PLAYER PAGE
Personal
Van Der Westhuizen, D (Dean-Lee)
Chess SA id
1120192560FIDE id
?Date of birth
2012-08-28 (U14)Gender
MaleRegion
West Coast (WCU)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-03-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Raw rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Weighted rating | 1220.8 | 1214.9 | 1220 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 743.6 | 727.2 | 737.3 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 155.8 | 159.5 | 157.2 | 165.8 |
| Highest rating | 1243.62025-04-01 | 1227.22025-04-01 | 1318.62024-02-01 | 12002024-02-01 |
| Highest raw rating | 1243.62025-04-01 | 1227.22025-04-01 | 1237.32025-03-01 | 12002024-02-01 |
| Highest weighted rating | 1243.62024-03-01 | 12102025-08-01 | 1237.32024-03-01 | 12002024-02-01 |
| Highest weighted performance | 1224.72024-02-01 | 12002024-02-01 | 1318.62024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Analysis | ||||
| Rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Raw rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Weighted rating | 1220.8 | 1214.9 | 1220 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 743.6 | 727.2 | 737.3 | 700 |
| Max/Min rating change allowed | 155.8 | 159.5 | 157.2 | 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 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| New weighted rating | 1223.4 | 1216.3 | 1222.1 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1243.6 | 1227.2 | 1237.3 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 743.6 | 727.2 | 737.3 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 10 | 5 | 5 | 0 | |
| 8 | 0 | 8 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 18 | 5 | 13 | 0 |
| Games since | |||||||||||||||||
| Main18 | Standard5 | Rapid13 | 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 | 10 | 6.5 | 65 | 127.5 | 1248.3 | 1375.8 |
| Standard | 5 | 3 | 60 | 85 | 1281.1 | 1366.1 |
| Rapid | 5 | 3.5 | 70 | 170 | 1215.6 | 1385.6 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 18 | 9.5 | 52.78 | 23.6 | 1249.6 | 1273.2 |
| Standard | 5 | 3 | 60 | 85 | 1281.1 | 1366.1 |
| Rapid | 13 | 6.5 | 50 | 0 | 1237.4 | 1237.4 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-09-30 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-09-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-08-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-07-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-06-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-05-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-04-01 | 1243.6 | 1227.2 | 1237.3 | 1200 |
| 2025-03-01 | 1216.1 | 1200 | 1237.3 | 1200 |
| 2025-02-01 | 1192.3 | 1200 | 1195.6 | 1200 |
| 2025-01-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-12-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-11-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-10-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-09-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-08-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-07-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-09-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-05-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-04-01 | 1188.4 | 1200 | 1192.4 | 1200 |
| 2024-03-01 | 1209.1 | 1200 | 1221.6 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 1200 | 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 | Western Cape Schools Individual Championship 2025 (U13 Boys) | 2025-05-17 | 2025-05-18 | Standard | Cape Winelands (WCW) | 6 | 0 | 0 | No | Analysis |
| 2 | West Coast Schools Chess Prestige 2025 (U13 Boys) | 2025-03-08 | 2025-03-08 | Standard | West Coast (WCU) | 6 | 5 | 3 | Yes | Analysis |
| 3 | Upper West Coast Presrige 2025 (U13 Boys) | 2025-02-22 | 2025-02-22 | Rapid | West Coast (WCU) | 5 | 5 | 3.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Cape Schools Individual Championship 2025 (U13 Boys) | 2025-05-17 | 2025-05-18 | Standard | Cape Winelands (WCW) | 6 | 0 | 0 | No | Analysis |
| 2 | West Coast Schools Chess Prestige 2025 (U13 Boys) | 2025-03-08 | 2025-03-08 | Standard | West Coast (WCU) | 6 | 5 | 3 | Yes | Analysis |
| 3 | Upper West Coast Presrige 2025 (U13 Boys) | 2025-02-22 | 2025-02-22 | Rapid | West Coast (WCU) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | West Coast Schools Chess Prestige Championships 2024 (U13 Boys) | 2024-03-09 | 2024-03-09 | Rapid | West Coast (WCU) | 5 | 4 | 1 | Yes | Analysis |
| 5 | Bo-Weskus Skole Prestige 2024 (O13 Seuns) | 2024-02-10 | 2024-02-10 | Rapid | West Coast (WCU) | 5 | 4 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentUpper West Coast Presrige 2025 | TournamentUpper West Coast Presrige 2025 | ||||||
| date2025-02-22 | rnd1 | typeRapid | result1 | date2025-02-22 | rnd3 | typeRapid | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentWillemse, Z (Zeke) | ||||||||
| 2 | 2 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd5 | typeStandard | result1 | date2025-03-08 | rnd6 | typeStandard | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentAndrew, T (Tyron) | ||||||||
| 3 | 2 | TournamentBo-Weskus Skole Prestige 2024 | TournamentBo-Weskus Skole Prestige 2024 | ||||||
| date2024-02-10 | rnd2 | typeRapid | result1 | date2024-02-10 | rnd3 | typeRapid | result1 | ||
| OpponentDirks, R (Ryan) | OpponentBester, J (Juandre) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd5 | typeStandard | result1 | date2025-03-08 | rnd6 | typeStandard | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentAndrew, T (Tyron) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd3 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentSalfirus, R (Raymellio) | OpponentSalfirus, R (Raymellio) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentUpper West Coast Presrige 2025 | TournamentUpper West Coast Presrige 2025 | ||||||
| date2025-02-22 | rnd1 | typeRapid | result1 | date2025-02-22 | rnd3 | typeRapid | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentWillemse, Z (Zeke) | ||||||||
| 2 | 2 | TournamentBo-Weskus Skole Prestige 2024 | TournamentBo-Weskus Skole Prestige 2024 | ||||||
| date2024-02-10 | rnd2 | typeRapid | result1 | date2024-02-10 | rnd3 | typeRapid | result1 | ||
| OpponentDirks, R (Ryan) | OpponentBester, J (Juandre) | ||||||||
| 3 | 1 | TournamentUpper West Coast Presrige 2025 | TournamentUpper West Coast Presrige 2025 | ||||||
| date2025-02-22 | rnd5 | typeRapid | result0.5 | date2025-02-22 | rnd5 | typeRapid | result0.5 | ||
| OpponentVan Der Westhuizen, J (Javian) | OpponentVan Der Westhuizen, J (Javian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentUpper West Coast Presrige 2025 | TournamentUpper West Coast Presrige 2025 | ||||||
| date2025-02-22 | rnd1 | typeRapid | result1 | date2025-02-22 | rnd3 | typeRapid | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentWillemse, Z (Zeke) | ||||||||
| 2 | 2 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd5 | typeStandard | result1 | date2025-03-08 | rnd6 | typeStandard | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentAndrew, T (Tyron) | ||||||||
| 3 | 2 | TournamentBo-Weskus Skole Prestige 2024 | TournamentBo-Weskus Skole Prestige 2024 | ||||||
| date2024-02-10 | rnd2 | typeRapid | result1 | date2024-02-10 | rnd3 | typeRapid | result1 | ||
| OpponentDirks, R (Ryan) | OpponentBester, J (Juandre) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd5 | typeStandard | result1 | date2025-03-08 | rnd6 | typeStandard | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentAndrew, T (Tyron) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Prestige 2025 | TournamentWest Coast Schools Chess Prestige 2025 | ||||||
| date2025-03-08 | rnd3 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentSalfirus, R (Raymellio) | OpponentSalfirus, R (Raymellio) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentUpper West Coast Presrige 2025 | TournamentUpper West Coast Presrige 2025 | ||||||
| date2025-02-22 | rnd1 | typeRapid | result1 | date2025-02-22 | rnd3 | typeRapid | result1 | ||
| OpponentOwies, E (Elwayno) | OpponentWillemse, Z (Zeke) | ||||||||
| 2 | 2 | TournamentBo-Weskus Skole Prestige 2024 | TournamentBo-Weskus Skole Prestige 2024 | ||||||
| date2024-02-10 | rnd2 | typeRapid | result1 | date2024-02-10 | rnd3 | typeRapid | result1 | ||
| OpponentDirks, R (Ryan) | OpponentBester, J (Juandre) | ||||||||
| 3 | 1 | TournamentWest Coast Schools Chess Prestige Championships 2024 | TournamentWest Coast Schools Chess Prestige Championships 2024 | ||||||
| date2024-03-09 | rnd4 | typeRapid | result1 | date2024-03-09 | rnd4 | typeRapid | result1 | ||
| OpponentMaarman, L (Luciano) | OpponentMaarman, L (Luciano) | ||||||||
| # | 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 | Andrew ,T (Tyron) | 2 | 1 | 0 | 1 | 1 | 425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1245.9 | 1245.9 | 1200 | 1670.9 | 1255.3 | 820.9 | 0 | 0 | ||||||
| 2 | Owies ,E (Elwayno) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1205.7 | 1630.7 | 1200 | 1630.7 | 1200 | 1630.7 | 0 | 0 | ||||||
| 3 | Isaacs ,C (Clint Lee) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1288.6 | 863.6 | 1159.9 | 863.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Salfirus ,R (Raymellio) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.1 | 1635.1 | 1200 | 1635.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Willemse ,S (Schalk) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1433.3 | 1008.3 | 1423.7 | 1008.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Dirks ,R (Ryan) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1236.6 | 1661.6 | 0 | 0 | 1327.7 | 1661.6 | 0 | 0 | ||||||
| 7 | Jacobs ,N (Nicholaas) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1193 | 768 | 0 | 0 | 1200 | 768 | 0 | 0 | ||||||
| 8 | Love ,T (Tayrique) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1314 | 889 | 0 | 0 | 1422.8 | 889 | 0 | 0 | ||||||
| 9 | Bester ,J (Juandre) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1342.7 | 1767.7 | 0 | 0 | 1352 | 1767.7 | 0 | 0 | ||||||
| 10 | Greeff ,G (Giteau) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1368.3 | 943.3 | 0 | 0 | 1378.2 | 943.3 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

