PLAYER PAGE
Personal
Nkosi, S (Siyabonga)
Chess SA id
1080097894FIDE id
?Date of birth
2008-08-28 (U18)Gender
MaleRegion
Ehlanzeni (MEN)Citizen
RSATitles
Chess SA registered
NoLast active game
2018-07-28Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1083 | 1067.6 | 1200 | 1200 |
| Raw rating | 1083 | 1067.6 | 1200 | 1200 |
| Weighted rating | 1083 | 1067.6 | 1200 | 1200 |
| Weighted performance | 80.6 | 80.1 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 195.9 | 200.2 | 165.8 | 165.8 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1083 | 1067.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1083 | 1067.6 | 1200 | 1200 |
| Raw rating | 1083 | 1067.6 | 1200 | 1200 |
| Weighted rating | 1083 | 1067.6 | 1200 | |
| Weighted performance | 80.6 | 80.1 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 195.9 | 200.2 | 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 | 1083 | 1067.6 | 1200 | 1200 |
| New weighted rating | 1083 | 1067.6 | 1200 | 1200 |
| New weighted performance | 74.6 | 74.1 | 0 | 0 |
| Temp new rating | 1083 | 1067.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1083 | 1067.6 | 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 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 23 | 23 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Ehlanzeni (MEN) | ||||||||||||||||
| Province | Mpumalanga (MP) | ||||||||||||||||
| 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 | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| 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 | 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 | 23 | 10 | 43.48 | -55.4 | 1045.6 | 990.2 |
| Standard | 23 | 10 | 43.48 | -55.4 | 1045.6 | 990.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-09-30 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-09-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-08-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-07-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-06-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-05-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-04-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-03-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-02-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2025-01-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-12-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-11-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-10-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-09-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-08-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-07-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-09-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-05-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-04-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-03-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-02-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2024-01-01 | 1083 | 1067.6 | 1200 | 1200 |
| 2023-12-01 | 1083 | 1067.6 | 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 | Malelane Primary 2018 (U14 Open) | 2018-07-21 | 2018-07-21 | Standard | Ehlanzeni (MEN) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Lowveld Open 2018 (E) | 2018-07-28 | 2018-07-28 | Standard | Ehlanzeni (MEN) | 5 | 5 | 4 | Yes | Analysis |
| 3 | Curro Age Open 2018 (U14 Open) | 2018-05-12 | 2018-05-12 | Standard | Ehlanzeni (MEN) | 5 | 4 | 1 | Yes | Analysis |
| 4 | Uplands College Open (C) | 2018-03-03 | 2018-03-03 | Standard | Ehlanzeni (MEN) | 5 | 4 | 0 | Yes | Analysis |
| 5 | BCM Open 2018 (C) | 2018-03-24 | 2018-03-24 | Standard | Ehlanzeni (MEN) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMalelane Primary 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd3 | typeStandard | result1 | ||
| OpponentSpreeth, R (Rymert) | OpponentPark, K (Katy) | ||||||||
| 2 | 3 | TournamentBCM Open 2018 | TournamentBCM Open 2018 | ||||||
| date2018-03-24 | rnd2 | typeStandard | result1 | date2018-03-24 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, L (Lubanzi) | OpponentNkademeng, N (Neo) | ||||||||
| 3 | 1 | TournamentLowveld Open 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-28 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd5 | typeStandard | result1 | ||
| OpponentSteyn, C (Christopher) | OpponentSteyn, C (Christopher) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMalelane Primary 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd3 | typeStandard | result1 | ||
| OpponentSpreeth, R (Rymert) | OpponentPark, K (Katy) | ||||||||
| 2 | 3 | TournamentBCM Open 2018 | TournamentBCM Open 2018 | ||||||
| date2018-03-24 | rnd2 | typeStandard | result1 | date2018-03-24 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, L (Lubanzi) | OpponentNkademeng, N (Neo) | ||||||||
| 3 | 1 | TournamentLowveld Open 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-28 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd5 | typeStandard | result1 | ||
| OpponentSteyn, C (Christopher) | OpponentSteyn, C (Christopher) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMalelane Primary 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd3 | typeStandard | result1 | ||
| OpponentSpreeth, R (Rymert) | OpponentPark, K (Katy) | ||||||||
| 2 | 3 | TournamentBCM Open 2018 | TournamentBCM Open 2018 | ||||||
| date2018-03-24 | rnd2 | typeStandard | result1 | date2018-03-24 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, L (Lubanzi) | OpponentNkademeng, N (Neo) | ||||||||
| 3 | 1 | TournamentLowveld Open 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-28 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd5 | typeStandard | result1 | ||
| OpponentSteyn, C (Christopher) | OpponentSteyn, C (Christopher) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMalelane Primary 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd3 | typeStandard | result1 | ||
| OpponentSpreeth, R (Rymert) | OpponentPark, K (Katy) | ||||||||
| 2 | 3 | TournamentBCM Open 2018 | TournamentBCM Open 2018 | ||||||
| date2018-03-24 | rnd2 | typeStandard | result1 | date2018-03-24 | rnd4 | typeStandard | result1 | ||
| OpponentShabangu, L (Lubanzi) | OpponentNkademeng, N (Neo) | ||||||||
| 3 | 1 | TournamentLowveld Open 2018 | TournamentLowveld Open 2018 | ||||||
| date2018-07-28 | rnd5 | typeStandard | result1 | date2018-07-28 | rnd5 | typeStandard | result1 | ||
| OpponentSteyn, C (Christopher) | OpponentSteyn, C (Christopher) | ||||||||
| # | 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 | Germeshuysen ,D (Dian) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1112.7 | 1112.7 | 1100.4 | 1112.7 | 0 | 0 | 0 | 0 | ||||||
| 2 | Spreeth ,R (Rymert) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 516.1 | 941.1 | 522.4 | 941.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Jardim ,R (Raphael) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 503.6 | 78.6 | 503.6 | 78.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Scheepers ,O (Olivia) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Shabangu ,L (Lubanzi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Botha ,J (Jc) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1138.8 | 1563.8 | 1128 | 1563.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Erasmus ,J (Jannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Van Wyk ,A (Armand) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 856.2 | 431.2 | 859 | 431.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mabasa ,N (Nkateko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1101.6 | 676.6 | 1085.2 | 676.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Steyn ,C (Christopher) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1106.9 | 1531.9 | 1088 | 1531.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

