PLAYER PAGE
Personal
Hartzenberg, R (Ruaan)
Chess SA id
1040132410FIDE id
?Date of birth
2004-06-15 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-05-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1210 | 1226 | 1161.2 | 1200 |
| Raw rating | 1210 | 1226 | 1161.2 | 1200 |
| Weighted rating | 1210 | 1226 | 1161.2 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 724.1 | 755.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 163.5 | 159.8 | 175.2 | 165.8 |
| Highest rating | 1224.12022-04-01 | 1442.22022-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1224.12022-04-01 | 1255.22022-04-01 | 12002019-12-01 | 12002024-03-01 |
| Highest weighted rating | 1224.12024-03-01 | 1255.22024-01-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1202.62022-03-01 | 1442.22022-03-01 | 12002019-12-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1210 | 1226 | 1161.2 | 1200 |
| Analysis | ||||
| Rating | 1210 | 1226 | 1161.2 | 1200 |
| Raw rating | 1210 | 1226 | 1161.2 | 1200 |
| Weighted rating | 1210 | 1226 | 1161.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 724.1 | 755.2 | 700 | 700 |
| Max/Min rating change allowed | 163.5 | 159.8 | 175.2 | 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 | 1210 | 1226 | 1161.2 | 1200 |
| New weighted rating | 1210 | 1226 | 1161.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1210 | 1226 | 1161.2 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1210 | 1226 | 1161.2 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 724.1 | 755.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 16 | 11 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 22 | 11 | 11 | 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 | 22 | 10.5 | 47.73 | -19.3 | 1219.7 | 1200.4 |
| Standard | 11 | 5.5 | 50 | 0 | 1288.8 | 1288.8 |
| Rapid | 11 | 5 | 45.45 | -38.6 | 1150.7 | 1112 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-09-30 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-09-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-08-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-07-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-06-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-05-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-04-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-03-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-02-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2025-01-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-12-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-11-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-10-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-09-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-08-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-07-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-09-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-05-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-04-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-03-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-02-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2024-01-01 | 1210 | 1226 | 1161.2 | 1200 |
| 2023-12-01 | 1210 | 1226 | 1161.2 | 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 Schools Chess 2022 (U18 Boys) | 2022-05-07 | 2022-05-08 | Standard | Eden (WEG) | 6 | 6 | 2 | Yes | Analysis |
| 2 | Cape Winelands Schools 2022 (U18 Boys) | 2022-03-05 | 2022-03-05 | Standard | Cape Winelands (WCW) | 5 | 5 | 3.5 | Yes | Analysis |
| 3 | Central Winelands Schools Individual Trials 2022 (U18 Boys) | 2022-02-19 | 2022-02-19 | Rapid | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Cape Winelands Schools Trials 1 2020 (U18 Boys) | 2020-02-15 | 2020-02-15 | Rapid | Cape Winelands (WCW) | 6 | 6 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools 2022 | ||||||
| date2022-03-05 | rnd1 | typeStandard | result1 | date2022-03-05 | rnd3 | typeStandard | result1 | ||
| OpponentKuhn, J (John- Peter) | OpponentWitbooi, A (Antonio) | ||||||||
| 2 | 3 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 1 2020 | ||||||
| date2020-02-15 | rnd2 | typeRapid | result1 | date2020-02-15 | rnd4 | typeRapid | result1 | ||
| OpponentFriesland, A (Ashwin) | OpponentKleynhans, J (Jayden) | ||||||||
| 3 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-08 | rnd6 | typeStandard | result1 | date2022-05-08 | rnd6 | typeStandard | result1 | ||
| OpponentDon, W (Wian) | OpponentDon, W (Wian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools 2022 | ||||||
| date2022-03-05 | rnd1 | typeStandard | result1 | date2022-03-05 | rnd3 | typeStandard | result1 | ||
| OpponentKuhn, J (John- Peter) | OpponentWitbooi, A (Antonio) | ||||||||
| 2 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-08 | rnd6 | typeStandard | result1 | date2022-05-08 | rnd6 | typeStandard | result1 | ||
| OpponentDon, W (Wian) | OpponentDon, W (Wian) | ||||||||
| 3 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-07 | rnd2 | typeStandard | result1 | date2022-05-07 | rnd2 | typeStandard | result1 | ||
| OpponentDiedericks, A (Albert) | OpponentDiedericks, A (Albert) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 1 2020 | ||||||
| date2020-02-15 | rnd2 | typeRapid | result1 | date2020-02-15 | rnd4 | typeRapid | result1 | ||
| OpponentFriesland, A (Ashwin) | OpponentKleynhans, J (Jayden) | ||||||||
| 2 | 1 | TournamentCentral Winelands Schools Individual Trials 2022 | TournamentCentral Winelands Schools Individual Trials 2022 | ||||||
| date2022-02-19 | rnd4 | typeRapid | result1 | date2022-02-19 | rnd4 | typeRapid | result1 | ||
| OpponentVan Zyl, C (Christie) | OpponentVan Zyl, C (Christie) | ||||||||
| 3 | 1 | TournamentCentral Winelands Schools Individual Trials 2022 | TournamentCentral Winelands Schools Individual Trials 2022 | ||||||
| date2022-02-19 | rnd1 | typeRapid | result1 | date2022-02-19 | rnd1 | typeRapid | result1 | ||
| OpponentWaite, S (Sebastian) | OpponentWaite, S (Sebastian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 1 2020 | ||||||
| date2020-02-15 | rnd2 | typeRapid | result1 | date2020-02-15 | rnd4 | typeRapid | result1 | ||
| OpponentFriesland, A (Ashwin) | OpponentKleynhans, J (Jayden) | ||||||||
| 2 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-08 | rnd6 | typeStandard | result1 | date2022-05-08 | rnd6 | typeStandard | result1 | ||
| OpponentDon, W (Wian) | OpponentDon, W (Wian) | ||||||||
| 3 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-07 | rnd2 | typeStandard | result1 | date2022-05-07 | rnd2 | typeStandard | result1 | ||
| OpponentDiedericks, A (Albert) | OpponentDiedericks, A (Albert) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-08 | rnd6 | typeStandard | result1 | date2022-05-08 | rnd6 | typeStandard | result1 | ||
| OpponentDon, W (Wian) | OpponentDon, W (Wian) | ||||||||
| 2 | 1 | TournamentWestern Cape Schools Chess 2022 | TournamentWestern Cape Schools Chess 2022 | ||||||
| date2022-05-07 | rnd2 | typeStandard | result1 | date2022-05-07 | rnd2 | typeStandard | result1 | ||
| OpponentDiedericks, A (Albert) | OpponentDiedericks, A (Albert) | ||||||||
| 3 | 1 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools 2022 | ||||||
| date2022-03-05 | rnd5 | typeStandard | result1 | date2022-03-05 | rnd5 | typeStandard | result1 | ||
| OpponentVan Zyl, C (Christie) | OpponentVan Zyl, C (Christie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 1 2020 | ||||||
| date2020-02-15 | rnd2 | typeRapid | result1 | date2020-02-15 | rnd4 | typeRapid | result1 | ||
| OpponentFriesland, A (Ashwin) | OpponentKleynhans, J (Jayden) | ||||||||
| 2 | 1 | TournamentCentral Winelands Schools Individual Trials 2022 | TournamentCentral Winelands Schools Individual Trials 2022 | ||||||
| date2022-02-19 | rnd4 | typeRapid | result1 | date2022-02-19 | rnd4 | typeRapid | result1 | ||
| OpponentVan Zyl, C (Christie) | OpponentVan Zyl, C (Christie) | ||||||||
| 3 | 1 | TournamentCentral Winelands Schools Individual Trials 2022 | TournamentCentral Winelands Schools Individual Trials 2022 | ||||||
| date2022-02-19 | rnd1 | typeRapid | result1 | date2022-02-19 | rnd1 | typeRapid | result1 | ||
| OpponentWaite, S (Sebastian) | OpponentWaite, S (Sebastian) | ||||||||
| # | 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 | Van Zyl ,C (Christie) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1116.1 | 1541.1 | 1181.6 | 1541.1 | 1082.4 | 1541.1 | 0 | 0 | ||||||
| 2 | Don ,W (Wian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1225.5 | 1650.5 | 1251.2 | 1650.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | De Jong ,N (Nicholas) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1234 | 809 | 1174.8 | 809 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kuhn ,J (John- Peter) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.6 | 1635.6 | 1200 | 1635.6 | 0 | 0 | 0 | 0 | ||||||
| 5 | Diedericks ,A (Albert) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1233.1 | 1658.1 | 1200 | 1658.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Jacobs ,F (Franco) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1271.4 | 846.4 | 1268.5 | 846.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Bothma ,H (Hanno) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1520.1 | 1095.1 | 1480.7 | 1095.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Meyer ,J (Jared) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1425.3 | 1000.3 | 1413.2 | 1000.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Witbooi ,A (Antonio) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201 | 1626 | 1200 | 1626 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mercuur ,L (Logan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1322.5 | 1322.5 | 1288.7 | 1322.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

