PLAYER PAGE
Personal
De Beer, A (Aj)
Chess SA id
1080149070FIDE id
?Date of birth
2008-03-02 (U18)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-02-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Raw rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Weighted rating | 1179.2 | 1175.1 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 169 | 169.7 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Raw rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Weighted rating | 1179.2 | 1175.1 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 169 | 169.7 | 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 | 1186.6 | 1183.9 | 1200 | 1200 |
| New weighted rating | 1180.3 | 1176.4 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1186.6 | 1183.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1186.6 | 1183.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 15 | 15 | 0 | 0 |
| Games since | |||||||||||||||||
| Main10 | Standard10 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 5 | 3 | 60 | 85 | 1189.9 | 1274.9 |
| Standard | 5 | 3 | 60 | 85 | 1189.9 | 1274.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 15 | 6.5 | 43.33 | -56.7 | 1211.7 | 1155 |
| Standard | 15 | 6.5 | 43.33 | -56.7 | 1211.7 | 1155 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-09-30 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-09-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-08-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-07-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-06-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-05-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-04-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-03-01 | 1186.6 | 1183.9 | 1200 | 1200 |
| 2025-02-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2025-01-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-12-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-11-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-10-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-09-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-08-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-07-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-09-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-05-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-04-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-03-01 | 1169.1 | 1163.2 | 1200 | 1200 |
| 2024-02-01 | 1147.2 | 1135.2 | 1200 | 1200 |
| 2024-01-01 | 1147.2 | 1135.2 | 1200 | 1200 |
| 2023-12-01 | 1147.2 | 1135.2 | 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 | Grey College Team Championship 2025 (B) | 2025-02-21 | 2025-02-22 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Grey College Team Championship 2025 (B) | 2025-02-21 | 2025-02-22 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Grey College Team Championship 2024 (B) | 2024-02-23 | 2024-02-24 | Standard | Mangaung (FMB) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Grey College Team Championship 2023 (B) | 2023-02-03 | 2023-02-04 | Standard | Mangaung (FMB) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2024 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2024-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentJacobs, C (Christine) | OpponentNtozakhe, S (Siyolise) | ||||||||
| 2 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| Opponentvan der Heever, K (Keanu) | OpponentMoeletsi, L (Letlotlo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2024 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2024-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentJacobs, C (Christine) | OpponentNtozakhe, S (Siyolise) | ||||||||
| 2 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| Opponentvan der Heever, K (Keanu) | OpponentMoeletsi, L (Letlotlo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| Opponentvan der Heever, K (Keanu) | OpponentMoeletsi, L (Letlotlo) | ||||||||
| 2 | 2 | TournamentGrey College Team Championship 2024 | TournamentGrey College Team Championship 2024 | ||||||
| date2024-02-23 | rnd2 | typeStandard | result1 | date2024-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentGoosen, M (Mieke) | OpponentNtozakhe, S (Siyolise) | ||||||||
| 3 | 1 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-04 | rnd5 | typeStandard | result1 | ||
| OpponentJacobs, C (Christine) | OpponentJacobs, C (Christine) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd4 | typeStandard | result1 | ||
| Opponentvan der Heever, K (Keanu) | OpponentMoeletsi, L (Letlotlo) | ||||||||
| 2 | 2 | TournamentGrey College Team Championship 2024 | TournamentGrey College Team Championship 2024 | ||||||
| date2024-02-23 | rnd2 | typeStandard | result1 | date2024-02-23 | rnd3 | typeStandard | result1 | ||
| OpponentGoosen, M (Mieke) | OpponentNtozakhe, S (Siyolise) | ||||||||
| 3 | 1 | TournamentGrey College Team Championship 2023 | TournamentGrey College Team Championship 2023 | ||||||
| date2023-02-04 | rnd5 | typeStandard | result1 | date2023-02-04 | rnd5 | typeStandard | result1 | ||
| OpponentJacobs, C (Christine) | OpponentJacobs, C (Christine) | ||||||||
| # | 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 | Goosen ,M (Mieke) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.4 | 1592.4 | 1162.4 | 1592.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Snybert ,S (Stefan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.6 | 782.6 | 1200 | 782.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | van der Heever ,K (Keanu) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Dreyer ,K (Karmen) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mokoena ,T (Tshepo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1239.5 | 814.5 | 1178.4 | 814.5 | 0 | 0 | 0 | 0 | ||||||
| 6 | Piek ,X (Xander) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Rizvi ,A (Anam) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1164 | 739 | 1138.6 | 739 | 0 | 0 | 0 | 0 | ||||||
| 8 | Bennie ,J (Johannes) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1433.1 | 1433.1 | 1423.5 | 1433.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Moeletsi ,L (Letlotlo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1212 | 1637 | 1214 | 1637 | 0 | 0 | 0 | 0 | ||||||
| 10 | Jacobs ,C (Christine) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1171.5 | 1596.5 | 1201.6 | 1596.5 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

