PLAYER PAGE
Personal
Van Zijl, J (Joane)
Chess SA id
2130157321FIDE id
?Date of birth
2013-04-25 (U14)Gender
FemaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-10Personal details last changed
1900-01-01Junior GPX Games
39Junior GPX Points
1235.1| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1265.2 | 1264.3 | 1200 | 1200 |
| Raw rating | 1256.9 | 1256.8 | 1200 | 1200 |
| Weighted rating | 1150.1 | 1140.9 | 1200 | 1200 |
| Weighted performance | 1265.2 | 1264.3 | 0 | 0 |
| Floor | 756.9 | 756.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 152.9 | 152.9 | 165.8 | 165.8 |
| Highest rating | 1278.12025-09-01 | 1277.22025-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1256.92025-09-01 | 1256.82025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1278.12025-09-01 | 1277.22025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -0.4 | -0.4 | 0 | 0 |
| New rating | 1264.8 | 1263.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1265.2 | 1264.3 | 1200 | 1200 |
| Raw rating | 1256.9 | 1256.8 | 1200 | 1200 |
| Weighted rating | 1150.1 | 1140.9 | 1200 | |
| Weighted performance | 1265.2 | 1264.3 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 756.9 | 756.8 | 700 | 700 |
| Max/Min rating change allowed | 152.9 | 152.9 | 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 | 1256.9 | 1256.8 | 1200 | 1200 |
| New weighted rating | 1159.2 | 1150.9 | 1200 | 1200 |
| New weighted performance | 1264.8 | 1263.9 | 0 | 0 |
| Temp new rating | 1264.8 | 1263.9 | 1200 | 1200 |
| Temp new rating +/- | -0.4 | -0.4 | 0 | 0 |
| Final new rating +/- | -0.4 | -0.4 | 0 | 0 |
| New rating | 1264.8 | 1263.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 756.9 | 756.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 39 | 39 | 0 | 0 | |
| 17 | 17 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 61 | 61 | 0 | 0 |
| Games since | |||||||||||||||||
| Main56 | Standard56 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3485 | 1142 | 321 | ||||||||||||||
| Female | 758 | 241 | 57 | ||||||||||||||
| U14 | 653 | 208 | 50 | ||||||||||||||
| U14 Female | 171 | 52 | 13 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 3389 | 1208 | 317 | ||||||||||||||
| Female | 747 | 258 | 57 | ||||||||||||||
| U14 | 649 | 221 | 51 | ||||||||||||||
| U14 Female | 175 | 56 | 13 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -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 | 39 | 18.5 | 47.44 | -21.8 | 1241.9 | 1220.1 |
| Standard | 39 | 18.5 | 47.44 | -21.8 | 1241.9 | 1220.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 61 | 24 | 39.34 | -90.6 | 1228.7 | 1138.1 |
| Standard | 61 | 24 | 39.34 | -90.6 | 1228.7 | 1138.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1256.9 | 1256.8 | 1200 | 1200 |
| 2025-09-01 | 1256.9 | 1256.8 | 1200 | 1200 |
| 2025-08-01 | 1243.3 | 1242.3 | 1200 | 1200 |
| 2025-07-01 | 1188 | 1191 | 1200 | 1200 |
| 2025-06-01 | 1150.2 | 1147.3 | 1200 | 1200 |
| 2025-05-01 | 1115.6 | 1102.4 | 1200 | 1200 |
| 2025-04-01 | 1141.6 | 1139.5 | 1200 | 1200 |
| 2025-03-01 | 1141.6 | 1139.5 | 1200 | 1200 |
| 2025-02-01 | 1116.8 | 1102.1 | 1200 | 1200 |
| 2025-01-01 | 1079.1 | 1061.3 | 1200 | 1200 |
| 2024-12-01 | 1079.1 | 1061.3 | 1200 | 1200 |
| 2024-11-01 | 1079.1 | 1061.3 | 1200 | 1200 |
| 2024-10-01 | 1079.1 | 1061.3 | 1200 | 1200 |
| 2024-09-01 | 1063 | 1036.5 | 1200 | 1200 |
| 2024-08-01 | 1063 | 1036.5 | 1200 | 1200 |
| 2024-07-01 | 1063 | 1036.5 | 1200 | 1200 |
| 2024-06-01 | 1100.1 | 1079 | 1200 | 1200 |
| 2024-08-01 | 1159 | 1149.6 | 1200 | 1200 |
| 2024-04-01 | 1159 | 1149.6 | 1200 | 1200 |
| 2024-03-01 | 1159 | 1149.6 | 1200 | 1200 |
| 2024-02-01 | 1159 | 1149.6 | 1200 | 1200 |
| 2024-01-01 | 1192.5 | 1189.6 | 1200 | 1200 |
| 2023-12-01 | 1192.5 | 1189.6 | 1200 | 1200 |
| 2023-11-01 | 1192.5 | 1189.6 | 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 | JMC Closed 2025 (U14) | 2025-08-09 | 2025-08-10 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 2 | JMC - Trinity Randpark Ridge 2025 (D) | 2025-07-26 | 2025-07-26 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 3 | South African Open 2025 (U14 Girls) | 2025-07-03 | 2025-07-05 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2025 Jacaranda Round Robin Open Chess Tournament (R) | 2025-06-21 | 2025-06-21 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 5 | JMC Crawford Sandton 2025 (D) | 2025-05-10 | 2025-05-10 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 6 | 2025 Mid Gauteng Open Chess Tournament (D) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 7 | MCA Welcome 2025 (Junior) | 2025-02-15 | 2025-02-15 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | JMC Kick Off 2025 (Female) | 2025-02-02 | 2025-02-02 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | JMC Closed 2025 (U14) | 2025-08-09 | 2025-08-10 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 2 | JMC - Trinity Randpark Ridge 2025 (D) | 2025-07-26 | 2025-07-26 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 3 | South African Open 2025 (U14 Girls) | 2025-07-03 | 2025-07-05 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2025 Jacaranda Round Robin Open Chess Tournament (R) | 2025-06-21 | 2025-06-21 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 5 | JMC Crawford Sandton 2025 (D) | 2025-05-10 | 2025-05-10 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 6 | 2025 Mid Gauteng Open Chess Tournament (D) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 7 | MCA Welcome 2025 (Junior) | 2025-02-15 | 2025-02-15 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | JMC Kick Off 2025 (Female) | 2025-02-02 | 2025-02-02 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 9 | Gauteng Schools Individuals Finals 2024 (U11 Girls) | 2024-08-16 | 2024-08-16 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 10 | JMC Trinityhouse Little Falls 2024 (D) | 2024-06-02 | 2024-06-02 | Standard | Johannesburg Metro (GJM) | 5 | 3 | 0 | Yes | Analysis |
| 11 | JMC Helpmekaar Kollege Tournament 2024 (D) | 2024-05-04 | 2024-05-04 | Standard | Johannesburg Metro (GJM) | 5 | 4 | 0 | Yes | Analysis |
| 12 | JMC Kick Off Tournament 2024 (D) | 2024-01-28 | 2024-01-28 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1.5 | Yes | Analysis |
| 13 | JNW Open - Trinityhouse Little Falls 2023 (C) | 2023-06-24 | 2023-06-24 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Crawford Sandton 2025 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-05-10 | rnd4 | typeStandard | result1 | date2025-06-21 | rnd2 | typeStandard | result1 | ||
| OpponentPatel, B (Bhaveer) | OpponentMontsho, R (Reatlegile Motlogelwa Pra) | ||||||||
| 2 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC Closed 2025 | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-08-09 | rnd1 | typeStandard | result1 | ||
| OpponentTshaka, K (Khalima) | OpponentGupta, A (Akul) | ||||||||
| 3 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC - Trinity Randpark Ridge 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentChikwava, R (Ronald) | OpponentGanasen, S (Sahaan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Crawford Sandton 2025 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-05-10 | rnd4 | typeStandard | result1 | date2025-06-21 | rnd2 | typeStandard | result1 | ||
| OpponentPatel, B (Bhaveer) | OpponentMontsho, R (Reatlegile Motlogelwa Pra) | ||||||||
| 2 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC Closed 2025 | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-08-09 | rnd1 | typeStandard | result1 | ||
| OpponentTshaka, K (Khalima) | OpponentGupta, A (Akul) | ||||||||
| 3 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC - Trinity Randpark Ridge 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentChikwava, R (Ronald) | OpponentGanasen, S (Sahaan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Crawford Sandton 2025 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-05-10 | rnd4 | typeStandard | result1 | date2025-06-21 | rnd2 | typeStandard | result1 | ||
| OpponentPatel, B (Bhaveer) | OpponentMontsho, R (Reatlegile Motlogelwa Pra) | ||||||||
| 2 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC Closed 2025 | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-08-09 | rnd1 | typeStandard | result1 | ||
| OpponentTshaka, K (Khalima) | OpponentGupta, A (Akul) | ||||||||
| 3 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC - Trinity Randpark Ridge 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentChikwava, R (Ronald) | OpponentGanasen, S (Sahaan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Crawford Sandton 2025 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-05-10 | rnd4 | typeStandard | result1 | date2025-06-21 | rnd2 | typeStandard | result1 | ||
| OpponentPatel, B (Bhaveer) | OpponentMontsho, R (Reatlegile Motlogelwa Pra) | ||||||||
| 2 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC Closed 2025 | ||||||
| date2025-07-26 | rnd5 | typeStandard | result1 | date2025-08-09 | rnd1 | typeStandard | result1 | ||
| OpponentTshaka, K (Khalima) | OpponentGupta, A (Akul) | ||||||||
| 3 | 2 | TournamentJMC - Trinity Randpark Ridge 2025 | TournamentJMC - Trinity Randpark Ridge 2025 | ||||||
| date2025-07-26 | rnd2 | typeStandard | result1 | date2025-07-26 | rnd3 | typeStandard | result1 | ||
| OpponentChikwava, R (Ronald) | OpponentGanasen, S (Sahaan) | ||||||||
| # | 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 | Prakash ,M (Maisha) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1214.2 | 1639.2 | 1210.5 | 1639.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Gokool ,N (Nishka) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1341.1 | 916.1 | 1330.1 | 916.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Thakur ,Y (Yuv) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1435.7 | 1010.7 | 1427.2 | 1010.7 | 0 | 0 | 0 | 0 | ||||||
| 4 | Chikwava ,R (Ronald) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1039.9 | 1039.9 | 1055.4 | 1039.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Setlhodi ,O (Ofentse) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1148.5 | 1573.5 | 1142.8 | 1573.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Nathan ,A (Amira) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.7 | 782.7 | 1225.4 | 782.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Vendidandi ,CK (Chaitanya Kartik) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1133.2 | 708.2 | 1118 | 708.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Patel ,B (Bhaveer) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.4 | 1609.4 | 1200 | 1609.4 | 0 | 0 | 0 | 0 | ||||||
| 9 | Molefe ,T (Tshegofatso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1360.9 | 935.9 | 1367.6 | 935.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Luo ,Y (Yichen) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1226.6 | 801.6 | 1227.4 | 801.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|