PLAYER PAGE
Personal
Jones, G (Gretchen)
Chess SA id
2050139947FIDE id
?Date of birth
2005-09-30 (Adult)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-05-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Raw rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Weighted rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Weighted performance | 809 | 806.2 | 0 | 0 |
| Floor | 724.5 | 734.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 160.1 | 157.9 | 165.8 | 165.8 |
| Highest rating | 1224.52024-02-01 | 1234.42024-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1224.52024-02-01 | 1234.42024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1224.52025-04-01 | 1234.42025-04-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Raw rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Weighted rating | 1224.5 | 1234.4 | 1200 | |
| Weighted performance | 809 | 806.2 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 724.5 | 734.4 | 700 | 700 |
| Max/Min rating change allowed | 160.1 | 157.9 | 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 | 1224.5 | 1234.4 | 1200 | 1200 |
| New weighted rating | 1224.5 | 1234.4 | 1200 | 1200 |
| New weighted performance | 801.8 | 799 | 0 | 0 |
| Temp new rating | 1224.5 | 1234.4 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1224.5 | 1234.4 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 724.5 | 734.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 25 | 25 | 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 | 25 | 12 | 48 | -17 | 1201 | 1184 |
| Standard | 25 | 12 | 48 | -17 | 1201 | 1184 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-09-30 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-09-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-08-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-07-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-06-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-05-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-04-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-03-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-02-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2025-01-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-12-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-11-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-10-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-09-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-08-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-07-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-09-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-05-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-04-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-03-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-02-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2024-01-01 | 1224.5 | 1234.4 | 1200 | 1200 |
| 2023-12-01 | 1224.5 | 1234.4 | 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 | 2023 Tshwane North School District CLOSED Individual Championships (D3) | 2023-05-13 | 2023-05-13 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | Gauteng Schools Individual Finals 2023 (U18 Girls) | 2023-05-27 | 2023-05-27 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2022 Gauteng Schools Individual Chess Championship (U18 Girls) | 2022-06-18 | 2022-06-18 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2022 D3 Cluster Teams (U19) | 2022-05-28 | 2022-05-28 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 5 | 2022 D3 Cluster City Schools (U18 Girls) | 2022-04-23 | 2022-04-23 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED Individual Championships | Tournament2023 Tshwane North School District CLOSED Individual Championships | ||||||
| date2023-05-13 | rnd3 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentTaylor, A (Abigail) | OpponentNthle, P (Palesa) | ||||||||
| 2 | 2 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd2 | typeStandard | result1 | date2023-05-27 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, M (Megan) | OpponentMilanza, A (Alinah) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd5 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentHorak, D (Danette) | OpponentHorak, D (Danette) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED Individual Championships | Tournament2023 Tshwane North School District CLOSED Individual Championships | ||||||
| date2023-05-13 | rnd3 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentTaylor, A (Abigail) | OpponentNthle, P (Palesa) | ||||||||
| 2 | 2 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd2 | typeStandard | result1 | date2023-05-27 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, M (Megan) | OpponentMilanza, A (Alinah) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd5 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentHorak, D (Danette) | OpponentHorak, D (Danette) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED Individual Championships | Tournament2023 Tshwane North School District CLOSED Individual Championships | ||||||
| date2023-05-13 | rnd3 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentTaylor, A (Abigail) | OpponentNthle, P (Palesa) | ||||||||
| 2 | 2 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd2 | typeStandard | result1 | date2023-05-27 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, M (Megan) | OpponentMilanza, A (Alinah) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd5 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentHorak, D (Danette) | OpponentHorak, D (Danette) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2023 Tshwane North School District CLOSED Individual Championships | Tournament2023 Tshwane North School District CLOSED Individual Championships | ||||||
| date2023-05-13 | rnd3 | typeStandard | result1 | date2023-05-13 | rnd5 | typeStandard | result1 | ||
| OpponentTaylor, A (Abigail) | OpponentNthle, P (Palesa) | ||||||||
| 2 | 2 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd2 | typeStandard | result1 | date2023-05-27 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, M (Megan) | OpponentMilanza, A (Alinah) | ||||||||
| 3 | 1 | TournamentGauteng Schools Individual Finals 2023 | TournamentGauteng Schools Individual Finals 2023 | ||||||
| date2023-05-27 | rnd5 | typeStandard | result1 | date2023-05-27 | rnd5 | typeStandard | result1 | ||
| OpponentHorak, D (Danette) | OpponentHorak, D (Danette) | ||||||||
| # | 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 | Grahan ,C (Chie-Ann) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1137.6 | 712.6 | 1134.4 | 712.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mutendeh ,N (Natalie) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1183.4 | 1608.4 | 1180 | 1608.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Nthle ,P (Palesa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1102.3 | 1527.3 | 1096 | 1527.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Milanza ,A (Alinah) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Nemahembeni ,O (Omphile Grace) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mfundisi ,P (Phumelela Prince) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Horak ,D (Danette) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1179.1 | 1604.1 | 1176.4 | 1604.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Taylor ,A (Abigail) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1162.3 | 1587.3 | 1158.3 | 1587.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mathe ,B (Bradley) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1214.9 | 789.9 | 1218.3 | 789.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Du Toit ,M (Megan) | 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 |
|---|---|---|---|---|---|---|---|---|