PLAYER PAGE
Personal
Dumasi, N (Nceba)
Chess SA id
102087698FIDE id
?Date of birth
2002-04-26 (Adult)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-04-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Raw rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Weighted rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Weighted performance | 221.2 | 220.5 | 0 | 0 |
| Floor | 808.8 | 804.7 | 500 | 500 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 142 | 142.8 | 272.5 | 272.5 |
| Highest rating | 1322.52019-04-01 | 1318.42019-04-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1308.82024-02-01 | 1304.72024-02-01 | 851.22024-02-01 | 851.22024-02-01 |
| Highest weighted rating | 1308.82025-02-01 | 1304.72024-02-01 | 851.22024-11-01 | 851.22024-11-01 |
| Highest weighted performance | 1322.52019-04-01 | 1318.42019-04-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Analysis | ||||
| Rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Raw rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Weighted rating | 1308.8 | 1304.7 | 851.2 | |
| Weighted performance | 221.2 | 220.5 | 0 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 808.8 | 804.7 | 500 | 500 |
| Max/Min rating change allowed | 142 | 142.8 | 272.5 | 272.5 |
| 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 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| New weighted rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| New weighted performance | 213.4 | 212.7 | 0 | 0 |
| Temp new rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1308.8 | 1304.7 | 851.2 | 851.2 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 808.8 | 804.7 | 500 | 500 |
| 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 | 82 | 82 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 44 | 28.5 | 64.77 | 125.6 | 1087.9 | 1213.4 |
| Standard | 44 | 28.5 | 64.77 | 125.6 | 1087.9 | 1213.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-09-30 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-09-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-08-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-07-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-06-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-05-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-04-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-03-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-02-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2025-01-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-12-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-11-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-10-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-09-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-08-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-07-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-09-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-05-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-04-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-03-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-02-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2024-01-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
| 2023-12-01 | 1308.8 | 1304.7 | 851.2 | 851.2 |
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 | 2019 Chris Greyling (B) | 2019-04-27 | 2019-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | 2019 Waterkloof Open (C) | 2019-03-02 | 2019-03-03 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 3 | Grey College Team Championship 2019 (B) | 2019-02-22 | 2019-02-23 | Standard | Mangaung (FMB) | 5 | 5 | 5 | Yes | Analysis |
| 4 | South African Junior Team Championships 2018 (U18B) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 5.5 | Yes | Analysis |
| 5 | 2018 Etienne Lewis Trials (U20) | 2018-08-31 | 2018-09-02 | Standard | Tshwane (GTP) | 7 | 6 | 2.5 | Yes | Analysis |
| 6 | 2018 Gauteng League Final (U17) | 2018-08-25 | 2018-08-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 7 | 2018 Tshwane Registration Open Chess Tournament (C) | 2018-01-27 | 2018-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 8 | South African Junior Team Championships 2017 (U16B) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 6 | 4.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentSouth African Junior Team Championships 2018 | Tournament2019 Waterkloof Open | ||||||
| date2018-12-17 | rnd4 | typeStandard | result1 | date2019-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBotha, A (Austen) | OpponentBowers, M (Mpho) | ||||||||
| 2 | 4 | TournamentSouth African Junior Team Championships 2017 | Tournament2018 Tshwane Registration Open Chess Tournament | ||||||
| date2018-01-07 | rnd6 | typeStandard | result1 | date2018-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentWoest, M (Megan) | OpponentJonas, LF (Lesedi) | ||||||||
| 3 | 3 | Tournament2018 Etienne Lewis Trials | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-12-16 | rnd2 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, N (Natasha) | OpponentTselapedi, K (Katlego) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentSouth African Junior Team Championships 2018 | Tournament2019 Waterkloof Open | ||||||
| date2018-12-17 | rnd4 | typeStandard | result1 | date2019-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentBotha, A (Austen) | OpponentBowers, M (Mpho) | ||||||||
| 2 | 4 | TournamentSouth African Junior Team Championships 2017 | Tournament2018 Tshwane Registration Open Chess Tournament | ||||||
| date2018-01-07 | rnd6 | typeStandard | result1 | date2018-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentWoest, M (Megan) | OpponentJonas, LF (Lesedi) | ||||||||
| 3 | 3 | Tournament2018 Etienne Lewis Trials | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-12-16 | rnd2 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, N (Natasha) | OpponentTselapedi, K (Katlego) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentSouth African Junior Team Championships 2018 | Tournament2019 Waterkloof Open | ||||||
| date2018-12-20 | rnd7 | typeStandard | result1 | date2019-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentGuneliev, AA (Andrey) | OpponentBowers, M (Mpho) | ||||||||
| 2 | 3 | Tournament2018 Etienne Lewis Trials | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-12-16 | rnd2 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, N (Natasha) | OpponentTselapedi, K (Katlego) | ||||||||
| 3 | 3 | TournamentSouth African Junior Team Championships 2017 | TournamentSouth African Junior Team Championships 2017 | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-01-05 | rnd4 | typeStandard | result1 | ||
| OpponentMabuse, K (Katlego) | OpponentPienaar, LH (Lelanie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentSouth African Junior Team Championships 2018 | Tournament2019 Waterkloof Open | ||||||
| date2018-12-20 | rnd7 | typeStandard | result1 | date2019-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentGuneliev, AA (Andrey) | OpponentBowers, M (Mpho) | ||||||||
| 2 | 3 | Tournament2018 Etienne Lewis Trials | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-09-02 | rnd6 | typeStandard | result1 | date2018-12-16 | rnd2 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, N (Natasha) | OpponentTselapedi, K (Katlego) | ||||||||
| 3 | 3 | TournamentSouth African Junior Team Championships 2017 | TournamentSouth African Junior Team Championships 2017 | ||||||
| date2018-01-04 | rnd1 | typeStandard | result1 | date2018-01-05 | rnd4 | typeStandard | result1 | ||
| OpponentMabuse, K (Katlego) | OpponentPienaar, LH (Lelanie) | ||||||||
| # | 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 | Amrouni ,G (Gabrielle) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1250.5 | 1038 | 1256.8 | 1038 | 0 | 0 | 0 | 0 | ||||||
| 2 | Odendaal ,MM (Mikhal Marcus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1107 | 682 | 1107 | 682 | 0 | 0 | 0 | 0 | ||||||
| 3 | Wasserman ,M (Meirin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1127.6 | 702.6 | 1124.1 | 702.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Woest ,M (Megan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 870.8 | 1295.8 | 870.8 | 1295.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Jonas ,LF (Lesedi Ferdinand) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1162.2 | 1587.2 | 1162.2 | 1587.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Jacobs ,A (Angelo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1126 | 1551 | 1118.5 | 1551 | 0 | 0 | 0 | 0 | ||||||
| 7 | Benson ,T (Troy) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 550.8 | 550.8 | 550.8 | 550.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Botha ,A (Austen) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 937.7 | 1362.7 | 934.9 | 1362.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Ziegenhagen ,V (Vian Luke) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1282.4 | 1707.4 | 1275.9 | 1707.4 | 0 | 0 | 0 | 0 | ||||||
| 10 | Stapelberg ,L (Luke) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 881.4 | 881.4 | 884.1 | 881.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

