PLAYER PAGE
Personal
Theron, J (Janneke)
Chess SA id
2180315650FIDE id
?Date of birth
2018-05-08 (U8)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-02-15Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Raw rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Weighted rating | 1199.6 | 1199.5 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 699.9 | 699.9 | 700 | 700 |
| K-factor | 40 | 40 | 36 | 36 |
| Min/Max rating change allowed | 165.9 | 165.9 | 165.8 | 165.8 |
| Highest rating | 1199.92025-02-19 | 1199.92025-02-19 | 12002025-03-01 | 12002025-03-01 |
| Highest raw rating | 1199.92025-02-19 | 1199.92025-02-19 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted rating | 1199.92025-02-19 | 1199.92025-02-19 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted performance | 01900-01-01 | 01900-01-01 | 01900-01-01 | 01900-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Raw rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Weighted rating | 1199.6 | 1199.5 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 40 | 40 | 36 | 36 |
| Floor | 699.9 | 699.9 | 700 | 700 |
| Max/Min rating change allowed | 165.9 | 165.9 | 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 | 1199.7 | 1199.6 | 1200 | 1200 |
| New weighted rating | 1199.6 | 1199.5 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1199.7 | 1199.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1199.7 | 1199.6 | 1200 | 1200 |
| New K-factor | 40 | 40 | 36 | 36 |
| New floor | 699.9 | 699.9 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 4 | 4 | 0 | 0 |
| Games since | |||||||||||||||||
| Main4 | Standard4 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U8 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U8 | -1 | -1 | -1 | ||||||||||||||
| U8 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 | 4 | 0.5 | 12.5 | -318.8 | 1232.5 | 913.8 |
| Standard | 4 | 0.5 | 12.5 | -318.8 | 1232.5 | 913.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 4 | 0.5 | 12.5 | -318.8 | 1232.5 | 913.8 |
| Standard | 4 | 0.5 | 12.5 | -318.8 | 1232.5 | 913.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-09-30 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-09-01 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-08-01 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-07-01 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-06-01 | 1199.7 | 1199.6 | 1200 | 1200 |
| 2025-05-01 | 1199.6 | 1199.6 | 1200 | 1200 |
| 2025-04-01 | 1199.4 | 1199.3 | 1200 | 1200 |
| 2025-03-01 | 1196.4 | 1195.6 | 1200 | 1200 |
| 2025-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Constantiapark Open 2025 (U8) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 4 | 0.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Constantiapark Open 2025 (U8) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 4 | 0.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentConstantiapark Open 2025 | TournamentConstantiapark Open 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result0.5 | date2025-02-15 | rnd4 | typeStandard | result0.5 | ||
| OpponentKelly, A (Alexis) | OpponentKelly, A (Alexis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentConstantiapark Open 2025 | TournamentConstantiapark Open 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result0.5 | date2025-02-15 | rnd4 | typeStandard | result0.5 | ||
| OpponentKelly, A (Alexis) | OpponentKelly, A (Alexis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | Karapanagioclis ,A (Alexi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mendonca ,M (Mark) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1331.5 | 906.5 | 1322.1 | 906.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Kelly ,A (Alexis) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 4 | Grobbelaar ,N (Nina) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1198.5 | 773.5 | 1198.1 | 773.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

