PLAYER PAGE
Personal
Pretorius, J (Johannes)
Chess SA id
1120146484FIDE id
?Date of birth
2012-12-26 (U14)Gender
MaleRegion
Pixley-ka-Seme (NCP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-01Personal details last changed
2025-02-12Junior GPX Games
24Junior GPX Points
1202.1| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1177.3 | 1177.5 | 1200 | 1200 |
| Raw rating | 1176.1 | 1174.8 | 1200 | 1200 |
| Weighted rating | 1177.3 | 1177.5 | 1200 | 1200 |
| Weighted performance | 1083.1 | 1080 | 0 | 0 |
| Floor | 733.3 | 742.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 171.6 | 171.9 | 165.8 | 165.8 |
| Highest rating | 1315.32023-02-01 | 1322.22023-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1233.32023-03-01 | 1242.82023-03-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1233.32023-05-01 | 1242.82023-05-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1315.32023-02-01 | 1322.22023-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.3 | 0.3 | 0 | 0 |
| New rating | 1177.7 | 1177.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1177.3 | 1177.5 | 1200 | 1200 |
| Raw rating | 1176.1 | 1174.8 | 1200 | 1200 |
| Weighted rating | 1177.3 | 1177.5 | 1200 | |
| Weighted performance | 1083.1 | 1080 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 733.3 | 742.8 | 700 | 700 |
| Max/Min rating change allowed | 171.6 | 171.9 | 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 | 1176.1 | 1174.8 | 1200 | 1200 |
| New weighted rating | 1177.7 | 1177.8 | 1200 | 1200 |
| New weighted performance | 1076.2 | 1073.2 | 0 | 0 |
| Temp new rating | 1177.7 | 1177.8 | 1200 | 1200 |
| Temp new rating +/- | 0.3 | 0.3 | 0 | 0 |
| Final new rating +/- | 0.3 | 0.3 | 0 | 0 |
| New rating | 1177.7 | 1177.8 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 733.3 | 742.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 33 | 33 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 63 | 63 | 0 | 0 |
| Games since | |||||||||||||||||
| Main48 | Standard48 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Pixley-ka-Seme (NCP) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 4263 | 111 | 30 | ||||||||||||||
| Male | 3162 | 79 | 21 | ||||||||||||||
| U14 | 844 | 16 | 7 | ||||||||||||||
| U14 Male | 584 | 12 | 6 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4225 | 149 | 34 | ||||||||||||||
| Male | 3129 | 112 | 24 | ||||||||||||||
| U14 | 838 | 25 | 7 | ||||||||||||||
| U14 Male | 573 | 20 | 5 | ||||||||||||||
| 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 | 15 | 6.5 | 43.33 | -56.7 | 1261.9 | 1205.2 |
| Standard | 15 | 6.5 | 43.33 | -56.7 | 1261.9 | 1205.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 63 | 27.5 | 43.65 | -54 | 1213.9 | 1160 |
| Standard | 63 | 27.5 | 43.65 | -54 | 1213.9 | 1160 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1176.1 | 1174.8 | 1200 | 1200 |
| 2025-09-30 | 1176.1 | 1174.8 | 1200 | 1200 |
| 2025-09-01 | 1176.1 | 1174.8 | 1200 | 1200 |
| 2025-08-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-07-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-06-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-05-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-04-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-03-01 | 1201.1 | 1205.4 | 1200 | 1200 |
| 2025-02-01 | 1161.1 | 1158.6 | 1200 | 1200 |
| 2025-01-01 | 1159.7 | 1155.8 | 1200 | 1200 |
| 2024-12-01 | 1159.7 | 1155.8 | 1200 | 1200 |
| 2024-11-01 | 1159.7 | 1155.8 | 1200 | 1200 |
| 2024-10-01 | 1163.6 | 1167.3 | 1200 | 1200 |
| 2024-09-01 | 1163.6 | 1167.3 | 1200 | 1200 |
| 2024-08-01 | 1135.3 | 1129.1 | 1200 | 1200 |
| 2024-07-01 | 1131.1 | 1124.4 | 1200 | 1200 |
| 2024-09-01 | 1131.1 | 1124.4 | 1200 | 1200 |
| 2024-05-01 | 1131.1 | 1124.4 | 1200 | 1200 |
| 2024-04-01 | 1178 | 1176.6 | 1200 | 1200 |
| 2024-03-01 | 1178 | 1176.6 | 1200 | 1200 |
| 2024-02-01 | 1178 | 1176.6 | 1200 | 1200 |
| 2024-01-01 | 1178 | 1176.6 | 1200 | 1200 |
| 2023-12-01 | 1178 | 1176.6 | 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 | Hopetown Schools Open 2025 (U13) | 2025-08-01 | 2025-08-01 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | Hopetown Schools Chess Tournament 2025 (U13-U19) | 2025-02-22 | 2025-02-22 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 HSDA School Chess Tournament (U13) | 2025-02-08 | 2025-02-08 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hopetown Schools Open 2025 (U13) | 2025-08-01 | 2025-08-01 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | Hopetown Schools Chess Tournament 2025 (U13-U19) | 2025-02-22 | 2025-02-22 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2025 HSDA School Chess Tournament (U13) | 2025-02-08 | 2025-02-08 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2024 Hopetown Schools Chess Tournament (U13) | 2024-10-12 | 2024-10-12 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 1 | Yes | Analysis |
| 5 | 2024 Frances Baard Open 6.0 (C) | 2024-10-05 | 2024-10-05 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Hopetown Schools Chess Tournament 2024 (U13) | 2024-08-17 | 2024-08-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 7 | 2024 NC Closed Chess Championships (U14 Open) | 2024-08-23 | 2024-08-25 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 8 | 2024 HSDA Open 3 (U13) | 2024-07-27 | 2024-07-27 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 2 | Yes | Analysis |
| 9 | Hopetown Open Chess Tournament 2024 (U14+U16) | 2024-04-20 | 2024-04-20 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13) | 2024-04-06 | 2024-04-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 1 | Yes | Analysis |
| 11 | Hopetown School Chess Open Tournament 2023 (U11+U13) | 2023-05-06 | 2023-05-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 1 | Yes | Analysis |
| 12 | Hopetown Schools Chess Open Tournament 2023 (U11) | 2023-02-25 | 2023-02-25 | Standard | John Taolo Gaetswewe (NCJ) | 5 | 5 | 4 | Yes | Analysis |
| 13 | Pixley Chess Trials 2022 (U12) | 2022-09-03 | 2022-09-03 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentPixley Chess Trials 2022 | TournamentHopetown Schools Chess Open Tournament 2023 | ||||||
| date2022-09-03 | rnd5 | typeStandard | result1 | date2023-02-25 | rnd3 | typeStandard | result1 | ||
| OpponentPringle, J (John-Lucas) | OpponentLinks, C (Christiano) | ||||||||
| 2 | 3 | Tournament2024 Frances Baard Open 6.0 | Tournament2024 Frances Baard Open 6.0 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-10-05 | rnd5 | typeStandard | result1 | ||
| OpponentMeyer, J (Jakoba) | OpponentMjandana, O (Olereko) | ||||||||
| 3 | 3 | Tournament2024 HSDA Open 3 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-07-27 | rnd4 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentMatekwe, E (Elsa) | Opponentvan Heerden, A (Ashmilla) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentPixley Chess Trials 2022 | TournamentHopetown Schools Chess Open Tournament 2023 | ||||||
| date2022-09-03 | rnd5 | typeStandard | result1 | date2023-02-25 | rnd3 | typeStandard | result1 | ||
| OpponentPringle, J (John-Lucas) | OpponentLinks, C (Christiano) | ||||||||
| 2 | 3 | Tournament2024 Frances Baard Open 6.0 | Tournament2024 Frances Baard Open 6.0 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-10-05 | rnd5 | typeStandard | result1 | ||
| OpponentMeyer, J (Jakoba) | OpponentMjandana, O (Olereko) | ||||||||
| 3 | 3 | Tournament2024 HSDA Open 3 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-07-27 | rnd4 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentMatekwe, E (Elsa) | Opponentvan Heerden, A (Ashmilla) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentPixley Chess Trials 2022 | TournamentHopetown Schools Chess Open Tournament 2023 | ||||||
| date2022-09-03 | rnd5 | typeStandard | result1 | date2023-02-25 | rnd3 | typeStandard | result1 | ||
| OpponentPringle, J (John-Lucas) | OpponentLinks, C (Christiano) | ||||||||
| 2 | 3 | Tournament2024 Frances Baard Open 6.0 | Tournament2024 Frances Baard Open 6.0 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-10-05 | rnd5 | typeStandard | result1 | ||
| OpponentMeyer, J (Jakoba) | OpponentMjandana, O (Olereko) | ||||||||
| 3 | 3 | Tournament2024 HSDA Open 3 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-07-27 | rnd4 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentMatekwe, E (Elsa) | Opponentvan Heerden, A (Ashmilla) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentPixley Chess Trials 2022 | TournamentHopetown Schools Chess Open Tournament 2023 | ||||||
| date2022-09-03 | rnd5 | typeStandard | result1 | date2023-02-25 | rnd3 | typeStandard | result1 | ||
| OpponentPringle, J (John-Lucas) | OpponentLinks, C (Christiano) | ||||||||
| 2 | 3 | Tournament2024 Frances Baard Open 6.0 | Tournament2024 Frances Baard Open 6.0 | ||||||
| date2024-10-05 | rnd3 | typeStandard | result1 | date2024-10-05 | rnd5 | typeStandard | result1 | ||
| OpponentMeyer, J (Jakoba) | OpponentMjandana, O (Olereko) | ||||||||
| 3 | 3 | Tournament2024 HSDA Open 3 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-07-27 | rnd4 | typeStandard | result1 | date2024-08-17 | rnd1 | typeStandard | result1 | ||
| OpponentMatekwe, E (Elsa) | Opponentvan Heerden, A (Ashmilla) | ||||||||
| # | 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 | Biko ,L (Lihlumile) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1089 | 1230.6 | 1078.8 | 1230.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Claassen ,D (David Christian) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1172.6 | 747.6 | 1169.2 | 747.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Peters ,R (Roland) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1336.7 | 1336.7 | 1317.2 | 1336.7 | 0 | 0 | 0 | 0 | ||||||
| 4 | De Kock ,M (Micah) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311 | 1311 | 1314 | 1311 | 0 | 0 | 0 | 0 | ||||||
| 5 | Links ,C (Christiano) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1187.2 | 1187.2 | 1187.2 | 1187.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Morai ,T (Tlotlisang) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1247.4 | 822.4 | 1246.7 | 822.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Murphy ,S (Saul) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1427.2 | 1002.2 | 1428.4 | 1002.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Louw ,J (Jason) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1077.9 | 1077.9 | 1066.4 | 1077.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Snyman ,J (Jan) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.5 | 1227.5 | 1234.2 | 1227.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Botha ,A (Ane) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1116.5 | 1116.5 | 1122.8 | 1116.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|