PLAYER PAGE
Personal
Van Der Westhuyzen, P (Petrus Johanne)
Chess SA id
1080146876FIDE id
?Date of birth
2008-05-15 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-05-06Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Raw rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Weighted rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 800.1 | 821.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 143.8 | 139.4 | 184.3 | 165.8 |
| Highest rating | 1448.12023-03-01 | 1645.72023-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1300.12024-02-01 | 1321.82024-02-01 | 12002020-01-01 | 12002024-02-01 |
| Highest weighted rating | 1300.12025-04-01 | 1321.82025-04-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1448.12023-03-01 | 1645.72023-03-01 | 12002020-01-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Analysis | ||||
| Rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Raw rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Weighted rating | 1300.1 | 1321.8 | 1126 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 800.1 | 821.8 | 700 | 700 |
| Max/Min rating change allowed | 143.8 | 139.4 | 184.3 | 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 | 1300.1 | 1321.8 | 1126 | 1200 |
| New weighted rating | 1300.1 | 1321.8 | 1126 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1300.1 | 1321.8 | 1126 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1300.1 | 1321.8 | 1126 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 800.1 | 821.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 7 | 0 | 7 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 16 | 9 | 7 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 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 | 16 | 11 | 68.75 | 159.4 | 1215.8 | 1375.1 |
| Standard | 9 | 8 | 88.89 | 330.6 | 1213.2 | 1543.8 |
| Rapid | 7 | 3 | 42.86 | -60.7 | 1219 | 1158.3 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-09-30 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-09-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-08-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-07-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-06-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-05-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-04-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-03-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-02-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2025-01-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-12-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-11-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-10-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-09-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-08-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-07-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-09-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-05-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-04-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-03-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-02-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2024-01-01 | 1300.1 | 1321.8 | 1126 | 1200 |
| 2023-12-01 | 1300.1 | 1321.8 | 1126 | 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 | 2023 Mid Gauteng Open Tournament (D) | 2023-05-06 | 2023-05-06 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) | 2023-03-04 | 2023-03-04 | Standard | Tshwane (GTP) | 5 | 4 | 4 | Yes | Analysis |
| 3 | Afrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | 2022-09-22 | 2022-09-22 | Rapid | Tshwane (GTP) | 7 | 7 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2023 Afrikaans Hoër Seunskool Open Chess Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-03-04 | rnd2 | typeStandard | result1 | date2023-05-06 | rnd3 | typeStandard | result1 | ||
| OpponentSwanepoel, M (Montiné) | OpponentTivane, L (Lebo) | ||||||||
| 2 | 3 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | ||||||
| date2022-09-22 | rnd2 | typeRapid | result1 | date2022-09-22 | rnd4 | typeRapid | result1 | ||
| OpponentCrouse, R (Ronald Clive) | OpponentFerreira, H (Hechter) | ||||||||
| 3 | 1 | Tournament2023 Mid Gauteng Open Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-05-06 | rnd5 | typeStandard | result1 | date2023-05-06 | rnd5 | typeStandard | result1 | ||
| OpponentMakaleng, K (Kgothatso) | OpponentMakaleng, K (Kgothatso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2023 Afrikaans Hoër Seunskool Open Chess Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-03-04 | rnd2 | typeStandard | result1 | date2023-05-06 | rnd3 | typeStandard | result1 | ||
| OpponentSwanepoel, M (Montiné) | OpponentTivane, L (Lebo) | ||||||||
| 2 | 1 | Tournament2023 Mid Gauteng Open Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-05-06 | rnd5 | typeStandard | result1 | date2023-05-06 | rnd5 | typeStandard | result1 | ||
| OpponentMakaleng, K (Kgothatso) | OpponentMakaleng, K (Kgothatso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | ||||||
| date2022-09-22 | rnd2 | typeRapid | result1 | date2022-09-22 | rnd4 | typeRapid | result1 | ||
| OpponentCrouse, R (Ronald Clive) | OpponentFerreira, H (Hechter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2023 Afrikaans Hoër Seunskool Open Chess Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-03-04 | rnd2 | typeStandard | result1 | date2023-05-06 | rnd3 | typeStandard | result1 | ||
| OpponentSwanepoel, M (Montiné) | OpponentTivane, L (Lebo) | ||||||||
| 2 | 3 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | ||||||
| date2022-09-22 | rnd2 | typeRapid | result1 | date2022-09-22 | rnd4 | typeRapid | result1 | ||
| OpponentCrouse, R (Ronald Clive) | OpponentFerreira, H (Hechter) | ||||||||
| 3 | 1 | Tournament2023 Mid Gauteng Open Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-05-06 | rnd5 | typeStandard | result1 | date2023-05-06 | rnd5 | typeStandard | result1 | ||
| OpponentMakaleng, K (Kgothatso) | OpponentMakaleng, K (Kgothatso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2023 Afrikaans Hoër Seunskool Open Chess Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-03-04 | rnd2 | typeStandard | result1 | date2023-05-06 | rnd3 | typeStandard | result1 | ||
| OpponentSwanepoel, M (Montiné) | OpponentTivane, L (Lebo) | ||||||||
| 2 | 1 | Tournament2023 Mid Gauteng Open Tournament | Tournament2023 Mid Gauteng Open Tournament | ||||||
| date2023-05-06 | rnd5 | typeStandard | result1 | date2023-05-06 | rnd5 | typeStandard | result1 | ||
| OpponentMakaleng, K (Kgothatso) | OpponentMakaleng, K (Kgothatso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | TournamentAfrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 | ||||||
| date2022-09-22 | rnd2 | typeRapid | result1 | date2022-09-22 | rnd4 | typeRapid | result1 | ||
| OpponentCrouse, R (Ronald Clive) | OpponentFerreira, H (Hechter) | ||||||||
| # | 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 | Karsten ,CB (Chay Belle) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1221.6 | 1221.6 | 1212.9 | 1221.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Swanepoel ,M (Montiné) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Makaleng ,M (Mosa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1277.3 | 1702.3 | 1273.2 | 1702.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Padayachy ,V (Vidya) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1191.3 | 1616.3 | 1177.5 | 1616.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Makaleng ,K (Kgothatso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1345.6 | 1770.6 | 1342.8 | 1770.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Nthle ,P (Palesa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1102.3 | 1527.3 | 1096 | 1527.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Stander ,L (Lizanne) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1148.2 | 1573.2 | 1161.9 | 1573.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Tivane ,VL (Violet Lebo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1211.1 | 1636.1 | 1203.4 | 1636.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Du Toit ,DR (Daniel Ras) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1152.7 | 727.7 | 0 | 0 | 932.8 | 727.7 | 0 | 0 | ||||||
| 10 | Zietsman ,SC (Steyn Christoffel) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1217.3 | 792.3 | 0 | 0 | 656.8 | 792.3 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|