PLAYER PAGE
Personal
Jooste, J (Jan (janu))
Chess SA id
1130192138FIDE id
?Date of birth
2013-10-02 (U14)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
26Junior GPX Points
1331.9| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1305.1 | 1304 | 1200 | 1200 |
| Raw rating | 1305.1 | 1304 | 1200 | 1200 |
| Weighted rating | 1301 | 1297.7 | 1200 | 1200 |
| Weighted performance | 1116.7 | 1115.5 | 0 | 0 |
| Floor | 890.9 | 888.3 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 142.7 | 143 | 165.8 | 165.8 |
| Highest rating | 1405.52024-06-01 | 1402.82024-06-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1390.92024-07-01 | 1388.32024-07-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1390.92024-09-01 | 1388.32024-09-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted performance | 1405.52024-06-01 | 1402.82024-06-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1305.1 | 1304 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1305.1 | 1304 | 1200 | 1200 |
| Raw rating | 1305.1 | 1304 | 1200 | 1200 |
| Weighted rating | 1301 | 1297.7 | 1200 | |
| Weighted performance | 1116.7 | 1115.5 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 890.9 | 888.3 | 700 | 700 |
| Max/Min rating change allowed | 142.7 | 143 | 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 | 1305.1 | 1304 | 1200 | 1200 |
| New weighted rating | 1302.5 | 1299.4 | 1200 | 1200 |
| New weighted performance | 1109.5 | 1108.3 | 0 | 0 |
| Temp new rating | 1305.1 | 1304 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1305.1 | 1304 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 890.9 | 888.3 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 16 | 16 | 0 | 0 | |
| 66 | 66 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 82 | 82 | 0 | 0 |
| Games since | |||||||||||||||||
| Main82 | Standard82 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3221 | 1081 | 388 | ||||||||||||||
| Male | 2517 | 838 | 297 | ||||||||||||||
| U14 | 604 | 196 | 65 | ||||||||||||||
| U14 Male | 434 | 137 | 47 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 3137 | 1131 | 427 | ||||||||||||||
| Male | 2468 | 891 | 331 | ||||||||||||||
| U14 | 585 | 201 | 71 | ||||||||||||||
| U14 Male | 414 | 141 | 48 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 16 | 6 | 37.5 | -106.2 | 1290.6 | 1184.3 |
| Standard | 16 | 6 | 37.5 | -106.2 | 1290.6 | 1184.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 82 | 44 | 53.66 | 31.1 | 1267.8 | 1298.9 |
| Standard | 82 | 44 | 53.66 | 31.1 | 1267.8 | 1298.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1305.1 | 1304 | 1200 | 1200 |
| 2025-09-30 | 1305.1 | 1304 | 1200 | 1200 |
| 2025-09-01 | 1305.1 | 1304 | 1200 | 1200 |
| 2025-08-01 | 1294.2 | 1290.5 | 1200 | 1200 |
| 2025-07-01 | 1292.2 | 1288.6 | 1200 | 1200 |
| 2025-06-01 | 1290.1 | 1286.5 | 1200 | 1200 |
| 2025-05-01 | 1287.7 | 1284.2 | 1200 | 1200 |
| 2025-04-01 | 1284 | 1279.9 | 1200 | 1200 |
| 2025-03-01 | 1324.5 | 1323 | 1200 | 1200 |
| 2025-02-01 | 1329.6 | 1323.7 | 1200 | 1200 |
| 2025-01-01 | 1362.3 | 1362.2 | 1200 | 1200 |
| 2024-12-01 | 1297.3 | 1294.5 | 1200 | 1200 |
| 2024-11-01 | 1297.3 | 1294.5 | 1200 | 1200 |
| 2024-10-01 | 1219.3 | 1198 | 1200 | 1200 |
| 2024-09-01 | 1345.2 | 1334.8 | 1200 | 1200 |
| 2024-08-01 | 1379.3 | 1375.1 | 1200 | 1200 |
| 2024-07-01 | 1390.9 | 1388.3 | 1200 | 1200 |
| 2024-09-01 | 1314.1 | 1311.8 | 1200 | 1200 |
| 2024-05-01 | 1245.5 | 1254 | 1200 | 1200 |
| 2024-04-01 | 1188.7 | 1184.2 | 1200 | 1200 |
| 2024-03-01 | 1212.9 | 1214.4 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U13) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 0 | 0 | No | Analysis |
| 2 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 1 | 1 | Yes | Analysis |
| 3 | AHS Open Chess Tournament 2025 (C) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 4 | 2025 Blou Bul Open Chess Tournament (D2) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2025 Tshwane Chess OPEN Registration Tournament (B3) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U13) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 0 | 0 | No | Analysis |
| 2 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 1 | 1 | Yes | Analysis |
| 3 | AHS Open Chess Tournament 2025 (C) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 4 | 2025 Blou Bul Open Chess Tournament (D2) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2025 Tshwane Chess OPEN Registration Tournament (B3) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 6 | Gauteng Inter-Region at UJ 2024 (U12 Candidates) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 5 | Yes | Analysis |
| 7 | Gauteng Top Schools 2024 (U11 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 5 | Yes | Analysis |
| 8 | Centurion Chess Open Tournament 2024 (B) | 2024-09-21 | 2024-09-21 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
| 9 | 2024 Etienne Lewis (U12) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 6 | 2 | Yes | Analysis |
| 10 | 2024 Jacaranda Round Robin Open Chess Tournament (E) | 2024-08-17 | 2024-08-17 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 11 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11B) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 12 | Menlopark Open Chess Tournament 2024 (U12) | 2024-07-13 | 2024-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 13 | 2024 Elise Steenkamp Open Chess Tournament (Rooks) | 2024-06-15 | 2024-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 14 | 2024 Mid Gauteng Open Chess Tournament (U12) | 2024-05-02 | 2024-05-02 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 15 | 2024 Milos Ristic Open Chess Tournament (U12) | 2024-04-27 | 2024-04-27 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 16 | 2024 Chris Greyling Open Chess Tournament (D2) | 2024-03-16 | 2024-03-16 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 17 | 2024 Wynie Robbertse Chess Tournament (D2) | 2024-03-02 | 2024-03-02 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 18 | 2024 Blou Bul Open Chess Tournament (D) | 2024-02-10 | 2024-02-10 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentGauteng Top Schools 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-10-04 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentMayekiso, M (Mvano) | OpponentVan Wyk, N (Nihann) | ||||||||
| 2 | 6 | Tournament2024 Mid Gauteng Open Chess Tournament | Tournament2024 Elise Steenkamp Open Chess Tournament | ||||||
| date2024-05-02 | rnd3 | typeStandard | result1 | date2024-06-15 | rnd3 | typeStandard | result0.5 | ||
| OpponentRoets, J (Josias) | OpponentDsouza, E (Ethan) | ||||||||
| 3 | 5 | Tournament2024 Blou Bul Open Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-02-10 | rnd3 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentMulamattathil, R (Raynah) | OpponentNienaber, J (Josua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentGauteng Top Schools 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-10-04 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentMayekiso, M (Mvano) | OpponentVan Wyk, N (Nihann) | ||||||||
| 2 | 6 | Tournament2024 Mid Gauteng Open Chess Tournament | Tournament2024 Elise Steenkamp Open Chess Tournament | ||||||
| date2024-05-02 | rnd3 | typeStandard | result1 | date2024-06-15 | rnd3 | typeStandard | result0.5 | ||
| OpponentRoets, J (Josias) | OpponentDsouza, E (Ethan) | ||||||||
| 3 | 5 | Tournament2024 Blou Bul Open Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-02-10 | rnd3 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentMulamattathil, R (Raynah) | OpponentNienaber, J (Josua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentGauteng Top Schools 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-10-04 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentMayekiso, M (Mvano) | OpponentVan Wyk, N (Nihann) | ||||||||
| 2 | 5 | Tournament2024 Mid Gauteng Open Chess Tournament | Tournament2024 Elise Steenkamp Open Chess Tournament | ||||||
| date2024-05-02 | rnd3 | typeStandard | result1 | date2024-06-15 | rnd2 | typeStandard | result1 | ||
| OpponentRoets, J (Josias) | OpponentPillay, Y (Yishai) | ||||||||
| 3 | 5 | Tournament2024 Blou Bul Open Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-02-10 | rnd3 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentMulamattathil, R (Raynah) | OpponentNienaber, J (Josua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentGauteng Top Schools 2024 | TournamentGauteng Inter-Region at UJ 2024 | ||||||
| date2024-10-04 | rnd1 | typeStandard | result1 | date2024-12-08 | rnd5 | typeStandard | result1 | ||
| OpponentMayekiso, M (Mvano) | OpponentVan Wyk, N (Nihann) | ||||||||
| 2 | 5 | Tournament2024 Mid Gauteng Open Chess Tournament | Tournament2024 Elise Steenkamp Open Chess Tournament | ||||||
| date2024-05-02 | rnd3 | typeStandard | result1 | date2024-06-15 | rnd2 | typeStandard | result1 | ||
| OpponentRoets, J (Josias) | OpponentPillay, Y (Yishai) | ||||||||
| 3 | 5 | Tournament2024 Blou Bul Open Chess Tournament | Tournament2024 Wynie Robbertse Chess Tournament | ||||||
| date2024-02-10 | rnd3 | typeStandard | result1 | date2024-03-02 | rnd2 | typeStandard | result1 | ||
| OpponentMulamattathil, R (Raynah) | OpponentNienaber, J (Josua) | ||||||||
| # | 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 | Talma ,C (Christiaan) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.6 | 1632.6 | 1197.2 | 1632.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mamphweli ,T (Tshedza) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1151.9 | 1293.6 | 1137.4 | 1293.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Reddy ,KS (Kashen Shivaan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1294.1 | 869.1 | 1280.8 | 869.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mulamattathil ,R (Raynah) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1140.1 | 1565.1 | 1132.2 | 1565.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Sutherland ,K (Kiona) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1229.4 | 1229.4 | 1219.2 | 1229.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Tleane ,M (Molemo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.9 | 705.9 | 1113.2 | 705.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Truscott ,A (Adriaan) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1341.5 | 1341.5 | 1335.5 | 1341.5 | 0 | 0 | 0 | 0 | ||||||
| 8 | Van Wyk ,A (Ame) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1180.1 | 1605.1 | 1175.5 | 1605.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Pillay ,Y (Yishai) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1449.6 | 1874.6 | 1437 | 1874.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Seloana ,K (Kamogelo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1264 | 1689 | 1278.5 | 1689 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|