PLAYER PAGE
Personal
Rubenstein, J (Joshua)
Chess SA id
1940152862FIDE id
?Date of birth
1994-02-18 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-05-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Raw rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Weighted rating | 1285.3 | 1265.1 | 1309.5 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 785.3 | 765.1 | 809.6 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 146.8 | 151.1 | 141.8 | 143.8 |
| Highest rating | 1479.22023-05-01 | 1404.52023-03-01 | 1478.92023-05-01 | 13002024-03-01 |
| Highest raw rating | 1285.32024-03-01 | 1265.12024-03-01 | 1309.62024-03-01 | 13002024-03-01 |
| Highest weighted rating | 1285.32025-04-01 | 1264.72025-08-01 | 1308.32025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 1479.22023-05-01 | 1404.52023-03-01 | 1478.92023-05-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Analysis | ||||
| Rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Raw rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Weighted rating | 1285.3 | 1265.1 | 1309.5 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 785.3 | 765.1 | 809.6 | 800 |
| Max/Min rating change allowed | 146.8 | 151.1 | 141.8 | 143.8 |
| 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 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| New weighted rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1285.3 | 1265.1 | 1309.6 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 785.3 | 765.1 | 809.6 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 12 | 6 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 12 | 6 | 6 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| 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 | 12 | 7.5 | 62.5 | 106.2 | 1392 | 1498.2 |
| Standard | 6 | 3.5 | 58.33 | 70.8 | 1334.6 | 1405.4 |
| Rapid | 6 | 4 | 66.67 | 141.7 | 1449.3 | 1591 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-09-30 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-09-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-08-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-07-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-06-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-05-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-04-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-03-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-02-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2025-01-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-12-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-11-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-10-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-09-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-08-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-07-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-09-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-05-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-04-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-03-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-02-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2024-01-01 | 1285.3 | 1265.1 | 1309.6 | 1300 |
| 2023-12-01 | 1285.3 | 1253.6 | 1269.2 | 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 | Steinitz Open 2023 (D) | 2023-05-27 | 2023-05-27 | Rapid | Cape Town (WCT) | 6 | 6 | 4 | Yes | Analysis |
| 2 | Cape Town Open 2023 (Intermediate) | 2023-03-25 | 2023-03-26 | Standard | Cape Town (WCT) | 6 | 6 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd3 | typeRapid | result1 | date2023-05-27 | rnd4 | typeRapid | result1 | ||
| OpponentRamlall, R (Rahul) | OpponentPalmer, ZE (Zante) | ||||||||
| 2 | 2 | TournamentCape Town Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-03-26 | rnd6 | typeStandard | result0.5 | date2023-05-27 | rnd1 | typeRapid | result1 | ||
| OpponentAmar, J (James) | OpponentMaginley, J (Jonathan) | ||||||||
| 3 | 2 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-26 | rnd4 | typeStandard | result1 | ||
| OpponentMagwaza, R (Richard) | OpponentGebu, S (Sisipho) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-26 | rnd4 | typeStandard | result1 | ||
| OpponentMagwaza, R (Richard) | OpponentGebu, S (Sisipho) | ||||||||
| 2 | 1 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-26 | rnd6 | typeStandard | result0.5 | date2023-03-26 | rnd6 | typeStandard | result0.5 | ||
| OpponentAmar, J (James) | OpponentAmar, J (James) | ||||||||
| 3 | 1 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd1 | typeStandard | result1 | date2023-03-25 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, WF (Willem Frederick) | OpponentVan Tonder, WF (Willem Frederick) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd3 | typeRapid | result1 | date2023-05-27 | rnd4 | typeRapid | result1 | ||
| OpponentRamlall, R (Rahul) | OpponentPalmer, ZE (Zante) | ||||||||
| 2 | 1 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd6 | typeRapid | result1 | date2023-05-27 | rnd6 | typeRapid | result1 | ||
| OpponentPalmer, J (Jesse) | OpponentPalmer, J (Jesse) | ||||||||
| 3 | 1 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd1 | typeRapid | result1 | date2023-05-27 | rnd1 | typeRapid | result1 | ||
| OpponentMaginley, J (Jonathan) | OpponentMaginley, J (Jonathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd3 | typeRapid | result1 | date2023-05-27 | rnd4 | typeRapid | result1 | ||
| OpponentRamlall, R (Rahul) | OpponentPalmer, ZE (Zante) | ||||||||
| 2 | 2 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-26 | rnd4 | typeStandard | result1 | ||
| OpponentMagwaza, R (Richard) | OpponentGebu, S (Sisipho) | ||||||||
| 3 | 1 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd6 | typeRapid | result1 | date2023-05-27 | rnd6 | typeRapid | result1 | ||
| OpponentPalmer, J (Jesse) | OpponentPalmer, J (Jesse) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-26 | rnd4 | typeStandard | result1 | ||
| OpponentMagwaza, R (Richard) | OpponentGebu, S (Sisipho) | ||||||||
| 2 | 1 | TournamentCape Town Open 2023 | TournamentCape Town Open 2023 | ||||||
| date2023-03-25 | rnd1 | typeStandard | result1 | date2023-03-25 | rnd1 | typeStandard | result1 | ||
| OpponentVan Tonder, WF (Willem Frederick) | OpponentVan Tonder, WF (Willem Frederick) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd3 | typeRapid | result1 | date2023-05-27 | rnd4 | typeRapid | result1 | ||
| OpponentRamlall, R (Rahul) | OpponentPalmer, ZE (Zante) | ||||||||
| 2 | 1 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd6 | typeRapid | result1 | date2023-05-27 | rnd6 | typeRapid | result1 | ||
| OpponentPalmer, J (Jesse) | OpponentPalmer, J (Jesse) | ||||||||
| 3 | 1 | TournamentSteinitz Open 2023 | TournamentSteinitz Open 2023 | ||||||
| date2023-05-27 | rnd1 | typeRapid | result1 | date2023-05-27 | rnd1 | typeRapid | result1 | ||
| OpponentMaginley, J (Jonathan) | OpponentMaginley, J (Jonathan) | ||||||||
| # | 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 | Manning ,C (Callan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1518 | 1093 | 1485.1 | 1093 | 0 | 0 | 0 | 0 | ||||||
| 2 | Van Tonder ,WF (Willem Frederick) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1161.5 | 1586.5 | 1158.6 | 1586.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Maruma ,K (Katlego) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1368.6 | 943.6 | 1369.9 | 943.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Magwaza ,R (Richard) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1204.3 | 1629.3 | 1187.7 | 1629.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Amar ,J (James) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1407 | 1407 | 1382.6 | 1407 | 0 | 0 | 0 | 0 | ||||||
| 6 | Gebu ,S (Sisipho) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1348 | 1773 | 1346.5 | 1773 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ramlall ,R (Rahul) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1235.2 | 1660.2 | 0 | 0 | 1210.1 | 1660.2 | 0 | 0 | ||||||
| 8 | Lombard ,L (Luke) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1591.4 | 1166.4 | 0 | 0 | 1413.1 | 1166.4 | 0 | 0 | ||||||
| 9 | De Jager ,AJ (Andreas Johannes) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1881.8 | 1456.8 | 0 | 0 | 1715.2 | 1456.8 | 0 | 0 | ||||||
| 10 | Maginley ,J (Jonathan) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

