PLAYER PAGE
Personal
Joubert, A (Aiken)
Chess SA id
1100309107FIDE id
?Date of birth
2010-05-01 (U16)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-16Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1194.5 | 1193.8 | 1200 | 1200 |
| Raw rating | 1171.8 | 1166.7 | 1200 | 1200 |
| Weighted rating | 1194.5 | 1193.8 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 172.6 | 173.9 | 165.8 | 165.8 |
| Highest rating | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 |
| Highest raw rating | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 |
| Highest weighted rating | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 | 12002024-08-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-08-01 | 12002024-08-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -2 | -2.4 | 0 | 0 |
| New rating | 1192.5 | 1191.5 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1194.5 | 1193.8 | 1200 | 1200 |
| Raw rating | 1171.8 | 1166.7 | 1200 | 1200 |
| Weighted rating | 1194.5 | 1193.8 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 172.6 | 173.9 | 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 | 1171.8 | 1166.7 | 1200 | 1200 |
| New weighted rating | 1192.5 | 1191.5 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1192.5 | 1191.5 | 1200 | 1200 |
| Temp new rating +/- | -2 | -2.4 | 0 | 0 |
| Final new rating +/- | -2 | -2.4 | 0 | 0 |
| New rating | 1192.5 | 1191.5 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 9 | 9 | 0 | 0 |
| Games since | |||||||||||||||||
| Main9 | Standard9 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 4 | 1 | 25 | -212.5 | 1218.7 | 1006.2 |
| Standard | 4 | 1 | 25 | -212.5 | 1218.7 | 1006.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 9 | 3.5 | 38.89 | -94.4 | 1204.5 | 1110.1 |
| Standard | 9 | 3.5 | 38.89 | -94.4 | 1204.5 | 1110.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1171.8 | 1166.7 | 1200 | 1200 |
| 2025-09-01 | 1171.8 | 1166.7 | 1200 | 1200 |
| 2025-08-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-07-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-06-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-05-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-04-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-03-01 | 1198.9 | 1199 | 1200 | 1200 |
| 2025-02-01 | 1198.8 | 1199 | 1200 | 1200 |
| 2025-01-01 | 1197.3 | 1197.6 | 1200 | 1200 |
| 2024-12-01 | 1197.3 | 1197.6 | 1200 | 1200 |
| 2024-11-01 | 1197.3 | 1197.6 | 1200 | 1200 |
| 2024-10-01 | 1197.3 | 1197.6 | 1200 | 1200 |
| 2024-09-01 | 1197.3 | 1197.6 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-06-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 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 |
| 2023-11-01 | 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 | 2025 Tshwane South School District CLOSED League Championship (U19B) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U19B) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 2 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd4 | typeStandard | result0.5 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentChild, H (Henry) | OpponentRamphele, R (Rethabile) | ||||||||
| 2 | 1 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd1 | typeStandard | result1 | date2024-08-03 | rnd1 | typeStandard | result1 | ||
| OpponentSebola, S (Sechaba) | OpponentSebola, S (Sechaba) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd4 | typeStandard | result0.5 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentChild, H (Henry) | OpponentRamphele, R (Rethabile) | ||||||||
| 2 | 1 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd1 | typeStandard | result1 | date2024-08-03 | rnd1 | typeStandard | result1 | ||
| OpponentSebola, S (Sechaba) | OpponentSebola, S (Sechaba) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentGibson, L (Liam) | OpponentRamphele, R (Rethabile) | ||||||||
| 2 | 1 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd1 | typeStandard | result1 | date2024-08-03 | rnd1 | typeStandard | result1 | ||
| OpponentSebola, S (Sechaba) | OpponentSebola, S (Sechaba) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd2 | typeStandard | result1 | ||
| OpponentGibson, L (Liam) | OpponentRamphele, R (Rethabile) | ||||||||
| 2 | 1 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | TournamentD4 Tshwane South District Schools Teams Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd1 | typeStandard | result1 | date2024-08-03 | rnd1 | typeStandard | result1 | ||
| OpponentSebola, S (Sechaba) | OpponentSebola, S (Sechaba) | ||||||||
| # | 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 | Sebola ,S (Sechaba) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Boonzaaier ,Z (Zachary Jesse) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1164.4 | 739.4 | 1200 | 739.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Ramphele ,R (Rethabile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Child ,H (Henry) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 5 | van Dyk ,N (Niki) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1216.5 | 791.5 | 1219.9 | 791.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Groenewald ,R (Ruan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.8 | 776.8 | 1181.3 | 776.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mmakola ,T (Thabang) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1247.2 | 822.2 | 1256 | 822.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Gibson ,L (Liam) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Barnardt ,Z (Zandré) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1211.1 | 786.1 | 1207.6 | 786.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|