PLAYER PAGE
Personal
Herbert, S (Sebastiaan)
Chess SA id
1080138642FIDE id
?Date of birth
2008-10-06 (U18)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-18Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Raw rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Weighted rating | 1187.5 | 1200.6 | 1145.2 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 707.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 166.9 | 164 | 179.3 | 165.8 |
| Highest rating | 12002018-10-01 | 1207.62025-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002020-01-01 | 1207.62025-11-01 | 12002020-01-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 1200.62025-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 12002024-02-01 | 12002020-01-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Analysis | ||||
| Rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Raw rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Weighted rating | 1187.5 | 1200.6 | 1145.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 707.6 | 700 | 700 |
| Max/Min rating change allowed | 166.9 | 164 | 179.3 | 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 | 1195.5 | 1207.6 | 1145.2 | 1200 |
| New weighted rating | 1188.2 | 1201.2 | 1145.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1195.5 | 1207.6 | 1145.2 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 707.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 10 | 5 | 5 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 5 | 2.5 | 50 | 0 | 1244.4 | 1244.4 |
| Standard | 5 | 2.5 | 50 | 0 | 1244.4 | 1244.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 10 | 4.5 | 45 | -42.5 | 1214.4 | 1171.9 |
| Standard | 5 | 2.5 | 50 | 0 | 1244.4 | 1244.4 |
| Rapid | 5 | 2 | 40 | -85 | 1184.5 | 1099.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1195.5 | 1207.6 | 1145.2 | 1200 |
| 2025-09-30 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-09-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-08-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-07-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-06-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-05-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-04-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-03-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-02-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2025-01-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-12-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-11-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-10-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-09-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-08-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-07-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-09-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-05-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-04-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-03-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-02-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2024-01-01 | 1186.8 | 1200 | 1145.2 | 1200 |
| 2023-12-01 | 1186.8 | 1200 | 1145.2 | 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 | Paarl Boys' High School Chess Festival 2025 (C) | 2025-10-17 | 2025-10-18 | Standard | Cape Winelands (WCW) | 6 | 5 | 2.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Paarl Boys' High School Chess Festival 2025 (C) | 2025-10-17 | 2025-10-18 | Standard | Cape Winelands (WCW) | 6 | 5 | 2.5 | Yes | Analysis |
| 2 | District North 2022 (U15) | 2022-03-06 | 2022-03-06 | Rapid | Cape Town (WCT) | 6 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentPaarl Boys' High School Chess Festival 2025 | TournamentPaarl Boys' High School Chess Festival 2025 | ||||||
| date2025-10-17 | rnd3 | typeStandard | result1 | date2025-10-18 | rnd6 | typeStandard | result1 | ||
| OpponentHammond-Aryee, Z (Zaffery) | OpponentJacobs, I (Inge) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd6 | typeRapid | result1 | date2022-03-06 | rnd6 | typeRapid | result1 | ||
| OpponentPaulse, D (Dante) | OpponentPaulse, D (Dante) | ||||||||
| 3 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd3 | typeRapid | result1 | date2022-03-06 | rnd3 | typeRapid | result1 | ||
| OpponentRoed, J (Joel) | OpponentRoed, J (Joel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd6 | typeRapid | result1 | date2022-03-06 | rnd6 | typeRapid | result1 | ||
| OpponentPaulse, D (Dante) | OpponentPaulse, D (Dante) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd3 | typeRapid | result1 | date2022-03-06 | rnd3 | typeRapid | result1 | ||
| OpponentRoed, J (Joel) | OpponentRoed, J (Joel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd6 | typeRapid | result1 | date2022-03-06 | rnd6 | typeRapid | result1 | ||
| OpponentPaulse, D (Dante) | OpponentPaulse, D (Dante) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd3 | typeRapid | result1 | date2022-03-06 | rnd3 | typeRapid | result1 | ||
| OpponentRoed, J (Joel) | OpponentRoed, J (Joel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd6 | typeRapid | result1 | date2022-03-06 | rnd6 | typeRapid | result1 | ||
| OpponentPaulse, D (Dante) | OpponentPaulse, D (Dante) | ||||||||
| 2 | 1 | TournamentDistrict North 2022 | TournamentDistrict North 2022 | ||||||
| date2022-03-06 | rnd3 | typeRapid | result1 | date2022-03-06 | rnd3 | typeRapid | result1 | ||
| OpponentRoed, J (Joel) | OpponentRoed, J (Joel) | ||||||||
| # | 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 | Hammond-Aryee ,Z (Zaffery) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1197.6 | 1622.6 | 1200 | 1622.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Gilfillan ,C (Caiden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200.5 | 775.5 | 1199.8 | 775.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Jacobs ,I (Inge) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1344.1 | 1769.1 | 1347.2 | 1769.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Pengele ,M (Mboyo Belesi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1276.5 | 851.5 | 1268.4 | 851.5 | 0 | 0 | 0 | 0 | ||||||
| 5 | Schepers ,D (Deegan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1203.2 | 1203.2 | 1204.7 | 1203.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Roed ,J (Joel) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1199.5 | 1624.5 | 0 | 0 | 1200 | 1624.5 | 0 | 0 | ||||||
| 7 | Paulse ,D (Dante) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1143.6 | 1568.6 | 0 | 0 | 1200 | 1568.6 | 0 | 0 | ||||||
| 8 | Sihamba ,S (Somila) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1298.5 | 873.5 | 0 | 0 | 658 | 873.5 | 0 | 0 | ||||||
| 9 | Warrington ,T (Tristan) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 10 | Strydom ,S (Stefan) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1081.1 | 656.1 | 0 | 0 | 811 | 656.1 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

