PLAYER PAGE
Personal
Jacobs, E (Emma)
Chess SA id
204090668FIDE id
?Date of birth
2004-02-06 (Adult)Gender
FemaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-08-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 856 | 856 | 500 | 500 |
| Raw rating | 856 | 856 | 500 | 500 |
| Weighted rating | 854.3 | 854.7 | 500 | 500 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 500 | 500 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 270.7 | 270.7 | 449.5 | 449.5 |
| Highest rating | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 8562024-02-01 | 8562024-02-01 | 5002024-02-01 | 5002024-02-01 |
| Highest weighted rating | 8562024-11-01 | 8562024-11-01 | 5002024-11-01 | 5002024-11-01 |
| Highest weighted performance | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 856 | 856 | 500 | 500 |
| Analysis | ||||
| Rating | 856 | 856 | 500 | 500 |
| Raw rating | 856 | 856 | 500 | 500 |
| Weighted rating | 854.3 | 854.7 | 500 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 500 | 500 | 500 | 500 |
| Max/Min rating change allowed | 270.7 | 270.7 | 449.5 | 449.5 |
| 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 | 856 | 856 | 500 | 500 |
| New weighted rating | 855.4 | 855.6 | 500 | 500 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 856 | 856 | 500 | 500 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 856 | 856 | 500 | 500 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 500 | 500 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 19 | 19 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -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 | 14 | 6 | 42.86 | -60.7 | 1165.4 | 1104.7 |
| Standard | 14 | 6 | 42.86 | -60.7 | 1165.4 | 1104.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 856 | 856 | 500 | 500 |
| 2025-09-01 | 856 | 856 | 500 | 500 |
| 2025-08-01 | 856 | 856 | 500 | 500 |
| 2025-07-01 | 856 | 856 | 500 | 500 |
| 2025-06-01 | 856 | 856 | 500 | 500 |
| 2025-05-01 | 856 | 856 | 500 | 500 |
| 2025-04-01 | 856 | 856 | 500 | 500 |
| 2025-03-01 | 856 | 856 | 500 | 500 |
| 2025-02-01 | 856 | 856 | 500 | 500 |
| 2025-01-01 | 856 | 856 | 500 | 500 |
| 2024-12-01 | 856 | 856 | 500 | 500 |
| 2024-11-01 | 856 | 856 | 500 | 500 |
| 2024-10-01 | 856 | 856 | 500 | 500 |
| 2024-09-01 | 856 | 856 | 500 | 500 |
| 2024-08-01 | 856 | 856 | 500 | 500 |
| 2024-07-01 | 856 | 856 | 500 | 500 |
| 2024-06-01 | 856 | 856 | 500 | 500 |
| 2024-08-01 | 856 | 856 | 500 | 500 |
| 2024-04-01 | 856 | 856 | 500 | 500 |
| 2024-03-01 | 856 | 856 | 500 | 500 |
| 2024-02-01 | 856 | 856 | 500 | 500 |
| 2024-01-01 | 856 | 856 | 500 | 500 |
| 2023-12-01 | 685.3 | 724 | 500 | 500 |
| 2023-11-01 | 685.3 | 724 | 500 | 500 |
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 | 2019 Gauteng School League Finals (U15 Open) | 2019-08-24 | 2019-08-24 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 2 | 2019 Gauteng Secondary Schools Individual Chess Championships (U15 Girls) | 2019-05-25 | 2019-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2018 Gauteng Secondary Schools Individual Chess Championships (U15 Girls) | 2018-05-26 | 2018-05-26 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd4 | typeStandard | result1 | ||
| OpponentKabemba, B (Bernice) | OpponentSokhela, S (S`bonokuhle) | ||||||||
| 2 | 2 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2018-05-26 | rnd1 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
| OpponentMokoena, M (Makwena) | OpponentMahlangu, A (Ayanda) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd2 | typeStandard | result1 | date2019-08-24 | rnd2 | typeStandard | result1 | ||
| OpponentMathe, B (Bradley) | OpponentMathe, B (Bradley) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd4 | typeStandard | result1 | ||
| OpponentKabemba, B (Bernice) | OpponentSokhela, S (S`bonokuhle) | ||||||||
| 2 | 2 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2018-05-26 | rnd1 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
| OpponentMokoena, M (Makwena) | OpponentMahlangu, A (Ayanda) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd2 | typeStandard | result1 | date2019-08-24 | rnd2 | typeStandard | result1 | ||
| OpponentMathe, B (Bradley) | OpponentMathe, B (Bradley) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd4 | typeStandard | result1 | ||
| OpponentKabemba, B (Bernice) | OpponentSokhela, S (S`bonokuhle) | ||||||||
| 2 | 2 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2018-05-26 | rnd1 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
| OpponentMokoena, M (Makwena) | OpponentMahlangu, A (Ayanda) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd2 | typeStandard | result1 | date2019-08-24 | rnd2 | typeStandard | result1 | ||
| OpponentMathe, B (Bradley) | OpponentMathe, B (Bradley) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2019-05-25 | rnd3 | typeStandard | result1 | date2019-05-25 | rnd4 | typeStandard | result1 | ||
| OpponentKabemba, B (Bernice) | OpponentSokhela, S (S`bonokuhle) | ||||||||
| 2 | 2 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | ||||||
| date2018-05-26 | rnd1 | typeStandard | result1 | date2018-05-26 | rnd2 | typeStandard | result1 | ||
| OpponentMokoena, M (Makwena) | OpponentMahlangu, A (Ayanda) | ||||||||
| 3 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd2 | typeStandard | result1 | date2019-08-24 | rnd2 | typeStandard | result1 | ||
| OpponentMathe, B (Bradley) | OpponentMathe, B (Bradley) | ||||||||
| # | 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 | Weideman ,K (Kayleigh) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1435.1 | 1010.1 | 1421 | 1010.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Sokhela ,S (S`bonokuhle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 3 | Mathe ,B (Bradley) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1120 | 1545 | 1124.4 | 1545 | 0 | 0 | 0 | 0 | ||||||
| 4 | De Beer ,J (Janka) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1221.9 | 796.9 | 1214.2 | 796.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mmola ,M (Motheo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mokgola ,BOD (Bramwell-Jr Omphemetse Da) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Wallace ,A (Amy) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.1 | 838.1 | 1259.6 | 838.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Bester ,C (Carla) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1456 | 1031 | 1454.4 | 1031 | 0 | 0 | 0 | 0 | ||||||
| 9 | Ferreira ,C (Chantelle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1204.5 | 779.5 | 1202.4 | 779.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mahlangu ,A (Ayanda) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1098.7 | 1523.7 | 1078 | 1523.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|