PLAYER PAGE
Personal
De Vries, G (Gustav)
Chess SA id
1120110485FIDE id
?Date of birth
2012-10-17 (U14)Gender
MaleRegion
West Coast (WCU)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-06-11Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Raw rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Weighted rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Weighted performance | 614.1 | 0 | 657.5 | 0 |
| Floor | 747 | 704 | 778.4 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 164.5 | 164.9 | 164.5 | 165.8 |
| Highest rating | 1377.82019-02-01 | 12042024-02-01 | 1450.32019-02-01 | 12002018-10-01 |
| Highest raw rating | 12472019-03-01 | 12042024-02-01 | 1278.42020-01-01 | 12002024-02-01 |
| Highest weighted rating | 12472021-09-01 | 12042025-02-01 | 1278.42021-02-01 | 12002018-10-01 |
| Highest weighted performance | 1377.82019-02-01 | 12002018-02-01 | 1450.32019-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Analysis | ||||
| Rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Raw rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Weighted rating | 1205.8 | 1204 | 1205.7 | |
| Weighted performance | 614.1 | 0 | 657.5 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 747 | 704 | 778.4 | 700 |
| Max/Min rating change allowed | 164.5 | 164.9 | 164.5 | 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 | 1205.8 | 1204 | 1205.7 | 1200 |
| New weighted rating | 1205.8 | 1204 | 1205.7 | 1200 |
| New weighted performance | 607.7 | 0 | 650.6 | 0 |
| Temp new rating | 1205.8 | 1204 | 1205.7 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1205.8 | 1204 | 1205.7 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 747 | 704 | 778.4 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 19 | 0 | 19 | 0 | |
| 10 | 0 | 10 | 0 | |
| History | 47 | 11 | 36 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | West Coast (WCU) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 47 | 24.5 | 52.13 | 18.1 | 1216.1 | 1234.2 |
| Standard | 11 | 5.5 | 50 | 0 | 1196.6 | 1196.6 |
| Rapid | 36 | 19 | 52.78 | 23.6 | 1222.1 | 1245.7 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-09-30 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-09-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-08-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-07-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-06-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-05-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-04-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-03-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-02-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2025-01-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-12-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-11-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-10-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-09-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-08-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-07-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-09-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-05-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-04-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-03-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-02-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2024-01-01 | 1205.8 | 1204 | 1205.7 | 1200 |
| 2023-12-01 | 1205.8 | 1204 | 1205.7 | 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 | Bo-Weskus Top Skole 2022 (O11) | 2022-06-11 | 2022-06-11 | Rapid | West Coast (WCU) | 5 | 4 | 1 | Yes | Analysis |
| 2 | West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys) | 2022-04-23 | 2022-04-23 | Rapid | West Coast (WCU) | 5 | 5 | 2 | Yes | Analysis |
| 3 | West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys) | 2022-04-09 | 2022-04-09 | Rapid | West Coast (WCU) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | Bo Weskus Skole Skaak Prestige (O11 Seuns) | 2022-03-19 | 2022-03-19 | Rapid | West Coast (WCU) | 5 | 5 | 3 | Yes | Analysis |
| 5 | West Coast Primary Schools Prestige 2021 (U7+U9) | 2021-09-18 | 2021-09-18 | Rapid | West Coast (WCU) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Upper West Coast 2021 (U9) | 2021-09-04 | 2021-09-04 | Rapid | West Coast (WCU) | 6 | 5 | 2 | Yes | Analysis |
| 7 | Bo-Weskus Skole Prestige 2020 (O9 Seuns) | 2020-02-15 | 2020-02-15 | Standard | West Coast (WCU) | 6 | 6 | 3.5 | Yes | Analysis |
| 8 | Weskus Skole Prestige Skaak Kampioenskappe 2019 (O7 Seuns) | 2019-03-02 | 2019-04-06 | Standard | West Coast (WCU) | 6 | 5 | 2 | Yes | Analysis |
| 9 | Bo-Weskus Skole Skaak Prestige 2019 (O7) | 2019-02-16 | 2019-02-16 | Rapid | West Coast (WCU) | 7 | 7 | 5.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentBo Weskus Skole Skaak Prestige | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | ||||||
| date2022-03-19 | rnd4 | typeRapid | result1 | date2022-04-09 | rnd2 | typeRapid | result1 | ||
| OpponentSkippers, G (Gerano) | OpponentWarries, T (Tyreese) | ||||||||
| 2 | 3 | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | ||||||
| date2022-04-09 | rnd5 | typeRapid | result0.5 | date2022-04-23 | rnd2 | typeRapid | result1 | ||
| OpponentLindeque, C (Carlos) | OpponentWarries, T (Tyreese) | ||||||||
| 3 | 3 | TournamentBo-Weskus Skole Skaak Prestige 2019 | TournamentBo-Weskus Skole Skaak Prestige 2019 | ||||||
| date2019-02-16 | rnd5 | typeRapid | result1 | date2019-02-16 | rnd7 | typeRapid | result1 | ||
| OpponentCoetzee, X (Xavier) | OpponentGribble, S (Sergio) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBo-Weskus Skole Prestige 2020 | TournamentBo-Weskus Skole Prestige 2020 | ||||||
| date2020-02-15 | rnd3 | typeStandard | result1 | date2020-02-15 | rnd4 | typeStandard | result1 | ||
| OpponentJacobs, N (Nicholas) | OpponentMabala, L (Lubabalo) | ||||||||
| 2 | 2 | TournamentWeskus Skole Prestige Skaak Kampioenskappe 2019 | TournamentBo-Weskus Skole Prestige 2020 | ||||||
| date2019-04-06 | rnd6 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentEllman, A (Andries) | OpponentJoseph, J (Jc) | ||||||||
| 3 | 1 | TournamentBo-Weskus Skole Prestige 2020 | TournamentBo-Weskus Skole Prestige 2020 | ||||||
| date2020-02-15 | rnd6 | typeStandard | result0.5 | date2020-02-15 | rnd6 | typeStandard | result0.5 | ||
| OpponentSmal, W (William) | OpponentSmal, W (William) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentBo Weskus Skole Skaak Prestige | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | ||||||
| date2022-03-19 | rnd4 | typeRapid | result1 | date2022-04-09 | rnd2 | typeRapid | result1 | ||
| OpponentSkippers, G (Gerano) | OpponentWarries, T (Tyreese) | ||||||||
| 2 | 3 | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | ||||||
| date2022-04-09 | rnd5 | typeRapid | result0.5 | date2022-04-23 | rnd2 | typeRapid | result1 | ||
| OpponentLindeque, C (Carlos) | OpponentWarries, T (Tyreese) | ||||||||
| 3 | 3 | TournamentBo-Weskus Skole Skaak Prestige 2019 | TournamentBo-Weskus Skole Skaak Prestige 2019 | ||||||
| date2019-02-16 | rnd5 | typeRapid | result1 | date2019-02-16 | rnd7 | typeRapid | result1 | ||
| OpponentCoetzee, X (Xavier) | OpponentGribble, S (Sergio) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentBo Weskus Skole Skaak Prestige | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | ||||||
| date2022-03-19 | rnd4 | typeRapid | result1 | date2022-04-09 | rnd2 | typeRapid | result1 | ||
| OpponentSkippers, G (Gerano) | OpponentWarries, T (Tyreese) | ||||||||
| 2 | 3 | TournamentBo-Weskus Skole Skaak Prestige 2019 | TournamentBo-Weskus Skole Skaak Prestige 2019 | ||||||
| date2019-02-16 | rnd5 | typeRapid | result1 | date2019-02-16 | rnd7 | typeRapid | result1 | ||
| OpponentCoetzee, X (Xavier) | OpponentGribble, S (Sergio) | ||||||||
| 3 | 2 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | ||||||
| date2022-04-23 | rnd1 | typeRapid | result1 | date2022-04-23 | rnd2 | typeRapid | result1 | ||
| OpponentPieters, C (Coburn-Lee) | OpponentWarries, T (Tyreese) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBo-Weskus Skole Prestige 2020 | TournamentBo-Weskus Skole Prestige 2020 | ||||||
| date2020-02-15 | rnd3 | typeStandard | result1 | date2020-02-15 | rnd4 | typeStandard | result1 | ||
| OpponentJacobs, N (Nicholas) | OpponentMabala, L (Lubabalo) | ||||||||
| 2 | 2 | TournamentWeskus Skole Prestige Skaak Kampioenskappe 2019 | TournamentBo-Weskus Skole Prestige 2020 | ||||||
| date2019-04-06 | rnd6 | typeStandard | result1 | date2020-02-15 | rnd1 | typeStandard | result1 | ||
| OpponentEllman, A (Andries) | OpponentJoseph, J (Jc) | ||||||||
| 3 | 1 | TournamentWeskus Skole Prestige Skaak Kampioenskappe 2019 | TournamentWeskus Skole Prestige Skaak Kampioenskappe 2019 | ||||||
| date2019-03-02 | rnd3 | typeStandard | result1 | date2019-03-02 | rnd3 | typeStandard | result1 | ||
| OpponentGribble, S (Sergio) | OpponentGribble, S (Sergio) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentBo Weskus Skole Skaak Prestige | TournamentWest Coast Schools Chess Prestige Leg 1 2022 | ||||||
| date2022-03-19 | rnd4 | typeRapid | result1 | date2022-04-09 | rnd2 | typeRapid | result1 | ||
| OpponentSkippers, G (Gerano) | OpponentWarries, T (Tyreese) | ||||||||
| 2 | 3 | TournamentBo-Weskus Skole Skaak Prestige 2019 | TournamentBo-Weskus Skole Skaak Prestige 2019 | ||||||
| date2019-02-16 | rnd5 | typeRapid | result1 | date2019-02-16 | rnd7 | typeRapid | result1 | ||
| OpponentCoetzee, X (Xavier) | OpponentGribble, S (Sergio) | ||||||||
| 3 | 2 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | TournamentWest Coast Schools Chess Prestige Leg 2 2022 | ||||||
| date2022-04-23 | rnd1 | typeRapid | result1 | date2022-04-23 | rnd2 | typeRapid | result1 | ||
| OpponentPieters, C (Coburn-Lee) | OpponentWarries, T (Tyreese) | ||||||||
| # | 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 | Maletta ,S (Sherevitho) | 5 | 0.5 | -340 | 2 | 0 | -425 | 3 | 0.5 | -283.3 | 0 | 0 | 0 |
| 1219.8 | 879.8 | 1197.1 | 794.8 | 1220.8 | 936.5 | 0 | 0 | ||||||
| 2 | Gribble ,S (Sergio) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1194 | 1619 | 1200 | 1619 | 1200 | 1619 | 0 | 0 | ||||||
| 3 | Dirks ,R (Ryan) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1228.3 | 803.3 | 1200 | 803.3 | 1215.1 | 803.3 | 0 | 0 | ||||||
| 4 | Warries ,T (Tyreese) | 2 | 2 | 425 | 0 | 0 | 0 | 2 | 2 | 425 | 0 | 0 | 0 |
| 1209.1 | 1634.1 | 0 | 0 | 1216.8 | 1634.1 | 0 | 0 | ||||||
| 5 | Van Helsdingen ,L (Lene) | 2 | 2 | 425 | 0 | 0 | 0 | 2 | 2 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 6 | Booysen ,C (Chadlin) | 2 | 0 | -425 | 0 | 0 | 0 | 2 | 0 | -425 | 0 | 0 | 0 |
| 1457.2 | 1032.2 | 0 | 0 | 1516.2 | 1032.2 | 0 | 0 | ||||||
| 7 | Engelbrecht ,J (Janke) | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
| 1163.5 | 1163.5 | 0 | 0 | 1114.8 | 1163.5 | 0 | 0 | ||||||
| 8 | Pieters ,C (Coburn-Lee) | 2 | 2 | 425 | 0 | 0 | 0 | 2 | 2 | 425 | 0 | 0 | 0 |
| 1211.5 | 1636.5 | 0 | 0 | 1218.8 | 1636.5 | 0 | 0 | ||||||
| 9 | Bowden ,R (Ryan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mabala ,L (Lubabalo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

