PLAYER PAGE
Personal
De Klerk, AJ (Antonie)
Chess SA id
181006491FIDE id
?Date of birth
1981-01-23 (Adult)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-05-25Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1439.6 | 1441 | 1425 | 1425 |
| Raw rating | 1439.6 | 1441 | 1425 | 1425 |
| Weighted rating | 1438.2 | 1439.5 | 1425 | 1425 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 939.6 | 941 | 925 | 925 |
| K-factor | 32 | 32 | 32 | 32 |
| Min/Max rating change allowed | 117.9 | 117.6 | 120.3 | 120.3 |
| Highest rating | 1538.12024-05-01 | 1529.42024-05-01 | 14252018-06-01 | 14252018-06-01 |
| Highest raw rating | 1439.62024-06-01 | 14412024-06-01 | 14252024-02-01 | 14252024-02-01 |
| Highest weighted rating | 1437.42025-08-01 | 1438.62025-08-01 | 14252018-06-01 | 14252018-06-01 |
| Highest weighted performance | 1538.12024-05-01 | 1529.42024-05-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1439.6 | 1441 | 1425 | 1425 |
| Analysis | ||||
| Rating | 1439.6 | 1441 | 1425 | 1425 |
| Raw rating | 1439.6 | 1441 | 1425 | 1425 |
| Weighted rating | 1438.2 | 1439.5 | 1425 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 32 | 32 | 32 | 32 |
| Floor | 939.6 | 941 | 925 | 925 |
| Max/Min rating change allowed | 117.9 | 117.6 | 120.3 | 120.3 |
| 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 | 1439.6 | 1441 | 1425 | 1425 |
| New weighted rating | 1438.6 | 1439.9 | 1425 | 1425 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1439.6 | 1441 | 1425 | 1425 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1439.6 | 1441 | 1425 | 1425 |
| New K-factor | 32 | 32 | 32 | 32 |
| New floor | 939.6 | 941 | 925 | 925 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 11 | 11 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Ekurhuleni (GE) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 5 | 3 | 60 | 85 | 1440.5 | 1525.5 |
| Standard | 5 | 3 | 60 | 85 | 1440.5 | 1525.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-09-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-08-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-07-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-06-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-05-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-04-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-03-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-02-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2025-01-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-12-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-11-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-10-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-09-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-08-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-07-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-06-01 | 1439.6 | 1441 | 1425 | 1425 |
| 2024-08-01 | 1425 | 1425 | 1425 | 1425 |
| 2024-04-01 | 1425 | 1425 | 1425 | 1425 |
| 2024-03-01 | 1425 | 1425 | 1425 | 1425 |
| 2024-02-01 | 1425 | 1425 | 1425 | 1425 |
| 2024-01-01 | 1425 | 1425 | 1425 | 1425 |
| 2023-12-01 | 1425 | 1425 | 1425 | 1425 |
| 2023-11-01 | 1425 | 1425 | 1425 | 1425 |
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 | Chess Power House May Open 2024 (B) | 2024-05-25 | 2024-05-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House May Open 2024 | TournamentChess Power House May Open 2024 | ||||||
| date2024-05-25 | rnd1 | typeStandard | result1 | date2024-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMoyo, Z (Zenzo) | OpponentDikolomela, T (Tlhogi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House May Open 2024 | TournamentChess Power House May Open 2024 | ||||||
| date2024-05-25 | rnd1 | typeStandard | result1 | date2024-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMoyo, Z (Zenzo) | OpponentDikolomela, T (Tlhogi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House May Open 2024 | TournamentChess Power House May Open 2024 | ||||||
| date2024-05-25 | rnd1 | typeStandard | result1 | date2024-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMoyo, Z (Zenzo) | OpponentDikolomela, T (Tlhogi) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentChess Power House May Open 2024 | TournamentChess Power House May Open 2024 | ||||||
| date2024-05-25 | rnd1 | typeStandard | result1 | date2024-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMoyo, Z (Zenzo) | OpponentDikolomela, T (Tlhogi) | ||||||||
| # | 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 | Sinamane ,B (Blessings) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1337.9 | 912.9 | 1332.6 | 912.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Moyo ,Z (Zenzo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1398.1 | 1823.1 | 1385.2 | 1823.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Modisaotsile ,B (Botlhale) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1497.1 | 1922.1 | 1488.7 | 1922.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kagande ,K (Kieth) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1508.7 | 1083.7 | 1479.7 | 1083.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Dikolomela ,T (Tlhogi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1460.9 | 1885.9 | 1473.4 | 1885.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|