PLAYER PAGE
Personal
Van Rooyen, J (John-Pierre)
Chess SA id
1070114718FIDE id
?Date of birth
2007-09-14 (U20)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-08-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Raw rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Weighted rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 705.8 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 168.2 | 165.8 | 183.8 | 165.8 |
| Highest rating | 1205.82019-06-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1205.82019-06-01 | 12002024-02-01 | 12002018-02-01 | 12002024-02-01 |
| Highest weighted rating | 1205.82021-05-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002024-02-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Analysis | ||||
| Rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Raw rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Weighted rating | 1189.8 | 1200 | 1127.6 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 705.8 | 700 | 700 | 700 |
| Max/Min rating change allowed | 168.2 | 165.8 | 183.8 | 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 | 1189.8 | 1200 | 1127.6 | 1200 |
| New weighted rating | 1189.8 | 1200 | 1127.6 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1189.8 | 1200 | 1127.6 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1189.8 | 1200 | 1127.6 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 705.8 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 15 | 0 | 15 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| 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 | 15 | 8.5 | 56.67 | 56.7 | 1078.2 | 1134.8 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 15 | 8.5 | 56.67 | 56.7 | 1078.2 | 1134.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-09-30 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-09-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-08-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-07-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-06-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-05-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-04-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-03-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-02-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2025-01-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-12-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-11-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-10-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-09-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-08-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-07-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-09-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-05-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-04-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-03-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-02-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2024-01-01 | 1189.8 | 1200 | 1127.6 | 1200 |
| 2023-12-01 | 1189.8 | 1200 | 1127.6 | 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 | Mpumalanga Finaal 2022 (O19) | 2022-08-22 | 2022-08-22 | Rapid | Gert Sibande (MGS) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | Gert Sibande Laerskole Finaal 2019 (O13) | 2019-08-02 | 2019-08-02 | Rapid | Gert Sibande (MGS) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2019 Super 12 Laerskole (Seniors) | 2019-05-04 | 2019-05-04 | Rapid | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGert Sibande Laerskole Finaal 2019 | TournamentGert Sibande Laerskole Finaal 2019 | ||||||
| date2019-08-02 | rnd2 | typeRapid | result1 | date2019-08-02 | rnd4 | typeRapid | result1 | ||
| OpponentKambula, A (Aneu) | OpponentRankhumise, N (Neo) | ||||||||
| 2 | 3 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
| date2019-05-04 | rnd2 | typeRapid | result1 | date2019-05-04 | rnd4 | typeRapid | result1 | ||
| OpponentClark, I (Ivan) | OpponentJanse Van Rensburg, M (Marco) | ||||||||
| 3 | 2 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd2 | typeRapid | result1 | ||
| OpponentDu Preez, R (Rozelle) | OpponentBios, S (Shaniqua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGert Sibande Laerskole Finaal 2019 | TournamentGert Sibande Laerskole Finaal 2019 | ||||||
| date2019-08-02 | rnd2 | typeRapid | result1 | date2019-08-02 | rnd4 | typeRapid | result1 | ||
| OpponentKambula, A (Aneu) | OpponentRankhumise, N (Neo) | ||||||||
| 2 | 3 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
| date2019-05-04 | rnd2 | typeRapid | result1 | date2019-05-04 | rnd4 | typeRapid | result1 | ||
| OpponentClark, I (Ivan) | OpponentJanse Van Rensburg, M (Marco) | ||||||||
| 3 | 2 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd2 | typeRapid | result1 | ||
| OpponentDu Preez, R (Rozelle) | OpponentBios, S (Shaniqua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGert Sibande Laerskole Finaal 2019 | TournamentGert Sibande Laerskole Finaal 2019 | ||||||
| date2019-08-02 | rnd2 | typeRapid | result1 | date2019-08-02 | rnd4 | typeRapid | result1 | ||
| OpponentKambula, A (Aneu) | OpponentRankhumise, N (Neo) | ||||||||
| 2 | 3 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
| date2019-05-04 | rnd2 | typeRapid | result1 | date2019-05-04 | rnd4 | typeRapid | result1 | ||
| OpponentClark, I (Ivan) | OpponentJanse Van Rensburg, M (Marco) | ||||||||
| 3 | 2 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd2 | typeRapid | result1 | ||
| OpponentDu Preez, R (Rozelle) | OpponentBios, S (Shaniqua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGert Sibande Laerskole Finaal 2019 | TournamentGert Sibande Laerskole Finaal 2019 | ||||||
| date2019-08-02 | rnd2 | typeRapid | result1 | date2019-08-02 | rnd4 | typeRapid | result1 | ||
| OpponentKambula, A (Aneu) | OpponentRankhumise, N (Neo) | ||||||||
| 2 | 3 | Tournament2019 Super 12 Laerskole | Tournament2019 Super 12 Laerskole | ||||||
| date2019-05-04 | rnd2 | typeRapid | result1 | date2019-05-04 | rnd4 | typeRapid | result1 | ||
| OpponentClark, I (Ivan) | OpponentJanse Van Rensburg, M (Marco) | ||||||||
| 3 | 2 | TournamentMpumalanga Finaal 2022 | TournamentMpumalanga Finaal 2022 | ||||||
| date2022-08-22 | rnd1 | typeRapid | result1 | date2022-08-22 | rnd2 | typeRapid | result1 | ||
| OpponentDu Preez, R (Rozelle) | OpponentBios, S (Shaniqua) | ||||||||
| # | 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 | Du Preez ,R (Rozelle) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 2 | Dube ,O (Olwethu) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1397.7 | 972.7 | 0 | 0 | 555.2 | 972.7 | 0 | 0 | ||||||
| 3 | Mahlambi ,T (Thando) | 1 | 0.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 713.1 | 713.1 | 0 | 0 | 713.1 | 713.1 | 0 | 0 | ||||||
| 4 | Kambula ,A (Aneu) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 5 | Roux ,D (Dillan) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1206.5 | 781.5 | 0 | 0 | 1200 | 781.5 | 0 | 0 | ||||||
| 6 | Rankhumise ,N (Neo) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 7 | Bios ,S (Shaniqua) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 8 | Janse Van Rensburg ,M (Marco) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1085.2 | 1510.2 | 0 | 0 | 743.6 | 1510.2 | 0 | 0 | ||||||
| 9 | Van Niekerk ,C (Christo) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1235 | 1660 | 0 | 0 | 1258.4 | 1660 | 0 | 0 | ||||||
| 10 | Janse Van Rensburg ,N (Nian) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1075.6 | 650.6 | 0 | 0 | 786.6 | 650.6 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

