PLAYER PAGE
Personal
Jacobs, M (Marli)
Chess SA id
2110109137FIDE id
?Date of birth
2011-04-27 (U16)Gender
FemaleRegion
Nkangala (MNW)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 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Raw rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Weighted rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 807.5 | 773.2 | 788.8 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 142.3 | 149.4 | 146.1 | 165.8 |
| Highest rating | 1322.92020-03-01 | 1422.82020-03-01 | 1288.82024-03-01 | 12002018-10-01 |
| Highest raw rating | 1307.52024-03-01 | 1273.22024-03-01 | 1288.82024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1307.52025-08-01 | 1273.22024-03-01 | 1288.82025-08-01 | 12002018-10-01 |
| Highest weighted performance | 1322.92020-03-01 | 1422.82020-03-01 | 1259.92023-09-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Analysis | ||||
| Rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Raw rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Weighted rating | 1307.5 | 1273.2 | 1288.8 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 807.5 | 773.2 | 788.8 | 700 |
| Max/Min rating change allowed | 142.3 | 149.4 | 146.1 | 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 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| New weighted rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1307.5 | 1273.2 | 1288.8 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 807.5 | 773.2 | 788.8 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 20 | 10 | 10 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Nkangala (MNW) | ||||||||||||||||
| Province | Mpumalanga (MP) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 20 | 14.5 | 72.5 | 191.2 | 1186.8 | 1378 |
| Standard | 10 | 7 | 70 | 170 | 1178.8 | 1348.8 |
| Rapid | 10 | 7.5 | 75 | 212.5 | 1194.8 | 1407.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-09-30 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-09-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-08-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-07-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-06-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-05-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-04-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-03-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-02-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2025-01-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-12-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-11-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-10-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-09-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-08-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-07-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-09-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-05-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-04-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-03-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-02-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2024-01-01 | 1307.5 | 1273.2 | 1288.8 | 1200 |
| 2023-12-01 | 1307.5 | 1273.2 | 1288.8 | 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 (Girls) | 2023-09-02 | 2023-09-02 | Rapid | Gert Sibande (MGS) | 5 | 5 | 5 | Yes | Analysis |
| 2 | Nkangala 3rd Tournament HTS Witbank 2020 (D) | 2020-03-07 | 2020-03-07 | Standard | Nkangala (MNW) | 5 | 5 | 5 | Yes | Analysis |
| 3 | Nkangala 2nd Tournament St Thomas Aquinas School 2020 (C) | 2020-02-08 | 2020-02-08 | Standard | Nkangala (MNW) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Nkangala 1st Tournamant Laerskool President CR Swart 2019 (F) | 2019-02-02 | 2019-02-02 | Rapid | Nkangala (MNW) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | TournamentMpumalanga Final 2023 | ||||||
| date2020-03-07 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd5 | typeRapid | result1 | ||
| OpponentSmith, E (Euan) | OpponentHlatshwayo, T (Trinity) | ||||||||
| 2 | 2 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | ||||||
| date2019-02-02 | rnd3 | typeRapid | result0.5 | date2019-02-02 | rnd4 | typeRapid | result1 | ||
| OpponentDu Plooy, L (Levonne) | OpponentFeerick, M (Mellisa) | ||||||||
| 3 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd4 | typeStandard | result1 | date2020-02-08 | rnd4 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | ||||||
| date2020-03-07 | rnd1 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentZwane, N (Njabulo) | ||||||||
| 2 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd4 | typeStandard | result1 | date2020-02-08 | rnd4 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
| 3 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd2 | typeStandard | result1 | date2020-02-08 | rnd2 | typeStandard | result1 | ||
| OpponentLutchman, R (Raheel) | OpponentLutchman, R (Raheel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMpumalanga Final 2023 | TournamentMpumalanga Final 2023 | ||||||
| date2023-09-02 | rnd1 | typeRapid | result1 | date2023-09-02 | rnd5 | typeRapid | result1 | ||
| OpponentMasango, U (Unathi) | OpponentHlatshwayo, T (Trinity) | ||||||||
| 2 | 2 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | ||||||
| date2019-02-02 | rnd3 | typeRapid | result0.5 | date2019-02-02 | rnd4 | typeRapid | result1 | ||
| OpponentDu Plooy, L (Levonne) | OpponentFeerick, M (Mellisa) | ||||||||
| 3 | 1 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | ||||||
| date2019-02-02 | rnd1 | typeRapid | result1 | date2019-02-02 | rnd1 | typeRapid | result1 | ||
| OpponentAdam, R (Rania) | OpponentAdam, R (Rania) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | TournamentMpumalanga Final 2023 | ||||||
| date2020-03-07 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd5 | typeRapid | result1 | ||
| OpponentSmith, E (Euan) | OpponentHlatshwayo, T (Trinity) | ||||||||
| 2 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd4 | typeStandard | result1 | date2020-02-08 | rnd4 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
| 3 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd2 | typeStandard | result1 | date2020-02-08 | rnd2 | typeStandard | result1 | ||
| OpponentLutchman, R (Raheel) | OpponentLutchman, R (Raheel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | TournamentNkangala 3rd Tournament HTS Witbank 2020 | ||||||
| date2020-03-07 | rnd1 | typeStandard | result1 | date2020-03-07 | rnd5 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentZwane, N (Njabulo) | ||||||||
| 2 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd4 | typeStandard | result1 | date2020-02-08 | rnd4 | typeStandard | result1 | ||
| OpponentSmith, E (Euan) | OpponentSmith, E (Euan) | ||||||||
| 3 | 1 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | TournamentNkangala 2nd Tournament St Thomas Aquinas School 2020 | ||||||
| date2020-02-08 | rnd2 | typeStandard | result1 | date2020-02-08 | rnd2 | typeStandard | result1 | ||
| OpponentLutchman, R (Raheel) | OpponentLutchman, R (Raheel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentMpumalanga Final 2023 | TournamentMpumalanga Final 2023 | ||||||
| date2023-09-02 | rnd1 | typeRapid | result1 | date2023-09-02 | rnd5 | typeRapid | result1 | ||
| OpponentMasango, U (Unathi) | OpponentHlatshwayo, T (Trinity) | ||||||||
| 2 | 1 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | ||||||
| date2019-02-02 | rnd4 | typeRapid | result1 | date2019-02-02 | rnd4 | typeRapid | result1 | ||
| OpponentFeerick, M (Mellisa) | OpponentFeerick, M (Mellisa) | ||||||||
| 3 | 1 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | TournamentNkangala 1st Tournamant Laerskool President CR Swart 2019 | ||||||
| date2019-02-02 | rnd1 | typeRapid | result1 | date2019-02-02 | rnd1 | typeRapid | result1 | ||
| OpponentAdam, R (Rania) | OpponentAdam, R (Rania) | ||||||||
| # | 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 | Smith ,E (Euan) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1110.5 | 1535.5 | 1101.4 | 1535.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mgidi ,T (Thandolwethu) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1198.5 | 773.5 | 1272.1 | 773.5 | 783 | 773.5 | 0 | 0 | ||||||
| 3 | Fouche ,Z (Zane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1192.9 | 1617.9 | 1174.8 | 1617.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Madonsela ,B (Bonga) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1186.6 | 761.6 | 1213.2 | 761.6 | 0 | 0 | 0 | 0 | ||||||
| 5 | Sibitane ,S (Siyabonga) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1186.1 | 1611.1 | 1183.2 | 1611.1 | 0 | 0 | 0 | 0 | ||||||
| 6 | Victor ,X (Xander) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1196.9 | 771.9 | 1118.3 | 771.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Sebesho ,A (Amo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Lutchman ,R (Raheel) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1111.6 | 1536.6 | 1183.6 | 1536.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Zwane ,N (Njabulo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1188.7 | 1613.7 | 1177.6 | 1613.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Masango ,U (Unathi) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1331.8 | 1756.8 | 0 | 0 | 1379 | 1756.8 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

