PLAYER PAGE
Personal
Byman, D (Duran)
Chess SA id
193094438FIDE id
?Date of birth
1993-12-27 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-09-09Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Raw rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Weighted rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 179.2 | 183.7 | 168.5 | 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 | 12002019-12-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002019-12-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Analysis | ||||
| Rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Raw rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Weighted rating | 1145.5 | 1128 | 1188.8 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 179.2 | 183.7 | 168.5 | 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 | 1145.5 | 1128 | 1188.8 | 1200 |
| New weighted rating | 1145.5 | 1128 | 1188.8 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1145.5 | 1128 | 1188.8 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1145.5 | 1128 | 1188.8 | 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 | |
| 4 | 4 | 0 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 18 | 12 | 6 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 18 | 4.5 | 25 | -212.5 | 1327.5 | 1115 |
| Standard | 12 | 2 | 16.67 | -283.3 | 1347.6 | 1064.3 |
| Rapid | 6 | 2.5 | 41.67 | -70.8 | 1287.2 | 1216.4 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-09-30 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-09-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-08-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-07-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-06-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-05-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-04-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-03-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-02-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2025-01-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-12-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-11-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-10-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-09-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-08-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-07-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-09-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-05-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-04-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-03-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-02-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2024-01-01 | 1145.5 | 1128 | 1188.8 | 1200 |
| 2023-12-01 | 1145.5 | 1128 | 1188.8 | 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 | WP Club League 2023 (B) | 2023-07-29 | 2023-09-09 | Standard | Cape Town (WCT) | 11 | 4 | 1 | Yes | Analysis |
| 2 | Summer Slam 2022 (B) | 2022-12-13 | 2022-12-13 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
| 3 | 2019 Western Province League (B) | 2019-07-27 | 2019-09-07 | Standard | Cape Town (WCT) | 11 | 1 | 0 | Yes | Analysis |
| 4 | 2018 Western Province League (B) | 2018-08-04 | 2018-09-15 | Standard | Cape Town (WCT) | 11 | 7 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd3 | typeRapid | result1 | date2022-12-13 | rnd4 | typeRapid | result1 | ||
| OpponentPeters, V (Vanchasco) | OpponentAdams, I (Iegshaan) | ||||||||
| 2 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-05 | rnd3 | typeStandard | result1 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentNdlovu, A (Andile) | OpponentNdlovu, A (Andile) | ||||||||
| 3 | 1 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd1 | typeRapid | result0.5 | date2022-12-13 | rnd1 | typeRapid | result0.5 | ||
| OpponentMthi, Y (Yamkela) | OpponentMthi, Y (Yamkela) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-05 | rnd3 | typeStandard | result1 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentNdlovu, A (Andile) | OpponentNdlovu, A (Andile) | ||||||||
| 2 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentMaart, R (Ralton) | OpponentMaart, R (Ralton) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd3 | typeRapid | result1 | date2022-12-13 | rnd4 | typeRapid | result1 | ||
| OpponentPeters, V (Vanchasco) | OpponentAdams, I (Iegshaan) | ||||||||
| 2 | 1 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd1 | typeRapid | result0.5 | date2022-12-13 | rnd1 | typeRapid | result0.5 | ||
| OpponentMthi, Y (Yamkela) | OpponentMthi, Y (Yamkela) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd3 | typeRapid | result1 | date2022-12-13 | rnd4 | typeRapid | result1 | ||
| OpponentPeters, V (Vanchasco) | OpponentAdams, I (Iegshaan) | ||||||||
| 2 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-05 | rnd3 | typeStandard | result1 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentNdlovu, A (Andile) | OpponentNdlovu, A (Andile) | ||||||||
| 3 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentMaart, R (Ralton) | OpponentMaart, R (Ralton) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWP Club League 2023 | TournamentWP Club League 2023 | ||||||
| date2023-08-05 | rnd3 | typeStandard | result1 | date2023-08-05 | rnd3 | typeStandard | result1 | ||
| OpponentNdlovu, A (Andile) | OpponentNdlovu, A (Andile) | ||||||||
| 2 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-04 | rnd1 | typeStandard | result1 | date2018-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentMaart, R (Ralton) | OpponentMaart, R (Ralton) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSummer Slam 2022 | TournamentSummer Slam 2022 | ||||||
| date2022-12-13 | rnd3 | typeRapid | result1 | date2022-12-13 | rnd4 | typeRapid | result1 | ||
| OpponentPeters, V (Vanchasco) | OpponentAdams, I (Iegshaan) | ||||||||
| # | 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 | Styer ,G (Garth) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1224.1 | 799.1 | 1200 | 799.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Maart ,R (Ralton) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Frick ,J (Jacques) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1595.5 | 1170.5 | 1598.6 | 1170.5 | 0 | 0 | 0 | 0 | ||||||
| 4 | Lau ,C (Callum) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311.9 | 886.9 | 1262.7 | 886.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Williams ,DJ (Dale Justin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.2 | 773.2 | 1179.3 | 773.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Clarke ,N (Nathaniel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.1 | 782.1 | 1215 | 782.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ndlovu ,A (Andile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Wolff ,UH (Ulrich Helmut) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1388.3 | 963.3 | 1366.5 | 963.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Ariefdien ,D (Dominique) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.5 | 777.5 | 1206.9 | 777.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Baruch ,L (Liam) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1278.5 | 853.5 | 1282.3 | 853.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

