PLAYER PAGE
Personal
Pieterse, W (William)
Chess SA id
105082964FIDE id
?Date of birth
2005-03-10 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-04-02Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Raw rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Weighted rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 733.2 | 741.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.2 | 171.1 | 165.8 | 165.8 |
| Highest rating | 1390.72023-02-01 | 1394.32023-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1233.22023-03-01 | 1241.22023-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1233.22023-04-01 | 1241.22023-04-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1390.72023-02-01 | 1394.32023-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Raw rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Weighted rating | 1194.1 | 1177.9 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 733.2 | 741.2 | 700 | 700 |
| Max/Min rating change allowed | 167.2 | 171.1 | 165.8 | 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 | 1194.1 | 1177.9 | 1200 | 1200 |
| New weighted rating | 1194.1 | 1177.9 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1194.1 | 1177.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1194.1 | 1177.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 733.2 | 741.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 20 | 20 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 15 | 6.5 | 43.33 | -56.7 | 1258.1 | 1201.5 |
| Standard | 15 | 6.5 | 43.33 | -56.7 | 1258.1 | 1201.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-09-30 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-09-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-08-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-07-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-06-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-05-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-04-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-03-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-02-01 | 1194.1 | 1177.9 | 1200 | 1200 |
| 2025-01-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-12-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-11-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-10-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-09-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-08-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-07-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-09-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-05-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-04-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-03-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-02-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2024-01-01 | 1194 | 1177.8 | 1200 | 1200 |
| 2023-12-01 | 1194 | 1177.8 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Cape HS Individuals 2023 (U19 Boys) | 2023-04-01 | 2023-04-02 | Standard | Cape Town (WCT) | 6 | 5 | 1 | Yes | Analysis |
| 2 | Cape Winelands Schools Prestige 2023 (U19 Boys) | 2023-03-11 | 2023-03-11 | Standard | Cape Winelands (WCW) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) | 2023-02-25 | 2023-02-25 | Standard | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
| date2023-03-11 | rnd3 | typeStandard | result1 | date2023-03-11 | rnd5 | typeStandard | result1 | ||
| OpponentFebruary, B (Benjamim) | OpponentKotze, I (Izak) | ||||||||
| 2 | 2 | TournamentCape Winelands Schools Chess - Trials 1 2023 | TournamentCape Winelands Schools Chess - Trials 1 2023 | ||||||
| date2023-02-25 | rnd4 | typeStandard | result1 | date2023-02-25 | rnd5 | typeStandard | result1 | ||
| OpponentPieters, J (Jd) | OpponentFry, G (Geone) | ||||||||
| 3 | 1 | TournamentWestern Cape HS Individuals 2023 | TournamentWestern Cape HS Individuals 2023 | ||||||
| date2023-04-01 | rnd3 | typeStandard | result1 | date2023-04-01 | rnd3 | typeStandard | result1 | ||
| OpponentDe Wet, WJ (Wouter) | OpponentDe Wet, WJ (Wouter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
| date2023-03-11 | rnd3 | typeStandard | result1 | date2023-03-11 | rnd5 | typeStandard | result1 | ||
| OpponentFebruary, B (Benjamim) | OpponentKotze, I (Izak) | ||||||||
| 2 | 2 | TournamentCape Winelands Schools Chess - Trials 1 2023 | TournamentCape Winelands Schools Chess - Trials 1 2023 | ||||||
| date2023-02-25 | rnd4 | typeStandard | result1 | date2023-02-25 | rnd5 | typeStandard | result1 | ||
| OpponentPieters, J (Jd) | OpponentFry, G (Geone) | ||||||||
| 3 | 1 | TournamentWestern Cape HS Individuals 2023 | TournamentWestern Cape HS Individuals 2023 | ||||||
| date2023-04-01 | rnd3 | typeStandard | result1 | date2023-04-01 | rnd3 | typeStandard | result1 | ||
| OpponentDe Wet, WJ (Wouter) | OpponentDe Wet, WJ (Wouter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Winelands Schools Chess - Trials 1 2023 | TournamentCape Winelands Schools Chess - Trials 1 2023 | ||||||
| date2023-02-25 | rnd4 | typeStandard | result1 | date2023-02-25 | rnd5 | typeStandard | result1 | ||
| OpponentPieters, J (Jd) | OpponentFry, G (Geone) | ||||||||
| 2 | 1 | TournamentWestern Cape HS Individuals 2023 | TournamentWestern Cape HS Individuals 2023 | ||||||
| date2023-04-01 | rnd3 | typeStandard | result1 | date2023-04-01 | rnd3 | typeStandard | result1 | ||
| OpponentDe Wet, WJ (Wouter) | OpponentDe Wet, WJ (Wouter) | ||||||||
| 3 | 1 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
| date2023-03-11 | rnd5 | typeStandard | result1 | date2023-03-11 | rnd5 | typeStandard | result1 | ||
| OpponentKotze, I (Izak) | OpponentKotze, I (Izak) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Winelands Schools Chess - Trials 1 2023 | TournamentCape Winelands Schools Chess - Trials 1 2023 | ||||||
| date2023-02-25 | rnd4 | typeStandard | result1 | date2023-02-25 | rnd5 | typeStandard | result1 | ||
| OpponentPieters, J (Jd) | OpponentFry, G (Geone) | ||||||||
| 2 | 1 | TournamentWestern Cape HS Individuals 2023 | TournamentWestern Cape HS Individuals 2023 | ||||||
| date2023-04-01 | rnd3 | typeStandard | result1 | date2023-04-01 | rnd3 | typeStandard | result1 | ||
| OpponentDe Wet, WJ (Wouter) | OpponentDe Wet, WJ (Wouter) | ||||||||
| 3 | 1 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
| date2023-03-11 | rnd5 | typeStandard | result1 | date2023-03-11 | rnd5 | typeStandard | result1 | ||
| OpponentKotze, I (Izak) | OpponentKotze, I (Izak) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | De Wet ,WJ (Wouter Johannes) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1236.8 | 1449.3 | 1122.2 | 1449.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Nel ,MD (Markus Daniel) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1372.4 | 947.4 | 1340.8 | 947.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Beukes ,JC (Jaeden Caeleb) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1301.2 | 876.2 | 1300.4 | 876.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Pieters ,J (Jd) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Wilson ,L (Leston) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1276.9 | 851.9 | 1272.9 | 851.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Theunissen ,K (Keagan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Segelaar ,G (Geriant) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1623.3 | 1198.3 | 1611.1 | 1198.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kotze ,I (Izak) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 717 | 1142 | 733.8 | 1142 | 0 | 0 | 0 | 0 | ||||||
| 9 | February ,B (Benjamim) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1171.3 | 1596.3 | 1204 | 1596.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Du Toit ,J (Jaywin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1350.9 | 925.9 | 1337.1 | 925.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

