PLAYER PAGE
Personal
Jacobs, J (Jay-Dee)
Chess SA id
207078093FIDE id
?Date of birth
2007-10-25 (U20)Gender
FemaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-03-07Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 882.8 | 876.2 | 500 | 500 |
| Raw rating | 882.8 | 876.2 | 500 | 500 |
| Weighted rating | 882.8 | 876.2 | 500 | 500 |
| Weighted performance | 241.9 | 240.1 | 0 | 0 |
| Floor | 500 | 500 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 260.6 | 263 | 449.5 | 449.5 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-03-01 | 12002024-03-01 |
| Highest raw rating | 882.82024-03-01 | 876.22024-03-01 | 5002024-03-01 | 5002024-03-01 |
| Highest weighted rating | 882.82024-11-01 | 876.22024-11-01 | 5002024-11-01 | 5002024-11-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 882.8 | 876.2 | 500 | 500 |
| Analysis | ||||
| Rating | 882.8 | 876.2 | 500 | 500 |
| Raw rating | 882.8 | 876.2 | 500 | 500 |
| Weighted rating | 882.8 | 876.2 | 500 | |
| Weighted performance | 241.9 | 240.1 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 500 | 500 | 500 | 500 |
| Max/Min rating change allowed | 260.6 | 263 | 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 | 882.8 | 876.2 | 500 | 500 |
| New weighted rating | 882.8 | 876.2 | 500 | 500 |
| New weighted performance | 236.6 | 234.8 | 0 | 0 |
| Temp new rating | 882.8 | 876.2 | 500 | 500 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 882.8 | 876.2 | 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 | 66 | 66 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 33 | 8.5 | 25.76 | -206.1 | 1022.9 | 816.8 |
| Standard | 33 | 8.5 | 25.76 | -206.1 | 1022.9 | 816.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-09-30 | 882.8 | 876.2 | 500 | 500 |
| 2025-09-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-08-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-07-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-06-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-05-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-04-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-03-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-02-01 | 882.8 | 876.2 | 500 | 500 |
| 2025-01-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-12-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-11-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-10-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-09-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-08-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-07-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-09-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-05-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-04-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-03-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-02-01 | 882.8 | 876.2 | 500 | 500 |
| 2024-01-01 | 882.8 | 876.2 | 500 | 500 |
| 2023-12-01 | 882.8 | 876.2 | 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 | Eden Schools Closed Trials 1 2020 (U13 Girls) | 2020-03-07 | 2020-03-07 | Standard | Eden (WEG) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Hessequa Skaak Proewe 2 2020 (O13 Dogters) | 2020-02-22 | 2020-02-22 | Standard | Eden (WEG) | 5 | 4 | 1.5 | Yes | Analysis |
| 3 | Hessequa Skaak Proewe 1 2020 (O13 Dogters) | 2020-02-01 | 2020-02-01 | Standard | Eden (WEG) | 5 | 4 | 0.5 | Yes | Analysis |
| 4 | Hessequa Proewe 3 2019 (O14) | 2019-02-23 | 2019-02-23 | Standard | Eden (WEG) | 5 | 5 | 1.5 | Yes | Analysis |
| 5 | Hessequa Proewe 2 2019 (O14) | 2019-02-16 | 2019-02-16 | Standard | Eden (WEG) | 5 | 4 | 1 | Yes | Analysis |
| 6 | EDENSC Closed 3 2018 (U12 Open) | 2018-05-12 | 2018-05-12 | Standard | Eden (WEG) | 5 | 0 | 0 | No | Analysis |
| 7 | EDENSC Closed 1 2018 (U12 Boys) | 2018-03-10 | 2018-03-10 | Standard | Eden (WEG) | 5 | 5 | 1 | Yes | Analysis |
| 8 | South African Junior Team Championships 2017 (U12D) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 6 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd4 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentCoetsee, H (Hayley) | OpponentVan Staden, L (Leane) | ||||||||
| 2 | 2 | TournamentHessequa Skaak Proewe 2 2020 | TournamentHessequa Skaak Proewe 2 2020 | ||||||
| date2020-02-22 | rnd3 | typeStandard | result0.5 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentJohannes, R (Ruchea) | OpponentJansen, A (Anferneeq) | ||||||||
| 3 | 1 | TournamentHessequa Skaak Proewe 1 2020 | TournamentHessequa Skaak Proewe 1 2020 | ||||||
| date2020-02-01 | rnd3 | typeStandard | result0.5 | date2020-02-01 | rnd3 | typeStandard | result0.5 | ||
| OpponentJacobs, S (Sensemecia) | OpponentJacobs, S (Sensemecia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd4 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentCoetsee, H (Hayley) | OpponentVan Staden, L (Leane) | ||||||||
| 2 | 2 | TournamentHessequa Skaak Proewe 2 2020 | TournamentHessequa Skaak Proewe 2 2020 | ||||||
| date2020-02-22 | rnd3 | typeStandard | result0.5 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentJohannes, R (Ruchea) | OpponentJansen, A (Anferneeq) | ||||||||
| 3 | 1 | TournamentHessequa Skaak Proewe 1 2020 | TournamentHessequa Skaak Proewe 1 2020 | ||||||
| date2020-02-01 | rnd3 | typeStandard | result0.5 | date2020-02-01 | rnd3 | typeStandard | result0.5 | ||
| OpponentJacobs, S (Sensemecia) | OpponentJacobs, S (Sensemecia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd4 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentCoetsee, H (Hayley) | OpponentVan Staden, L (Leane) | ||||||||
| 2 | 1 | TournamentHessequa Skaak Proewe 2 2020 | TournamentHessequa Skaak Proewe 2 2020 | ||||||
| date2020-02-22 | rnd5 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentJansen, A (Anferneeq) | OpponentJansen, A (Anferneeq) | ||||||||
| 3 | 1 | TournamentHessequa Proewe 3 2019 | TournamentHessequa Proewe 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentCederas, O (Orlando) | OpponentCederas, O (Orlando) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentEden Schools Closed Trials 1 2020 | TournamentEden Schools Closed Trials 1 2020 | ||||||
| date2020-03-07 | rnd4 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentCoetsee, H (Hayley) | OpponentVan Staden, L (Leane) | ||||||||
| 2 | 1 | TournamentHessequa Skaak Proewe 2 2020 | TournamentHessequa Skaak Proewe 2 2020 | ||||||
| date2020-02-22 | rnd5 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentJansen, A (Anferneeq) | OpponentJansen, A (Anferneeq) | ||||||||
| 3 | 1 | TournamentHessequa Proewe 3 2019 | TournamentHessequa Proewe 3 2019 | ||||||
| date2019-02-23 | rnd3 | typeStandard | result1 | date2019-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentCederas, O (Orlando) | OpponentCederas, O (Orlando) | ||||||||
| # | 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 | Fransies ,H (Hanlie) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1117.6 | 692.6 | 1106.6 | 692.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Esau ,J (Jovaundrea) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1016.3 | 591.3 | 1025.5 | 591.3 | 0 | 0 | 0 | 0 | ||||||
| 3 | Muller ,S (Scarlett) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 994 | 569 | 979.6 | 569 | 0 | 0 | 0 | 0 | ||||||
| 4 | King ,R (Ryan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Weaver ,S (Shekhinah) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1115.1 | 690.1 | 1107.2 | 690.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Coetzee ,A (Adrian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 675.8 | 250.8 | 675.8 | 250.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Odendaal ,M (Mihan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kannemeyer ,D (Duran) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Jordaan ,C (Caitlin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | Laverlot ,D (Devandre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

