2 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-27 | rnd1 | typeStandard | result1 | date2024-09-27 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, D (Devan) | OpponentVan Der Merwe, D (Devan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-28 | rnd7 | typeStandard | result0.5 | date2024-09-28 | rnd7 | typeStandard | result0.5 | ||
| OpponentIglesias Giannantonio, M (Mario) | OpponentIglesias Giannantonio, M (Mario) | ||||||||
| 2 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-27 | rnd1 | typeStandard | result1 | date2024-09-27 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, D (Devan) | OpponentVan Der Merwe, D (Devan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-27 | rnd1 | typeStandard | result1 | date2024-09-27 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, D (Devan) | OpponentVan Der Merwe, D (Devan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2024 South Africa National Schools Chess Championship | Tournament2024 South Africa National Schools Chess Championship | ||||||
| date2024-09-27 | rnd1 | typeStandard | result1 | date2024-09-27 | rnd1 | typeStandard | result1 | ||
| OpponentVan Der Merwe, D (Devan) | OpponentVan Der Merwe, D (Devan) | ||||||||
| # | 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 | Sehole ,K (Keaotshepa) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1278.6 | 853.6 | 1248 | 853.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Van Der Merwe ,D (Devan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1410.4 | 1835.4 | 1412.5 | 1835.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Subramoney ,R (Riaan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1390.8 | 965.8 | 1375.1 | 965.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mokwa ,O (Omolemo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1354.6 | 929.6 | 1357.5 | 929.6 | 0 | 0 | 0 | 0 | ||||||
| 5 | Coka ,A (Andile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Iglesias Giannantonio ,M (Mario) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1305 | 1305 | 1298.9 | 1305 | 0 | 0 | 0 | 0 | ||||||
| 7 | Van Rooyen ,A (Andre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1561.1 | 1136.1 | 1560.7 | 1136.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

