PLAYER PAGE
Personal
Esterhuysen, S (Sebastian)
Chess SA id
1060162365FIDE id
?Date of birth
2006-08-10 (U20)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-09-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Raw rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Weighted rating | 1224.4 | 1190.7 | 1238.2 | 1186.9 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 824.3 | 800.4 | 738.2 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 138.9 | 143.7 | 157 | 168.9 |
| Highest rating | 1324.32025-11-01 | 1300.42025-11-01 | 1352.92023-11-01 | 12002018-10-01 |
| Highest raw rating | 1324.32025-11-01 | 1300.42025-11-01 | 1238.22024-03-01 | 12002019-12-01 |
| Highest weighted rating | 1235.52025-06-01 | 12002018-10-01 | 1237.82025-08-01 | 12002018-10-01 |
| Highest weighted performance | 1296.92023-11-01 | 12002019-12-01 | 1352.92023-11-01 | 12002019-12-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Analysis | ||||
| Rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Raw rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Weighted rating | 1224.4 | 1190.7 | 1238.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 824.3 | 800.4 | 738.2 | 700 |
| Max/Min rating change allowed | 138.9 | 143.7 | 157 | 168.9 |
| 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 | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| New weighted rating | 1232.6 | 1199.8 | 1238.2 | 1187 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 824.3 | 800.4 | 738.2 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 7 | 7 | 0 | 0 | |
| 3 | 3 | 0 | 0 | |
| 13 | 0 | 6 | 7 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 23 | 10 | 6 | 7 |
| Games since | |||||||||||||||||
| Main16 | Standard10 | Rapid6 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 7 | 6 | 85.71 | 303.6 | 1273.3 | 1576.8 |
| Standard | 7 | 6 | 85.71 | 303.6 | 1273.3 | 1576.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 23 | 14 | 60.87 | 92.4 | 1310.8 | 1403.2 |
| Standard | 10 | 7 | 70 | 170 | 1239 | 1409 |
| Rapid | 6 | 4 | 66.67 | 141.7 | 1246.4 | 1388.1 |
| Blitz | 7 | 3 | 42.86 | -60.7 | 1468.5 | 1407.8 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1324.3 | 1300.4 | 1238.2 | 1187.3 |
| 2025-09-30 | 1216.3 | 1183 | 1238.2 | 1187.3 |
| 2025-09-01 | 1216.3 | 1183 | 1238.2 | 1187.3 |
| 2025-08-01 | 1216.3 | 1183 | 1238.2 | 1187.3 |
| 2025-07-01 | 1216.3 | 1183 | 1238.2 | 1187.3 |
| 2025-06-01 | 1216.3 | 1183 | 1238.2 | 1187.3 |
| 2025-05-01 | 1216.2 | 1183 | 1238.2 | 1187.3 |
| 2025-04-01 | 1216.1 | 1183 | 1238.2 | 1187.3 |
| 2025-03-01 | 1216 | 1183 | 1238.2 | 1187.3 |
| 2025-02-01 | 1215.7 | 1183 | 1238.2 | 1187.3 |
| 2025-01-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-12-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-11-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-10-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-09-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-08-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-07-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-09-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-05-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-04-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-03-01 | 1213.7 | 1177 | 1238.2 | 1186.3 |
| 2024-02-01 | 1235.5 | 1200 | 1238.2 | 1186.3 |
| 2024-01-01 | 1235.5 | 1200 | 1238.2 | 1186.3 |
| 2023-12-01 | 1235.5 | 1200 | 1238.2 | 1186.3 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cape Town Chess Federation Club League 2025 (C) | 2025-07-26 | 2025-09-27 | Standard | Cape Town (WCT) | 11 | 1 | 1 | Yes | Analysis |
| 2 | Cape Town Chess Federation Club League 2025 (D) | 2025-07-26 | 2025-09-27 | Standard | Cape Town (WCT) | 11 | 6 | 5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cape Town Chess Federation Club League 2025 (C) | 2025-07-26 | 2025-09-27 | Standard | Cape Town (WCT) | 11 | 1 | 1 | Yes | Analysis |
| 2 | Cape Town Chess Federation Club League 2025 (D) | 2025-07-26 | 2025-09-27 | Standard | Cape Town (WCT) | 11 | 6 | 5 | Yes | Analysis |
| 3 | CT District East Schools Chess Individuals Trails 2024 (U18 Boys) | 2024-02-03 | 2024-02-03 | Standard | Cape Town (WCT) | 5 | 3 | 1 | Yes | Analysis |
| 4 | Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) | 2024-02-17 | 2024-02-17 | Rapid | Cape Winelands (WCW) | 6 | 0 | 0 | No | Analysis |
| 5 | Chas Everitt and MHI Attorneys Rapid 2023 (B) | 2023-11-04 | 2023-11-04 | Rapid | Cape Town (WCT) | 6 | 6 | 4 | Yes | Analysis |
| 6 | Western Cape Closed Championship 2023 (Blitz) | 2023-09-23 | 2023-09-25 | Blitz | Cape Town (WCT) | 7 | 7 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentCape Town Chess Federation Club League 2025 | TournamentCape Town Chess Federation Club League 2025 | ||||||
| date2025-09-13 | rnd8 | typeStandard | result1 | date2025-09-27 | rnd11 | typeStandard | result1 | ||
| OpponentPacifique, S (Shema) | OpponentBolton, NA (Naomi) | ||||||||
| 2 | 4 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2023-11-04 | rnd4 | typeRapid | result1 | date2024-02-03 | rnd1 | typeStandard | result1 | ||
| OpponentOsborne, R (Ryan Eugene) | OpponentKronci, N (Naseem) | ||||||||
| 3 | 3 | TournamentWestern Cape Closed Championship 2023 | TournamentWestern Cape Closed Championship 2023 | ||||||
| date2023-09-24 | rnd3 | typeBlitz | result1 | date2023-09-25 | rnd5 | typeBlitz | result1 | ||
| OpponentHlongwane, T (Tello) | OpponentMaruma, KB (Kamogelo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd1 | typeStandard | result1 | ||
| OpponentKronci, N (Naseem) | OpponentKronci, N (Naseem) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | ||||||
| date2023-11-04 | rnd4 | typeRapid | result1 | date2023-11-04 | rnd6 | typeRapid | result1 | ||
| OpponentOsborne, R (Ryan Eugene) | OpponentSolomon, WC (William) | ||||||||
| 2 | 1 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | ||||||
| date2023-11-04 | rnd1 | typeRapid | result1 | date2023-11-04 | rnd1 | typeRapid | result1 | ||
| OpponentFurmie, M (Monty) | OpponentFurmie, M (Monty) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentWestern Cape Closed Championship 2023 | TournamentWestern Cape Closed Championship 2023 | ||||||
| date2023-09-24 | rnd3 | typeBlitz | result1 | date2023-09-25 | rnd5 | typeBlitz | result1 | ||
| OpponentHlongwane, T (Tello) | OpponentMaruma, KB (Kamogelo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2023-11-04 | rnd4 | typeRapid | result1 | date2024-02-03 | rnd1 | typeStandard | result1 | ||
| OpponentOsborne, R (Ryan Eugene) | OpponentKronci, N (Naseem) | ||||||||
| 2 | 3 | TournamentWestern Cape Closed Championship 2023 | TournamentWestern Cape Closed Championship 2023 | ||||||
| date2023-09-24 | rnd3 | typeBlitz | result1 | date2023-09-25 | rnd5 | typeBlitz | result1 | ||
| OpponentHlongwane, T (Tello) | OpponentMaruma, KB (Kamogelo) | ||||||||
| 3 | 1 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | ||||||
| date2023-11-04 | rnd1 | typeRapid | result1 | date2023-11-04 | rnd1 | typeRapid | result1 | ||
| OpponentFurmie, M (Monty) | OpponentFurmie, M (Monty) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCT District East Schools Chess Individuals Trails 2024 | TournamentCT District East Schools Chess Individuals Trails 2024 | ||||||
| date2024-02-03 | rnd1 | typeStandard | result1 | date2024-02-03 | rnd1 | typeStandard | result1 | ||
| OpponentKronci, N (Naseem) | OpponentKronci, N (Naseem) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | ||||||
| date2023-11-04 | rnd4 | typeRapid | result1 | date2023-11-04 | rnd6 | typeRapid | result1 | ||
| OpponentOsborne, R (Ryan Eugene) | OpponentSolomon, WC (William) | ||||||||
| 2 | 1 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | TournamentChas Everitt and MHI Attorneys Rapid 2023 | ||||||
| date2023-11-04 | rnd1 | typeRapid | result1 | date2023-11-04 | rnd1 | typeRapid | result1 | ||
| OpponentFurmie, M (Monty) | OpponentFurmie, M (Monty) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentWestern Cape Closed Championship 2023 | TournamentWestern Cape Closed Championship 2023 | ||||||
| date2023-09-24 | rnd3 | typeBlitz | result1 | date2023-09-25 | rnd5 | typeBlitz | result1 | ||
| OpponentHlongwane, T (Tello) | OpponentMaruma, KB (Kamogelo) | ||||||||
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 | Pacifique ,S (Shema) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.9 | 1624.9 | 1200 | 1624.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Bolton ,NA (Naomi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1378.9 | 1803.9 | 1374.1 | 1803.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Du Toit ,A (Andre) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kronci ,N (Naseem) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1173.4 | 1598.4 | 1163.2 | 1598.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Titus ,T (Tennswill) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.8 | 742.8 | 1158.4 | 742.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mkabile ,O (Olwethu) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1203 | 1628 | 1199.6 | 1628 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mputshenge ,A (Athembele) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1135.6 | 710.6 | 1125.6 | 710.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nonkonyana ,M (Mveleli) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Kwangwini ,M (Milani) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.7 | 774.7 | 1199.7 | 774.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Osborne ,R (Ryan Eugene) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1248.2 | 1673.2 | 0 | 0 | 1012.1 | 1673.2 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

