PLAYER PAGE
Personal
De Kock, J (Jason)
Chess SA id
106060683FIDE id
?Date of birth
2006-10-24 (U20)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-05-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1315.5 | 1330 | 1200 | 1200 |
| Raw rating | 1315.5 | 1330 | 1200 | 1200 |
| Weighted rating | 1315.5 | 1330 | 1200 | 1200 |
| Weighted performance | 799.6 | 796.8 | 0 | 0 |
| Floor | 815.5 | 832.2 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 140.7 | 137.8 | 165.8 | 165.8 |
| Highest rating | 1315.52024-02-01 | 1332.22023-04-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1315.52024-02-01 | 1332.22023-04-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1315.52025-04-01 | 1332.22025-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1236.62023-05-01 | 1232.52023-05-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1315.5 | 1330 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1315.5 | 1330 | 1200 | 1200 |
| Raw rating | 1315.5 | 1330 | 1200 | 1200 |
| Weighted rating | 1315.5 | 1330 | 1200 | |
| Weighted performance | 799.6 | 796.8 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 815.5 | 832.2 | 700 | 700 |
| Max/Min rating change allowed | 140.7 | 137.8 | 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 | 1315.5 | 1330 | 1200 | 1200 |
| New weighted rating | 1315.5 | 1330 | 1200 | 1200 |
| New weighted performance | 791.5 | 788.7 | 0 | 0 |
| Temp new rating | 1315.5 | 1330 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1315.5 | 1330 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 815.5 | 832.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 35 | 35 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 25 | 18 | 72 | 187 | 1159.1 | 1346.1 |
| Standard | 25 | 18 | 72 | 187 | 1159.1 | 1346.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-09-30 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-09-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-08-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-07-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-06-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-05-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-04-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-03-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-02-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2025-01-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-12-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-11-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-10-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-09-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-08-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-07-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-09-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-05-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-04-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-03-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-02-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2024-01-01 | 1315.5 | 1330 | 1200 | 1200 |
| 2023-12-01 | 1315.5 | 1330 | 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 | Gauteng Schools Individual Finals 2023 (U18 Boys) | 2023-05-27 | 2023-05-27 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
| 2 | JNW Open - Crawford 2023 (C) | 2023-03-04 | 2023-03-04 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 5 | Yes | Analysis |
| 3 | JNW Trinityhouse LF 2022 (Contenders) | 2022-03-12 | 2022-03-12 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 4 | 2019 Gauteng School League Finals (U13 Open) | 2019-08-23 | 2019-08-23 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys) | 2019-05-25 | 2019-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Open - Crawford 2023 | ||||||
| date2022-03-12 | rnd3 | typeStandard | result1 | date2023-03-04 | rnd5 | typeStandard | result1 | ||
| OpponentEngelbrecht, R (Robert) | OpponentCilliers, R (Ruben) | ||||||||
| 2 | 3 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd3 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentMdluli, F (Fisokuhle) | OpponentVisi, M (Moloko) | ||||||||
| 3 | 3 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentWilson, P (Petrus Johannes) | OpponentLaeke, N (Nahom) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Open - Crawford 2023 | ||||||
| date2022-03-12 | rnd3 | typeStandard | result1 | date2023-03-04 | rnd5 | typeStandard | result1 | ||
| OpponentEngelbrecht, R (Robert) | OpponentCilliers, R (Ruben) | ||||||||
| 2 | 3 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd3 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentMdluli, F (Fisokuhle) | OpponentVisi, M (Moloko) | ||||||||
| 3 | 3 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentWilson, P (Petrus Johannes) | OpponentLaeke, N (Nahom) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Open - Crawford 2023 | ||||||
| date2022-03-12 | rnd3 | typeStandard | result1 | date2023-03-04 | rnd5 | typeStandard | result1 | ||
| OpponentEngelbrecht, R (Robert) | OpponentCilliers, R (Ruben) | ||||||||
| 2 | 3 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd3 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentMdluli, F (Fisokuhle) | OpponentVisi, M (Moloko) | ||||||||
| 3 | 3 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentWilson, P (Petrus Johannes) | OpponentLaeke, N (Nahom) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentJNW Trinityhouse LF 2022 | TournamentJNW Open - Crawford 2023 | ||||||
| date2022-03-12 | rnd3 | typeStandard | result1 | date2023-03-04 | rnd5 | typeStandard | result1 | ||
| OpponentEngelbrecht, R (Robert) | OpponentCilliers, R (Ruben) | ||||||||
| 2 | 3 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd3 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentMdluli, F (Fisokuhle) | OpponentVisi, M (Moloko) | ||||||||
| 3 | 3 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd4 | typeStandard | result1 | ||
| OpponentWilson, P (Petrus Johannes) | OpponentLaeke, N (Nahom) | ||||||||
| # | 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 | Laeke ,N (Nahom) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1121.9 | 1546.9 | 1151.4 | 1546.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Engelbrecht ,R (Robert) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Calitz ,E (Elisje) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 579.8 | 154.8 | 579.8 | 154.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Sithole ,J (Joyous) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207 | 782 | 1208.4 | 782 | 0 | 0 | 0 | 0 | ||||||
| 5 | Britz ,W (Wian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mahlatsi ,M (Masekane) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Moloi ,K (Kgothatso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1050.8 | 625.8 | 1086.6 | 625.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kokot ,J (James Finnian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Seanego ,K (Kgaugelo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Cilliers ,R (Ruben) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1247.1 | 1672.1 | 1247.1 | 1672.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

