PLAYER PAGE
Personal
Losper, J (Joshua)
Chess SA id
1110138761FIDE id
?Date of birth
2011-05-09 (U16)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-02-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1174.3 | 1200 | 1166 | 1200 |
| Raw rating | 1174.3 | 1200 | 1166 | 1200 |
| Weighted rating | 1174.3 | 1200 | 1166 | 1200 |
| Weighted performance | 738.9 | 0 | 741.9 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 172 | 165.8 | 174 | 165.8 |
| Highest rating | 12002018-10-01 | 1201.22023-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002020-01-01 | 12002024-02-01 | 12002020-01-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 1201.22023-02-01 | 12002020-01-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1174.3 | 1200 | 1166 | 1200 |
| Analysis | ||||
| Rating | 1174.3 | 1200 | 1166 | 1200 |
| Raw rating | 1174.3 | 1200 | 1166 | 1200 |
| Weighted rating | 1174.3 | 1200 | 1166 | |
| Weighted performance | 738.9 | 0 | 741.9 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 172 | 165.8 | 174 | 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 | 1174.3 | 1200 | 1166 | 1200 |
| New weighted rating | 1174.3 | 1200 | 1166 | 1200 |
| New weighted performance | 732.3 | 0 | 735.1 | 0 |
| Temp new rating | 1174.3 | 1200 | 1166 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1174.3 | 1200 | 1166 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 17 | 6 | 11 | 0 | |
| 15 | 0 | 15 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 32 | 6 | 26 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 32 | 13.5 | 42.19 | -66.4 | 1215.9 | 1149.5 |
| Standard | 6 | 3 | 50 | 0 | 1194 | 1194 |
| Rapid | 26 | 10.5 | 40.38 | -81.7 | 1220.9 | 1139.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-09-30 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-09-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-08-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-07-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-06-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-05-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-04-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-03-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-02-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2025-01-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-12-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-11-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-10-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-09-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-08-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-07-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-09-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-05-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-04-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-03-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-02-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2024-01-01 | 1174.3 | 1200 | 1166 | 1200 |
| 2023-12-01 | 1174.3 | 1200 | 1166 | 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 | Mary-Anne Bartels Chess Tournament 2023 (U13) | 2023-02-21 | 2023-02-21 | Rapid | Cape Town (WCT) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Laerskool Welgemoed Rapid 2023 (U14) | 2023-02-11 | 2023-02-11 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
| 3 | District East Schools Chess Individual Trials 2023 (U13 Boys) | 2023-02-03 | 2023-02-04 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 4 | Metro Rapid 2022 (U11 Boys) | 2022-10-22 | 2022-10-22 | Rapid | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
| 5 | Rhenish Primary Tournament 2022 (U12) | 2022-05-14 | 2022-05-14 | Rapid | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
| 6 | 2022 East Dist Individuals (U11) | 2022-03-13 | 2022-03-13 | Rapid | Cape Town (WCT) | 6 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-11 | rnd1 | typeRapid | result1 | ||
| OpponentMboyisa, A (Ayanda) | OpponentSprout, T (Tristan) | ||||||||
| 2 | 3 | TournamentMetro Rapid 2022 | TournamentMetro Rapid 2022 | ||||||
| date2022-10-22 | rnd3 | typeRapid | result1 | date2022-10-22 | rnd5 | typeRapid | result1 | ||
| OpponentClarke, M (Michiel) | OpponentVan Zyl, A (Andrew) | ||||||||
| 3 | 2 | TournamentMary-Anne Bartels Chess Tournament 2023 | TournamentMary-Anne Bartels Chess Tournament 2023 | ||||||
| date2023-02-21 | rnd1 | typeRapid | result1 | date2023-02-21 | rnd2 | typeRapid | result1 | ||
| OpponentNkani, J (John) | OpponentSwart, R (Richardo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentDistrict East Schools Chess Individual Trials 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-04 | rnd6 | typeStandard | result1 | ||
| OpponentMboyisa, A (Ayanda) | OpponentNkani, J (John) | ||||||||
| 2 | 1 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentDistrict East Schools Chess Individual Trials 2023 | ||||||
| date2023-02-03 | rnd2 | typeStandard | result1 | date2023-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentMagobolo, A (Abongile) | OpponentMagobolo, A (Abongile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMetro Rapid 2022 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2022-10-22 | rnd3 | typeRapid | result1 | date2023-02-11 | rnd1 | typeRapid | result1 | ||
| OpponentClarke, M (Michiel) | OpponentSprout, T (Tristan) | ||||||||
| 2 | 2 | TournamentMary-Anne Bartels Chess Tournament 2023 | TournamentMary-Anne Bartels Chess Tournament 2023 | ||||||
| date2023-02-21 | rnd1 | typeRapid | result1 | date2023-02-21 | rnd2 | typeRapid | result1 | ||
| OpponentNkani, J (John) | OpponentSwart, R (Richardo) | ||||||||
| 3 | 2 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd3 | typeRapid | result0.5 | date2023-02-11 | rnd4 | typeRapid | result1 | ||
| OpponentScheepers, R (Riko) | OpponentWainright, J (John-William) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-11 | rnd1 | typeRapid | result1 | ||
| OpponentMboyisa, A (Ayanda) | OpponentSprout, T (Tristan) | ||||||||
| 2 | 3 | TournamentMetro Rapid 2022 | TournamentMetro Rapid 2022 | ||||||
| date2022-10-22 | rnd3 | typeRapid | result1 | date2022-10-22 | rnd5 | typeRapid | result1 | ||
| OpponentClarke, M (Michiel) | OpponentVan Zyl, A (Andrew) | ||||||||
| 3 | 2 | TournamentMary-Anne Bartels Chess Tournament 2023 | TournamentMary-Anne Bartels Chess Tournament 2023 | ||||||
| date2023-02-21 | rnd1 | typeRapid | result1 | date2023-02-21 | rnd2 | typeRapid | result1 | ||
| OpponentNkani, J (John) | OpponentSwart, R (Richardo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentDistrict East Schools Chess Individual Trials 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-04 | rnd6 | typeStandard | result1 | ||
| OpponentMboyisa, A (Ayanda) | OpponentNkani, J (John) | ||||||||
| 2 | 1 | TournamentDistrict East Schools Chess Individual Trials 2023 | TournamentDistrict East Schools Chess Individual Trials 2023 | ||||||
| date2023-02-03 | rnd2 | typeStandard | result1 | date2023-02-03 | rnd2 | typeStandard | result1 | ||
| OpponentMagobolo, A (Abongile) | OpponentMagobolo, A (Abongile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMetro Rapid 2022 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2022-10-22 | rnd3 | typeRapid | result1 | date2023-02-11 | rnd1 | typeRapid | result1 | ||
| OpponentClarke, M (Michiel) | OpponentSprout, T (Tristan) | ||||||||
| 2 | 2 | TournamentMary-Anne Bartels Chess Tournament 2023 | TournamentMary-Anne Bartels Chess Tournament 2023 | ||||||
| date2023-02-21 | rnd1 | typeRapid | result1 | date2023-02-21 | rnd2 | typeRapid | result1 | ||
| OpponentNkani, J (John) | OpponentSwart, R (Richardo) | ||||||||
| 3 | 1 | TournamentLaerskool Welgemoed Rapid 2023 | TournamentLaerskool Welgemoed Rapid 2023 | ||||||
| date2023-02-11 | rnd4 | typeRapid | result1 | date2023-02-11 | rnd4 | typeRapid | result1 | ||
| OpponentWainright, J (John-William) | OpponentWainright, J (John-William) | ||||||||
| # | 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 | Nkani ,J (John) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1186.1 | 1611.1 | 1200 | 1611.1 | 1177.6 | 1611.1 | 0 | 0 | ||||||
| 2 | Petersen ,M (Mathew) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1186.6 | 761.6 | 1200 | 761.6 | 1179.6 | 761.6 | 0 | 0 | ||||||
| 3 | Mboyisa ,A (Ayanda) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Naude ,C (Cilan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.5 | 776.5 | 1200 | 776.5 | 0 | 0 | 0 | 0 | ||||||
| 5 | Magobolo ,A (Abongile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Van Lill ,D (David) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1180 | 755 | 0 | 0 | 1222.9 | 755 | 0 | 0 | ||||||
| 7 | Van Zyl ,L (Lindie) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 8 | Sprout ,T (Tristan) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1171.2 | 1596.2 | 0 | 0 | 1153.6 | 1596.2 | 0 | 0 | ||||||
| 9 | Van Zyl ,A (Andrew) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1201 | 1626 | 0 | 0 | 1201.6 | 1626 | 0 | 0 | ||||||
| 10 | Spence ,B (Brian) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1214.1 | 789.1 | 0 | 0 | 1269.4 | 789.1 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

