PLAYER PAGE
Personal
Bester, J (Joubert)
Chess SA id
1110192896FIDE id
?Date of birth
2011-12-01 (U16)Gender
MaleRegion
Eden (WEG)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-02-17Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Raw rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Weighted rating | 1112.8 | 1094.3 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 185.7 | 190.2 | 165.8 | 165.8 |
| Highest rating | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Raw rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Weighted rating | 1112.8 | 1094.3 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 185.7 | 190.2 | 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 | 1120.5 | 1103.6 | 1200 | 1200 |
| New weighted rating | 1113 | 1094.6 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1120.5 | 1103.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1120.5 | 1103.6 | 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 | |
| 8 | 8 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 8 | 8 | 0 | 0 |
| Games since | |||||||||||||||||
| Main8 | Standard8 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Eden (WEG) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -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 | 8 | 0 | 0 | -425 | 1280.6 | 855.6 |
| Standard | 8 | 0 | 0 | -425 | 1280.6 | 855.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-09-30 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-09-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-08-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-07-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-06-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-05-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-04-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-03-01 | 1120.5 | 1103.6 | 1200 | 1200 |
| 2025-02-01 | 1120.4 | 1103.5 | 1200 | 1200 |
| 2025-01-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-12-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-11-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-10-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-09-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-08-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-07-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-09-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-05-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-04-01 | 1092.4 | 1069.6 | 1200 | 1200 |
| 2024-03-01 | 1092.4 | 1069.6 | 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 | George Schools Chess Trials 1 2025 (U15 Boys) | 2025-02-01 | 2025-02-01 | Standard | Eden (WEG) | 5 | 0 | 0 | No | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | George Schools Chess Trials 1 2025 (U15 Boys) | 2025-02-01 | 2025-02-01 | Standard | Eden (WEG) | 5 | 0 | 0 | No | Analysis |
| 2 | George Schools Trials 2 2024 (U13 Boys) | 2024-02-17 | 2024-02-17 | Standard | Eden (WEG) | 5 | 4 | 0 | Yes | Analysis |
| 3 | George Schools Trials 1 2024 (U15 Boys) | 2024-02-03 | 2024-02-03 | Standard | Eden (WEG) | 5 | 4 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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| # | Games | Start | End | ||||||
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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 | Punt ,H (Heinrich) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1514.7 | 1089.7 | 1520.5 | 1089.7 | 0 | 0 | 0 | 0 | ||||||
| 2 | Stewart ,E (Ewald) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1360.9 | 935.9 | 1349.2 | 935.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Der Fyfer ,H (Hendre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 4 | Boom ,D (Diego) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1116 | 691 | 1106 | 691 | 0 | 0 | 0 | 0 | ||||||
| 5 | Marriott Watson ,T (Takaro) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Nelani ,I (Ibongwe) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Pietersen ,E (Emray) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Sampson ,E (Eejay) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1452.7 | 1027.7 | 1461.6 | 1027.7 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

