PLAYER PAGE
Personal
Mostert, K (Karla)
Chess SA id
2040117060FIDE id
?Date of birth
2004-02-13 (Adult)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-01-11Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 917.8 | 880.4 | 1200 | 1200 |
| Raw rating | 917.8 | 880.4 | 1200 | 1200 |
| Weighted rating | 917.8 | 880.4 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 247.9 | 261.4 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| 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 | 917.8 | 880.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 917.8 | 880.4 | 1200 | 1200 |
| Raw rating | 917.8 | 880.4 | 1200 | 1200 |
| Weighted rating | 917.8 | 880.4 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 247.9 | 261.4 | 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 | 917.8 | 880.4 | 1200 | 1200 |
| New weighted rating | 917.8 | 880.4 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 917.8 | 880.4 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 917.8 | 880.4 | 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 | |
| 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 | Tshwane (GTP) | ||||||||||||||||
| 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 | 19 | 2 | 10.53 | -335.5 | 1090.9 | 755.4 |
| Standard | 19 | 2 | 10.53 | -335.5 | 1090.9 | 755.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-09-30 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-09-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-08-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-07-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-06-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-05-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-04-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-03-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-02-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2025-01-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-12-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-11-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-10-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-09-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-08-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-07-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-09-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-05-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-04-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-03-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-02-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2024-01-01 | 917.8 | 880.4 | 1200 | 1200 |
| 2023-12-01 | 917.8 | 880.4 | 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 | 2019 South African Top Schools Team Championships (U13+U15 Girls) | 2020-01-10 | 2020-01-11 | Standard | 4 Knights (4K) | 5 | 5 | 0 | Yes | Analysis |
| 2 | 2019 South African Top Schools Team Championships (U13+U15 Girls) | 2020-01-10 | 2020-01-11 | Standard | 4 Knights (4K) | 5 | 5 | 1 | Yes | Analysis |
| 3 | 2019 Gauteng School League Finals (U15 Girls) | 2019-08-24 | 2019-08-24 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 4 | 2019 D4 Tshwane South Schools League Team Finals (U17) | 2019-07-27 | 2019-07-27 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2019 South African Top Schools Team Championships | Tournament2019 South African Top Schools Team Championships | ||||||
| date2020-01-11 | rnd5 | typeStandard | result0.5 | date2020-01-11 | rnd5 | typeStandard | result0.5 | ||
| OpponentNdimande, M (Marcia) | OpponentNdimande, M (Marcia) | ||||||||
| 2 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentZikhahtile, C (Chumani) | OpponentZikhahtile, C (Chumani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2019 South African Top Schools Team Championships | Tournament2019 South African Top Schools Team Championships | ||||||
| date2020-01-11 | rnd5 | typeStandard | result0.5 | date2020-01-11 | rnd5 | typeStandard | result0.5 | ||
| OpponentNdimande, M (Marcia) | OpponentNdimande, M (Marcia) | ||||||||
| 2 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentZikhahtile, C (Chumani) | OpponentZikhahtile, C (Chumani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2019 South African Top Schools Team Championships | Tournament2019 South African Top Schools Team Championships | ||||||
| date2020-01-11 | rnd5 | typeStandard | result0.5 | date2020-01-11 | rnd5 | typeStandard | result0.5 | ||
| OpponentNdimande, M (Marcia) | OpponentNdimande, M (Marcia) | ||||||||
| 2 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentZikhahtile, C (Chumani) | OpponentZikhahtile, C (Chumani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2019 South African Top Schools Team Championships | Tournament2019 South African Top Schools Team Championships | ||||||
| date2020-01-11 | rnd5 | typeStandard | result0.5 | date2020-01-11 | rnd5 | typeStandard | result0.5 | ||
| OpponentNdimande, M (Marcia) | OpponentNdimande, M (Marcia) | ||||||||
| 2 | 1 | Tournament2019 Gauteng School League Finals | Tournament2019 Gauteng School League Finals | ||||||
| date2019-08-24 | rnd3 | typeStandard | result1 | date2019-08-24 | rnd3 | typeStandard | result1 | ||
| OpponentZikhahtile, C (Chumani) | OpponentZikhahtile, C (Chumani) | ||||||||
| # | 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 | Okoko ,J (Jipsie) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1203.4 | 778.4 | 1210.4 | 778.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Letlole ,K (Keorapetse) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1013.8 | 588.8 | 979.2 | 588.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Lubbe ,AG (Andre George) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 963.2 | 538.2 | 963.2 | 538.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Riba ,KK (Khanyisile Kgaogelo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146 | 721 | 1138.2 | 721 | 0 | 0 | 0 | 0 | ||||||
| 5 | Makgala ,R (Realeboga) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1119 | 694 | 1098.4 | 694 | 0 | 0 | 0 | 0 | ||||||
| 6 | Pillay ,Y (Yastiel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1141.3 | 716.3 | 1138.8 | 716.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Owies ,L (Lehanna) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1057 | 632 | 808.8 | 632 | 0 | 0 | 0 | 0 | ||||||
| 8 | Swart ,M (Marli) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1184.2 | 759.2 | 1183.7 | 759.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Goncalves ,A (Ashley) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1033.1 | 608.1 | 1055.4 | 608.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mofokeng ,T (Thandeka) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1110.3 | 1535.3 | 1088 | 1535.3 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

