PLAYER PAGE
Personal
Du Preez, J (Jody)
Chess SA id
1130156835FIDE id
534009337Date of birth
2013-10-29 (U14)Gender
MaleRegion
Pixley-ka-Seme (NCP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-12-20Personal details last changed
2025-02-12Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1398.6 | 1396 | 1200 | 1200 |
| Raw rating | 1397.4 | 1394.8 | 1200 | 1200 |
| Weighted rating | 1300 | 1298.5 | 1200 | 1200 |
| Weighted performance | 1398.6 | 1396 | 0 | 0 |
| Floor | 897.4 | 894.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 125.2 | 125.6 | 165.8 | 165.8 |
| Highest rating | 1398.62026-01-01 | 13962026-01-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1397.42026-01-01 | 1394.82026-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1334.32018-10-01 | 1337.72018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1398.62026-01-01 | 13962026-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -1.1 | -1.2 | 0 | 0 |
| New rating | 1397.4 | 1394.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1398.6 | 1396 | 1200 | 1200 |
| Raw rating | 1397.4 | 1394.8 | 1200 | 1200 |
| Weighted rating | 1300 | 1298.5 | 1200 | |
| Weighted performance | 1398.6 | 1396 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 897.4 | 894.8 | 700 | 700 |
| Max/Min rating change allowed | 125.2 | 125.6 | 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 | 1397.4 | 1394.8 | 1200 | 1200 |
| New weighted rating | 1311.6 | 1310.2 | 1200 | 1200 |
| New weighted performance | 1389.3 | 1386.7 | 0 | 0 |
| Temp new rating | 1397.4 | 1394.8 | 1200 | 1200 |
| Temp new rating +/- | -1.1 | -1.2 | 0 | 0 |
| Final new rating +/- | -1.1 | -1.2 | 0 | 0 |
| New rating | 1397.4 | 1394.8 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 897.4 | 894.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 25 | 25 | 0 | 0 | |
| 31 | 31 | 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 | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Pixley-ka-Seme (NCP) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2709 | 66 | 14 | ||||||||||||||
| Male | 2170 | 51 | 12 | ||||||||||||||
| U14 | 477 | 9 | 3 | ||||||||||||||
| U14 Male | 353 | 7 | 3 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2605 | 82 | 16 | ||||||||||||||
| Male | 2087 | 64 | 14 | ||||||||||||||
| U14 | 453 | 11 | 3 | ||||||||||||||
| U14 Male | 332 | 9 | 3 | ||||||||||||||
| 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 | 25 | 15 | 60 | 85 | 1305.1 | 1390.1 |
| Standard | 25 | 15 | 60 | 85 | 1305.1 | 1390.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 61 | 31.5 | 51.64 | 13.9 | 1262.7 | 1276.7 |
| Standard | 61 | 31.5 | 51.64 | 13.9 | 1262.7 | 1276.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1397.4 | 1394.8 | 1200 | 1200 |
| 2025-11-30 | 1351.3 | 1353.4 | 1200 | 1200 |
| 2025-11-01 | 1351.3 | 1353.4 | 1200 | 1200 |
| 2025-09-30 | 1351.3 | 1353.4 | 1200 | 1200 |
| 2025-09-01 | 1351.3 | 1353.4 | 1200 | 1200 |
| 2025-08-01 | 1334.3 | 1337.7 | 1200 | 1200 |
| 2025-07-01 | 1334.3 | 1337.7 | 1200 | 1200 |
| 2025-06-01 | 1334.3 | 1337.7 | 1200 | 1200 |
| 2025-05-01 | 1301.2 | 1298.1 | 1200 | 1200 |
| 2025-04-01 | 1280.9 | 1272.7 | 1200 | 1200 |
| 2025-03-01 | 1280.9 | 1272.7 | 1200 | 1200 |
| 2025-02-01 | 1280.9 | 1272.7 | 1200 | 1200 |
| 2025-01-01 | 1280.9 | 1272.7 | 1200 | 1200 |
| 2024-12-01 | 1251.4 | 1250.7 | 1200 | 1200 |
| 2024-11-01 | 1251.4 | 1250.7 | 1200 | 1200 |
| 2024-10-01 | 1178.8 | 1177 | 1200 | 1200 |
| 2024-09-01 | 1178.8 | 1177 | 1200 | 1200 |
| 2024-11-01 | 1135.6 | 1128.4 | 1200 | 1200 |
| 2024-07-01 | 1143.8 | 1137.4 | 1200 | 1200 |
| 2024-06-01 | 1143.8 | 1137.4 | 1200 | 1200 |
| 2024-05-01 | 1143.8 | 1137.4 | 1200 | 1200 |
| 2024-04-01 | 1129.5 | 1117.2 | 1200 | 1200 |
| 2024-03-01 | 1129.5 | 1117.2 | 1200 | 1200 |
| 2024-02-01 | 1129.5 | 1117.2 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mzansi Individual Championships (U14 Open) | 2025-12-17 | 2025-12-20 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3.5 | Yes | Analysis |
| 2 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | 2025-12-15 | 2025-12-17 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2 | Yes | Analysis |
| 3 | Northern Cape Closed 202 (U14 Open) | 2025-08-22 | 2025-08-23 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 4 | Yes | Analysis |
| 4 | De Aar Primary School 2025 (U12) | 2025-08-16 | 2025-08-16 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | Hopetown Schools Open 2025 (U13) | 2025-08-01 | 2025-08-01 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 6 | Spartan Bishops Championships Elite 2025 (U14) | 2025-05-23 | 2025-05-25 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 7 | 2025 Frances Baard Schools Open IV (U13) | 2025-04-17 | 2025-04-17 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 8 | 2025 HSDA School Chess Tournament (U13) | 2025-02-08 | 2025-02-08 | Standard | Pixley-ka-Seme (NCP) | 5 | 0 | 0 | No | Analysis |
| 9 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) | 2024-12-16 | 2024-12-19 | Standard | Capricorn (LCP) | 7 | 7 | 3.5 | Yes | Analysis |
| 10 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 2024-10-12 | 2024-10-12 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 11 | Hopetown Schools Chess Tournament 2024 (U11) | 2024-08-17 | 2024-08-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
| 12 | 2024 NC Closed Chess Championships (U12 Open) | 2024-08-23 | 2024-08-25 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 13 | 2024 HSDA Open 3 (U11) | 2024-07-27 | 2024-07-27 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 1.5 | Yes | Analysis |
| 14 | 2024 HSDA Schools Tournament II (U9+U11) | 2024-04-13 | 2024-04-13 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 15 | Hopetown School Chess Open Tournament 2023 (U11+U13) | 2023-05-06 | 2023-05-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 0.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 NC Closed Chess Championships | Tournament2024 Hopetown Schools Chess Tournament | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2024-10-12 | rnd3 | typeStandard | result0.5 | ||
| OpponentFourie, M (Markus) | OpponentDe Kock, M (Micah) | ||||||||
| 2 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | Tournament2025 Frances Baard Schools Open IV | ||||||
| date2024-12-18 | rnd5 | typeStandard | result1 | date2025-04-17 | rnd1 | typeStandard | result1 | ||
| OpponentCason, D (Daniel) | OpponentSebolai, A (Amogelang) | ||||||||
| 3 | 3 | Tournament2024 HSDA Schools Tournament II | Tournament2024 HSDA Schools Tournament II | ||||||
| date2024-04-13 | rnd2 | typeStandard | result0.5 | date2024-04-13 | rnd4 | typeStandard | result1 | ||
| OpponentOberholzer, B (Benji) | OpponentMahapa, L (Lesedi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 NC Closed Chess Championships | Tournament2024 Hopetown Schools Chess Tournament | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2024-10-12 | rnd3 | typeStandard | result0.5 | ||
| OpponentFourie, M (Markus) | OpponentDe Kock, M (Micah) | ||||||||
| 2 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | Tournament2025 Frances Baard Schools Open IV | ||||||
| date2024-12-18 | rnd5 | typeStandard | result1 | date2025-04-17 | rnd1 | typeStandard | result1 | ||
| OpponentCason, D (Daniel) | OpponentSebolai, A (Amogelang) | ||||||||
| 3 | 3 | Tournament2024 HSDA Schools Tournament II | Tournament2024 HSDA Schools Tournament II | ||||||
| date2024-04-13 | rnd2 | typeStandard | result0.5 | date2024-04-13 | rnd4 | typeStandard | result1 | ||
| OpponentOberholzer, B (Benji) | OpponentMahapa, L (Lesedi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | Tournament2025 Frances Baard Schools Open IV | ||||||
| date2024-12-18 | rnd5 | typeStandard | result1 | date2025-04-17 | rnd1 | typeStandard | result1 | ||
| OpponentCason, D (Daniel) | OpponentSebolai, A (Amogelang) | ||||||||
| 2 | 4 | Tournament2024 NC Closed Chess Championships | Tournament2024 Hopetown Schools Chess Tournament | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2024-10-12 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, M (Markus) | OpponentFischer, C (Calinke) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-23 | rnd4 | typeStandard | result1 | date2025-08-23 | rnd5 | typeStandard | result1 | ||
| OpponentNkosi, H (Hlelo) | OpponentMotsoane, I (Isaac) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentMzansi Interprovincial Youth Chess Championships 2024 | Tournament2025 Frances Baard Schools Open IV | ||||||
| date2024-12-18 | rnd5 | typeStandard | result1 | date2025-04-17 | rnd1 | typeStandard | result1 | ||
| OpponentCason, D (Daniel) | OpponentSebolai, A (Amogelang) | ||||||||
| 2 | 4 | Tournament2024 NC Closed Chess Championships | Tournament2024 Hopetown Schools Chess Tournament | ||||||
| date2024-08-24 | rnd4 | typeStandard | result1 | date2024-10-12 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, M (Markus) | OpponentFischer, C (Calinke) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-23 | rnd4 | typeStandard | result1 | date2025-08-23 | rnd5 | typeStandard | result1 | ||
| OpponentNkosi, H (Hlelo) | OpponentMotsoane, I (Isaac) | ||||||||
| # | 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 | De Kock ,M (Micah) | 5 | 1.5 | -170 | 5 | 1.5 | -170 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1254.1 | 1084.1 | 1253.2 | 1084.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Fourie ,M (Markus) | 4 | 3 | 212.5 | 4 | 3 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1162.3 | 1374.8 | 1157.3 | 1374.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Zyl ,J (Johanna) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1083.7 | 1296.2 | 1075 | 1296.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Biko ,L (Lihlumile) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1159.3 | 1371.8 | 1159.1 | 1371.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | De Noon ,SJ (Stian Johanco) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1258.7 | 833.7 | 1257.7 | 833.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Kanjee ,V (Viyaash) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1501.6 | 1501.6 | 1498.8 | 1501.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Finck ,LS (Lynden Shikamaru) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1292.8 | 1292.8 | 1290.4 | 1292.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Fuzani ,Z (Zamuthando) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1208.8 | 1633.8 | 1210 | 1633.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Heyns ,R (Rashnique) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1231.3 | 806.3 | 1232.9 | 806.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Oberholzer ,B (Benji) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1155.5 | 1155.5 | 1144.9 | 1155.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|