PLAYER PAGE
Personal
Nyumbeka, D (Dia-Sozo)
Chess SA id
1080307041FIDE id
?Date of birth
2008-08-01 (U18)Gender
MaleRegion
Buffalo City (EBC)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-05-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Raw rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Weighted rating | 1239.8 | 1247.1 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 767.9 | 780.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 150.5 | 147.9 | 165.8 | 165.8 |
| Highest rating | 1328.82024-08-01 | 1323.42024-08-01 | 12002024-10-01 | 12002024-10-01 |
| Highest raw rating | 1267.92025-07-01 | 1280.42025-07-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted rating | 1267.92024-10-01 | 1280.42024-10-01 | 12002024-10-01 | 12002024-10-01 |
| Highest weighted performance | 1328.82024-08-01 | 1323.42024-08-01 | 12002024-10-01 | 12002024-10-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Raw rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Weighted rating | 1239.8 | 1247.1 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 767.9 | 780.4 | 700 | 700 |
| Max/Min rating change allowed | 150.5 | 147.9 | 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 | 1267.9 | 1280.4 | 1200 | 1200 |
| New weighted rating | 1243.1 | 1251 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1267.9 | 1280.4 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1267.9 | 1280.4 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 767.9 | 780.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 14 | 14 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 18 | 18 | 0 | 0 |
| Games since | |||||||||||||||||
| Main18 | Standard18 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Buffalo City (EBC) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| 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 | 4 | 3 | 75 | 212.5 | 1288.6 | 1501.1 |
| Standard | 4 | 3 | 75 | 212.5 | 1288.6 | 1501.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 18 | 11 | 61.11 | 94.4 | 1228.9 | 1323.4 |
| Standard | 18 | 11 | 61.11 | 94.4 | 1228.9 | 1323.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1267.9 | 1280.4 | 1200 | 1200 |
| 2025-09-30 | 1267.9 | 1280.4 | 1200 | 1200 |
| 2025-09-01 | 1267.9 | 1280.4 | 1200 | 1200 |
| 2025-08-01 | 1267.9 | 1280.4 | 1200 | 1200 |
| 2025-07-01 | 1267.9 | 1280.4 | 1200 | 1200 |
| 2025-06-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2025-05-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2025-04-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2025-03-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2025-02-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2025-01-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2024-12-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2024-11-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2024-10-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2024-09-01 | 1229.9 | 1235.5 | 1200 | 1200 |
| 2024-08-01 | 1214.6 | 1216.8 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2nd Vikings Classical 2025 (B) | 2025-05-24 | 2025-05-24 | Standard | Buffalo City (EBC) | 5 | 4 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2nd Vikings Classical 2025 (B) | 2025-05-24 | 2025-05-24 | Standard | Buffalo City (EBC) | 5 | 4 | 3 | Yes | Analysis |
| 2 | 5th BC Trials 2024 (HS B) | 2024-08-24 | 2024-08-24 | Standard | Buffalo City (EBC) | 5 | 4 | 3 | Yes | Analysis |
| 3 | Hackers Open 2024 (C) | 2024-08-10 | 2024-08-10 | Standard | Buffalo City (EBC) | 5 | 5 | 2 | Yes | Analysis |
| 4 | BC 4th HS Trials 204 (B) | 2024-07-20 | 2024-07-20 | Standard | Buffalo City (EBC) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament5th BC Trials 2024 | Tournament2nd Vikings Classical 2025 | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd2 | typeStandard | result1 | ||
| OpponentJaxa, T (Thozama) | OpponentCanham, E (Ethan) | ||||||||
| 2 | 3 | TournamentBC 4th HS Trials 204 | TournamentHackers Open 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-08-10 | rnd2 | typeStandard | result1 | ||
| OpponentDyantyi, A (Aviwe) | OpponentNgubelanga, T (Thembinkosi) | ||||||||
| 3 | 2 | Tournament2nd Vikings Classical 2025 | Tournament2nd Vikings Classical 2025 | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentSigwela, A (Ayama) | OpponentSiyolise, N (Norman) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament5th BC Trials 2024 | Tournament2nd Vikings Classical 2025 | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd2 | typeStandard | result1 | ||
| OpponentJaxa, T (Thozama) | OpponentCanham, E (Ethan) | ||||||||
| 2 | 3 | TournamentBC 4th HS Trials 204 | TournamentHackers Open 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-08-10 | rnd2 | typeStandard | result1 | ||
| OpponentDyantyi, A (Aviwe) | OpponentNgubelanga, T (Thembinkosi) | ||||||||
| 3 | 2 | Tournament2nd Vikings Classical 2025 | Tournament2nd Vikings Classical 2025 | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentSigwela, A (Ayama) | OpponentSiyolise, N (Norman) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament5th BC Trials 2024 | Tournament2nd Vikings Classical 2025 | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd2 | typeStandard | result1 | ||
| OpponentJaxa, T (Thozama) | OpponentCanham, E (Ethan) | ||||||||
| 2 | 3 | TournamentBC 4th HS Trials 204 | TournamentHackers Open 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-08-10 | rnd2 | typeStandard | result1 | ||
| OpponentDyantyi, A (Aviwe) | OpponentNgubelanga, T (Thembinkosi) | ||||||||
| 3 | 2 | Tournament2nd Vikings Classical 2025 | Tournament2nd Vikings Classical 2025 | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentSigwela, A (Ayama) | OpponentSiyolise, N (Norman) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament5th BC Trials 2024 | Tournament2nd Vikings Classical 2025 | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd2 | typeStandard | result1 | ||
| OpponentJaxa, T (Thozama) | OpponentCanham, E (Ethan) | ||||||||
| 2 | 3 | TournamentBC 4th HS Trials 204 | TournamentHackers Open 2024 | ||||||
| date2024-07-20 | rnd5 | typeStandard | result1 | date2024-08-10 | rnd2 | typeStandard | result1 | ||
| OpponentDyantyi, A (Aviwe) | OpponentNgubelanga, T (Thembinkosi) | ||||||||
| 3 | 2 | Tournament2nd Vikings Classical 2025 | Tournament2nd Vikings Classical 2025 | ||||||
| date2025-05-24 | rnd4 | typeStandard | result1 | date2025-05-24 | rnd5 | typeStandard | result1 | ||
| OpponentSigwela, A (Ayama) | OpponentSiyolise, N (Norman) | ||||||||
| # | 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 | Kafile ,A (Alwaba) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mafanya ,A (Achuma) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1260.8 | 835.8 | 1272.4 | 835.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Magqo ,Z (Zingce) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1273.7 | 1698.7 | 1290.1 | 1698.7 | 0 | 0 | 0 | 0 | ||||||
| 4 | Canham ,E (Ethan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1421.7 | 1846.7 | 1422.7 | 1846.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mbuqe ,M (Milani) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1196.7 | 771.7 | 1195.2 | 771.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Attepor ,D (Damien) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Xu ,Z (Zheyi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1278.3 | 853.3 | 1254.6 | 853.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kasa ,K (Konke) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1160.5 | 735.5 | 1153.6 | 735.5 | 0 | 0 | 0 | 0 | ||||||
| 9 | Gege ,O (Ohluma) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Coetzee ,T (Tristan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1400 | 1825 | 1363.7 | 1825 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

