PLAYER PAGE
Personal
Potgieter, J (Jerome Jonathan)
Chess SA id
1070098997FIDE id
?Date of birth
2007-02-25 (U20)Gender
MaleRegion
ZF Mgcawu (NZF)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-06-03Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1010.4 | 996.8 | 1200 | 1200 |
| Raw rating | 1010.4 | 996.8 | 1200 | 1200 |
| Weighted rating | 1010.4 | 996.8 | 1200 | 1200 |
| Weighted performance | 526.8 | 525.9 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 217.2 | 221.5 | 165.8 | 165.8 |
| Highest rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-02-01 | 12002018-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002018-02-01 | 12002018-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1010.4 | 996.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1010.4 | 996.8 | 1200 | 1200 |
| Raw rating | 1010.4 | 996.8 | 1200 | 1200 |
| Weighted rating | 1010.4 | 996.8 | 1200 | |
| Weighted performance | 526.8 | 525.9 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 217.2 | 221.5 | 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 | 1010.4 | 996.8 | 1200 | 1200 |
| New weighted rating | 1010.4 | 996.8 | 1200 | 1200 |
| New weighted performance | 520.5 | 519.7 | 0 | 0 |
| Temp new rating | 1010.4 | 996.8 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1010.4 | 996.8 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 52 | 52 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | ZF Mgcawu (NZF) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| 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 | 52 | 19 | 36.54 | -114.4 | 1074.1 | 959.7 |
| Standard | 52 | 19 | 36.54 | -114.4 | 1074.1 | 959.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-09-30 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-09-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-08-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-07-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-06-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-05-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-04-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-03-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-02-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2025-01-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-12-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-11-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-10-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-09-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-08-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-07-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-09-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-05-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-04-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-03-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-02-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2024-01-01 | 1010.4 | 996.8 | 1200 | 1200 |
| 2023-12-01 | 1010.4 | 996.8 | 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 | ZFM Trials 2023 (U18 Boys) | 2023-06-03 | 2023-06-03 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 2 | Yes | Analysis |
| 2 | ZF Mgcawu Open 2023 (U19) | 2023-03-04 | 2023-03-04 | Standard | ZF Mgcawu (NZF) | 5 | 4 | 1 | Yes | Analysis |
| 3 | Northern Cape Closed Chess Championships 2019 (U12) | 2019-08-30 | 2019-09-01 | Standard | ZF Mgcawu (NZF) | 5 | 4 | 2 | Yes | Analysis |
| 4 | Inter Regional Chess Championship 2019 (U14) | 2019-05-10 | 2019-05-11 | Standard | Mangaung (FMB) | 5 | 5 | 2 | Yes | Analysis |
| 5 | ZFM School Trials 2019 (U13) | 2019-04-27 | 2019-04-27 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 6 | ZFM Open Tournament 2019 (U14) | 2019-03-02 | 2019-03-02 | Standard | ZF Mgcawu (NZF) | 5 | 1 | 1 | Yes | Analysis |
| 7 | South African Junior Team Championships 2018 (U12D) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 5 | 1 | Yes | Analysis |
| 8 | Northern Cape Closed Chess Championships 2018 (U12 Open) | 2018-08-31 | 2018-09-01 | Standard | Frances Baard (NCF) | 5 | 4 | 2 | Yes | Analysis |
| 9 | King`s Guard Women`s Day Open Chess Tournament 2018 (B) | 2018-08-04 | 2018-08-04 | Standard | ZF Mgcawu (NZF) | 5 | 4 | 0 | Yes | Analysis |
| 10 | ZF MGCAWU Mandela Centenary Open Chess Tournament 2018 (U12) | 2018-07-20 | 2018-07-21 | Standard | ZF Mgcawu (NZF) | 6 | 6 | 2 | Yes | Analysis |
| 11 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U13 Boys) | 2018-03-17 | 2018-03-17 | Standard | ZF Mgcawu (NZF) | 5 | 4 | 1 | Yes | Analysis |
| 12 | ZF Mgcawu Inter-Region Open Trials (Qualifier 2) | 2018-03-24 | 2018-03-24 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentZFM School Trials 2019 | TournamentZFM School Trials 2019 | ||||||
| date2019-04-27 | rnd2 | typeStandard | result1 | date2019-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentThys, I (Ivano) | OpponentSlabber, P (Pieter) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed Chess Championships 2019 | TournamentZF Mgcawu Open 2023 | ||||||
| date2019-09-01 | rnd5 | typeStandard | result1 | date2023-03-04 | rnd1 | typeStandard | result1 | ||
| OpponentBaai, A (Andrea) | OpponentWessels, T (Tristan) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed Chess Championships 2018 | TournamentNorthern Cape Closed Chess Championships 2018 | ||||||
| date2018-09-01 | rnd3 | typeStandard | result1 | date2018-09-01 | rnd4 | typeStandard | result1 | ||
| OpponentVaughan, A (Anthony) | OpponentWhite, F (Francis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentZFM School Trials 2019 | TournamentZFM School Trials 2019 | ||||||
| date2019-04-27 | rnd2 | typeStandard | result1 | date2019-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentThys, I (Ivano) | OpponentSlabber, P (Pieter) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed Chess Championships 2019 | TournamentZF Mgcawu Open 2023 | ||||||
| date2019-09-01 | rnd5 | typeStandard | result1 | date2023-03-04 | rnd1 | typeStandard | result1 | ||
| OpponentBaai, A (Andrea) | OpponentWessels, T (Tristan) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed Chess Championships 2018 | TournamentNorthern Cape Closed Chess Championships 2018 | ||||||
| date2018-09-01 | rnd3 | typeStandard | result1 | date2018-09-01 | rnd4 | typeStandard | result1 | ||
| OpponentVaughan, A (Anthony) | OpponentWhite, F (Francis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentZFM School Trials 2019 | TournamentZFM School Trials 2019 | ||||||
| date2019-04-27 | rnd2 | typeStandard | result1 | date2019-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentThys, I (Ivano) | OpponentSlabber, P (Pieter) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed Chess Championships 2019 | TournamentZF Mgcawu Open 2023 | ||||||
| date2019-09-01 | rnd5 | typeStandard | result1 | date2023-03-04 | rnd1 | typeStandard | result1 | ||
| OpponentBaai, A (Andrea) | OpponentWessels, T (Tristan) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed Chess Championships 2018 | TournamentNorthern Cape Closed Chess Championships 2018 | ||||||
| date2018-09-01 | rnd3 | typeStandard | result1 | date2018-09-01 | rnd4 | typeStandard | result1 | ||
| OpponentVaughan, A (Anthony) | OpponentWhite, F (Francis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentZFM School Trials 2019 | TournamentZFM School Trials 2019 | ||||||
| date2019-04-27 | rnd2 | typeStandard | result1 | date2019-04-27 | rnd4 | typeStandard | result1 | ||
| OpponentThys, I (Ivano) | OpponentSlabber, P (Pieter) | ||||||||
| 2 | 2 | TournamentNorthern Cape Closed Chess Championships 2019 | TournamentZF Mgcawu Open 2023 | ||||||
| date2019-09-01 | rnd5 | typeStandard | result1 | date2023-03-04 | rnd1 | typeStandard | result1 | ||
| OpponentBaai, A (Andrea) | OpponentWessels, T (Tristan) | ||||||||
| 3 | 2 | TournamentNorthern Cape Closed Chess Championships 2018 | TournamentNorthern Cape Closed Chess Championships 2018 | ||||||
| date2018-09-01 | rnd3 | typeStandard | result1 | date2018-09-01 | rnd4 | typeStandard | result1 | ||
| OpponentVaughan, A (Anthony) | OpponentWhite, F (Francis) | ||||||||
| # | 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 | Andries ,D (Devitihano) | 4 | 0 | -425 | 4 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1237 | 812 | 1233.2 | 812 | 0 | 0 | 0 | 0 | ||||||
| 2 | Baai ,A (Andrea) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 920.2 | 778.5 | 921.7 | 778.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Leite ,K (Kiara) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1202.7 | 1061 | 1198.2 | 1061 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Kradenburg ,A (Antonio) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 879.8 | 454.8 | 881.6 | 454.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Breyl ,N (Noah) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.5 | 1177.5 | 1177.8 | 1177.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Visagie ,L (Luchiano) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1056.4 | 1481.4 | 1027 | 1481.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Muhammed ,M (Mathfrique) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.2 | 752.2 | 1175.6 | 752.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Wessels ,T (Tristen) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1166.8 | 1591.8 | 1160.4 | 1591.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Jooste ,W (Waylin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1148.6 | 723.6 | 1141.6 | 723.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Harmse ,R (Rikus) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

