PLAYER PAGE
Personal
Grobler, J (Jurgens)
Chess SA id
1130144081FIDE id
?Date of birth
2013-10-10 (U14)Gender
MaleRegion
Bojanala Platina (NBR)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-09-02Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Raw rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Weighted rating | 1214.4 | 1252 | 1162.8 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 744 | 752 | 701.6 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 162.3 | 154 | 174.6 | 165.8 |
| Highest rating | 1412.62022-07-01 | 1412.82022-07-01 | 1205.82022-10-01 | 12002018-10-01 |
| Highest raw rating | 12442022-10-01 | 12522024-02-01 | 1201.62022-11-01 | 12002024-02-01 |
| Highest weighted rating | 12442023-09-01 | 12522025-02-01 | 1201.62023-09-01 | 12002018-10-01 |
| Highest weighted performance | 1412.62022-07-01 | 1412.82022-07-01 | 1205.82022-10-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Analysis | ||||
| Rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Raw rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Weighted rating | 1214.4 | 1252 | 1162.8 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 744 | 752 | 701.6 | 700 |
| Max/Min rating change allowed | 162.3 | 154 | 174.6 | 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 | 1215.2 | 1252 | 1163.7 | 1200 |
| New weighted rating | 1214.5 | 1252 | 1162.9 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1215.2 | 1252 | 1163.7 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1215.2 | 1252 | 1163.7 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 744 | 752 | 701.6 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 12 | 9 | 3 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 17 | 9 | 8 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Bojanala Platina (NBR) | ||||||||||||||||
| Province | Northwest (NW) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| 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 | 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 | 17 | 8.5 | 50 | 0 | 1220.9 | 1220.9 |
| Standard | 9 | 6 | 66.67 | 141.7 | 1201.7 | 1343.4 |
| Rapid | 8 | 2.5 | 31.25 | -159.4 | 1242.5 | 1083.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-09-30 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-09-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-08-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-07-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-06-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-05-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-04-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-03-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-02-01 | 1215.2 | 1252 | 1163.7 | 1200 |
| 2025-01-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-12-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-11-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-10-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-09-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-08-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-07-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-09-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-05-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-04-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-03-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-02-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2024-01-01 | 1213.1 | 1252 | 1160.9 | 1200 |
| 2023-12-01 | 1213.1 | 1252 | 1160.9 | 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 Final 2023 (U11) | 2023-09-02 | 2023-09-02 | Rapid | Gert Sibande (MGS) | 5 | 5 | 1 | Yes | Analysis |
| 2 | Super 8 Skaak 2022 (Juniors) | 2022-10-15 | 2022-10-15 | Rapid | Bojanala Platina (NBR) | 3 | 3 | 1.5 | Yes | Analysis |
| 3 | Larries The Final Wild Card Tournament 2022 (U10) | 2022-09-17 | 2022-09-17 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
| 4 | Bojanala Chess Federation Clash of Schools 2022 (PS Development Juniors) | 2022-07-23 | 2022-07-23 | Standard | Bojanala Platina (NBR) | 4 | 4 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSuper 8 Skaak 2022 | TournamentMpumalanga Final 2023 | ||||||
| date2022-10-15 | rnd3 | typeRapid | result0.5 | date2023-09-02 | rnd1 | typeRapid | result1 | ||
| OpponentThiart, J (Joe) | OpponentJoubert, A (Armand) | ||||||||
| 2 | 2 | TournamentLarries The Final Wild Card Tournament 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-09-17 | rnd3 | typeStandard | result1 | date2022-09-17 | rnd4 | typeStandard | result1 | ||
| OpponentMusiiwa, C (Carlex) | OpponentGaboutlwelwe, K (Kgosi) | ||||||||
| 3 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-07-23 | rnd4 | typeStandard | result1 | date2022-09-17 | rnd1 | typeStandard | result1 | ||
| OpponentMonedi, R (Reatlegile) | OpponentMotau, N (Neelo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentLarries The Final Wild Card Tournament 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-09-17 | rnd3 | typeStandard | result1 | date2022-09-17 | rnd4 | typeStandard | result1 | ||
| OpponentMusiiwa, C (Carlex) | OpponentGaboutlwelwe, K (Kgosi) | ||||||||
| 2 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-07-23 | rnd4 | typeStandard | result1 | date2022-09-17 | rnd1 | typeStandard | result1 | ||
| OpponentMonedi, R (Reatlegile) | OpponentMotau, N (Neelo) | ||||||||
| 3 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentBojanala Chess Federation Clash of Schools 2022 | ||||||
| date2022-07-23 | rnd1 | typeStandard | result1 | date2022-07-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Preez, B (Bg) | OpponentMafuya, L (Lunga) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSuper 8 Skaak 2022 | TournamentMpumalanga Final 2023 | ||||||
| date2022-10-15 | rnd3 | typeRapid | result0.5 | date2023-09-02 | rnd1 | typeRapid | result1 | ||
| OpponentThiart, J (Joe) | OpponentJoubert, A (Armand) | ||||||||
| 2 | 1 | TournamentSuper 8 Skaak 2022 | TournamentSuper 8 Skaak 2022 | ||||||
| date2022-10-15 | rnd1 | typeRapid | result1 | date2022-10-15 | rnd1 | typeRapid | result1 | ||
| OpponentSomers, A (Addyson) | OpponentSomers, A (Addyson) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentLarries The Final Wild Card Tournament 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-09-17 | rnd3 | typeStandard | result1 | date2022-09-17 | rnd4 | typeStandard | result1 | ||
| OpponentMusiiwa, C (Carlex) | OpponentGaboutlwelwe, K (Kgosi) | ||||||||
| 2 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-07-23 | rnd4 | typeStandard | result1 | date2022-09-17 | rnd1 | typeStandard | result1 | ||
| OpponentMonedi, R (Reatlegile) | OpponentMotau, N (Neelo) | ||||||||
| 3 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentBojanala Chess Federation Clash of Schools 2022 | ||||||
| date2022-07-23 | rnd1 | typeStandard | result1 | date2022-07-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Preez, B (Bg) | OpponentMafuya, L (Lunga) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentLarries The Final Wild Card Tournament 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-09-17 | rnd3 | typeStandard | result1 | date2022-09-17 | rnd4 | typeStandard | result1 | ||
| OpponentMusiiwa, C (Carlex) | OpponentGaboutlwelwe, K (Kgosi) | ||||||||
| 2 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentLarries The Final Wild Card Tournament 2022 | ||||||
| date2022-07-23 | rnd4 | typeStandard | result1 | date2022-09-17 | rnd1 | typeStandard | result1 | ||
| OpponentMonedi, R (Reatlegile) | OpponentMotau, N (Neelo) | ||||||||
| 3 | 2 | TournamentBojanala Chess Federation Clash of Schools 2022 | TournamentBojanala Chess Federation Clash of Schools 2022 | ||||||
| date2022-07-23 | rnd1 | typeStandard | result1 | date2022-07-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Preez, B (Bg) | OpponentMafuya, L (Lunga) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentMpumalanga Final 2023 | TournamentMpumalanga Final 2023 | ||||||
| date2023-09-02 | rnd1 | typeRapid | result1 | date2023-09-02 | rnd1 | typeRapid | result1 | ||
| OpponentJoubert, A (Armand) | OpponentJoubert, A (Armand) | ||||||||
| 2 | 1 | TournamentSuper 8 Skaak 2022 | TournamentSuper 8 Skaak 2022 | ||||||
| date2022-10-15 | rnd1 | typeRapid | result1 | date2022-10-15 | rnd1 | typeRapid | result1 | ||
| OpponentSomers, A (Addyson) | OpponentSomers, A (Addyson) | ||||||||
| # | 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 | Monedi ,R (Reatlegile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1165.2 | 1590.2 | 1158.8 | 1590.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mogomotsi ,G (Gofaone) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1240.7 | 815.7 | 1248.7 | 815.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Musiiwa ,C (Carlex) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.1 | 1591.1 | 1159.2 | 1591.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Motau ,N (Neelo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1259.1 | 1684.1 | 1266.1 | 1684.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Locherenberg ,J (Jason) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1192.6 | 767.6 | 1200 | 767.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mafuya ,L (Lunga) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Gaboutlwelwe ,K (Kgosi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.4 | 1626.4 | 1203.2 | 1626.4 | 0 | 0 | 0 | 0 | ||||||
| 8 | Netangaheni ,N (Ndiene) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1190 | 765 | 1183.1 | 765 | 0 | 0 | 0 | 0 | ||||||
| 9 | Du Preez ,B (Bg) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mthiyane ,K (Khanya) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

