PLAYER PAGE
Personal
Oostendorff, J (Juandre Keith)
Chess SA id
1000147004FIDE id
?Date of birth
2000-06-12 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-02-11Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Raw rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Weighted rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 783 | 785.9 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 155.4 | 146.7 | 181.6 | 165.8 |
| Highest rating | 1484.22022-10-01 | 1463.32022-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12832023-02-01 | 1285.92024-02-01 | 12002019-12-01 | 12002024-02-01 |
| Highest weighted rating | 12832024-09-01 | 1285.92025-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1484.22022-10-01 | 1463.32022-10-01 | 12002019-12-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Analysis | ||||
| Rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Raw rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Weighted rating | 1245.4 | 1285.9 | 1136 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 783 | 785.9 | 700 | 700 |
| Max/Min rating change allowed | 155.4 | 146.7 | 181.6 | 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 | 1245.4 | 1285.9 | 1136 | 1200 |
| New weighted rating | 1245.4 | 1285.9 | 1136 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1245.4 | 1285.9 | 1136 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1245.4 | 1285.9 | 1136 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 783 | 785.9 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 6 | 3 | 0 | |
| 9 | 9 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 18 | 15 | 3 | 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 | 18 | 10 | 55.56 | 47.2 | 1240.8 | 1288 |
| Standard | 15 | 10 | 66.67 | 141.7 | 1243.6 | 1385.3 |
| Rapid | 3 | 0 | 0 | -425 | 1226.5 | 801.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-09-30 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-09-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-08-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-07-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-06-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-05-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-04-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-03-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-02-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2025-01-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-12-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-11-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-10-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-09-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-08-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-07-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-09-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-05-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-04-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-03-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-02-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2024-01-01 | 1245.4 | 1285.9 | 1136 | 1200 |
| 2023-12-01 | 1245.4 | 1285.9 | 1136 | 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 | Langeberg Schools Chess Trials 2023 (Open) | 2023-02-11 | 2023-02-11 | Rapid | Cape Winelands (WCW) | 3 | 3 | 0 | Yes | Analysis |
| 2 | Marie Delport Memorial 2023 (Open) | 2023-01-21 | 2023-01-21 | Standard | Cape Winelands (WCW) | 6 | 6 | 3.5 | Yes | Analysis |
| 3 | McGregor Chess December Festival 2022 | 2022-12-10 | 2022-12-10 | Standard | Cape Winelands (WCW) | 4 | 4 | 2.5 | Yes | Analysis |
| 4 | Heritage Chess Open 2022 | 2022-10-01 | 2022-10-01 | Standard | Cape Winelands (WCW) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentMcGregor Chess December Festival 2022 | TournamentMarie Delport Memorial 2023 | ||||||
| date2022-12-10 | rnd2 | typeStandard | result1 | date2023-01-21 | rnd3 | typeStandard | result1 | ||
| OpponentJansen, I (Iyzarah) | OpponentRichter, HL (Heinrich) | ||||||||
| 2 | 3 | TournamentHeritage Chess Open 2022 | TournamentHeritage Chess Open 2022 | ||||||
| date2022-10-01 | rnd3 | typeStandard | result1 | date2022-10-01 | rnd5 | typeStandard | result1 | ||
| OpponentCupido, D (Demetrie) | OpponentVisser, D (Denwill) | ||||||||
| 3 | 1 | TournamentMarie Delport Memorial 2023 | TournamentMarie Delport Memorial 2023 | ||||||
| date2023-01-21 | rnd6 | typeStandard | result0.5 | date2023-01-21 | rnd6 | typeStandard | result0.5 | ||
| OpponentBresler, C (Conrad) | OpponentBresler, C (Conrad) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentMcGregor Chess December Festival 2022 | TournamentMarie Delport Memorial 2023 | ||||||
| date2022-12-10 | rnd2 | typeStandard | result1 | date2023-01-21 | rnd3 | typeStandard | result1 | ||
| OpponentJansen, I (Iyzarah) | OpponentRichter, HL (Heinrich) | ||||||||
| 2 | 3 | TournamentHeritage Chess Open 2022 | TournamentHeritage Chess Open 2022 | ||||||
| date2022-10-01 | rnd3 | typeStandard | result1 | date2022-10-01 | rnd5 | typeStandard | result1 | ||
| OpponentCupido, D (Demetrie) | OpponentVisser, D (Denwill) | ||||||||
| 3 | 1 | TournamentMarie Delport Memorial 2023 | TournamentMarie Delport Memorial 2023 | ||||||
| date2023-01-21 | rnd6 | typeStandard | result0.5 | date2023-01-21 | rnd6 | typeStandard | result0.5 | ||
| OpponentBresler, C (Conrad) | OpponentBresler, C (Conrad) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMarie Delport Memorial 2023 | TournamentMarie Delport Memorial 2023 | ||||||
| date2023-01-21 | rnd1 | typeStandard | result1 | date2023-01-21 | rnd3 | typeStandard | result1 | ||
| OpponentSpringveldt, L (Lael) | OpponentRichter, HL (Heinrich) | ||||||||
| 2 | 3 | TournamentHeritage Chess Open 2022 | TournamentHeritage Chess Open 2022 | ||||||
| date2022-10-01 | rnd3 | typeStandard | result1 | date2022-10-01 | rnd5 | typeStandard | result1 | ||
| OpponentCupido, D (Demetrie) | OpponentVisser, D (Denwill) | ||||||||
| 3 | 2 | TournamentMcGregor Chess December Festival 2022 | TournamentMcGregor Chess December Festival 2022 | ||||||
| date2022-12-10 | rnd2 | typeStandard | result1 | date2022-12-10 | rnd3 | typeStandard | result1 | ||
| OpponentJansen, I (Iyzarah) | OpponentRobertson, M (Marvin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentMarie Delport Memorial 2023 | TournamentMarie Delport Memorial 2023 | ||||||
| date2023-01-21 | rnd1 | typeStandard | result1 | date2023-01-21 | rnd3 | typeStandard | result1 | ||
| OpponentSpringveldt, L (Lael) | OpponentRichter, HL (Heinrich) | ||||||||
| 2 | 3 | TournamentHeritage Chess Open 2022 | TournamentHeritage Chess Open 2022 | ||||||
| date2022-10-01 | rnd3 | typeStandard | result1 | date2022-10-01 | rnd5 | typeStandard | result1 | ||
| OpponentCupido, D (Demetrie) | OpponentVisser, D (Denwill) | ||||||||
| 3 | 2 | TournamentMcGregor Chess December Festival 2022 | TournamentMcGregor Chess December Festival 2022 | ||||||
| date2022-12-10 | rnd2 | typeStandard | result1 | date2022-12-10 | rnd3 | typeStandard | result1 | ||
| OpponentJansen, I (Iyzarah) | OpponentRobertson, M (Marvin) | ||||||||
| # | 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 | Visser ,D (Denwill) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1220.3 | 1220.3 | 1196.5 | 1220.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Tiemie ,J (Jaheim) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1423.5 | 998.5 | 1403.8 | 998.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Bresler ,C (Conrad) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1160 | 1160 | 1152.9 | 1160 | 0 | 0 | 0 | 0 | ||||||
| 4 | Cupido ,D (Dante) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.3 | 1627.3 | 1201.3 | 1627.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Farao ,F (Franco) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1380 | 955 | 1382 | 955 | 0 | 0 | 0 | 0 | ||||||
| 6 | Robertson ,J (Jonah) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1408.7 | 983.7 | 1395.9 | 983.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | De Koker ,D (Dillan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1153.6 | 1153.6 | 1113.2 | 1153.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | October ,T (Tanisha) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.2 | 1555.2 | 1106.4 | 1555.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Robertson ,M (Marvin) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1292.9 | 1717.9 | 1276.5 | 1717.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Cupido ,D (Demetrie) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1162.2 | 1587.2 | 1126.4 | 1587.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

