PLAYER PAGE
Personal
De Klerk, A (Antonie)
Chess SA id
1110109352FIDE id
?Date of birth
2011-04-06 (U16)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-16Personal details last changed
1900-01-01Junior GPX Games
30Junior GPX Points
1298.1| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Raw rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Weighted rating | 1207.8 | 1207.5 | 1200 | 1200 |
| Weighted performance | 1251.6 | 1248.6 | 0 | 0 |
| Floor | 769.6 | 771.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 150.2 | 149.7 | 165.8 | 165.8 |
| Highest rating | 1269.62025-09-01 | 1271.62025-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1269.62025-09-01 | 1271.62025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1245.32018-10-01 | 1242.62018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1264.62025-09-01 | 1261.72025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Raw rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Weighted rating | 1207.8 | 1207.5 | 1200 | |
| Weighted performance | 1251.6 | 1248.6 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 769.6 | 771.6 | 700 | 700 |
| Max/Min rating change allowed | 150.2 | 149.7 | 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 | 1269.6 | 1271.6 | 1200 | 1200 |
| New weighted rating | 1214.3 | 1214.3 | 1200 | 1200 |
| New weighted performance | 1251.1 | 1248.2 | 0 | 0 |
| Temp new rating | 1269.6 | 1271.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1269.6 | 1271.6 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 769.6 | 771.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 30 | 30 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 50 | 50 | 0 | 0 |
| Games since | |||||||||||||||||
| Main30 | Standard30 | 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 | 3328 | 1186 | 451 | ||||||||||||||
| Male | 2580 | 929 | 351 | ||||||||||||||
| U16 | 548 | 191 | 68 | ||||||||||||||
| U16 Male | 398 | 135 | 51 | ||||||||||||||
| 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 | 30 | 17 | 56.67 | 56.7 | 1246.1 | 1302.8 |
| Standard | 30 | 17 | 56.67 | 56.7 | 1246.1 | 1302.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 50 | 26 | 52 | 17 | 1202 | 1219 |
| Standard | 50 | 26 | 52 | 17 | 1202 | 1219 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1269.6 | 1271.6 | 1200 | 1200 |
| 2025-09-01 | 1269.6 | 1271.6 | 1200 | 1200 |
| 2025-08-01 | 1245.3 | 1242.6 | 1200 | 1200 |
| 2025-07-01 | 1245.3 | 1242.6 | 1200 | 1200 |
| 2025-06-01 | 1245.3 | 1242.6 | 1200 | 1200 |
| 2025-05-01 | 1232.3 | 1238.6 | 1200 | 1200 |
| 2025-04-01 | 1232.3 | 1238.6 | 1200 | 1200 |
| 2025-03-01 | 1232.3 | 1240.4 | 1200 | 1200 |
| 2025-02-01 | 1177.2 | 1178.3 | 1200 | 1200 |
| 2025-01-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-12-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-11-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-10-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-09-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-08-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-07-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-06-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-08-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-04-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-03-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-02-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2024-01-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2023-12-01 | 1156.9 | 1153.6 | 1200 | 1200 |
| 2023-11-01 | 1156.9 | 1153.6 | 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 (U15A) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane South School District Individual Finals (D4) (U15 Boys) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 3 | AHS Open Chess Tournament 2025 (D) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | Grey College Team Championship 2025 (B) | 2025-02-21 | 2025-02-22 | Standard | Mangaung (FMB) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | Constantiapark Open 2025 (D) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | 2025 Tshwane Chess OPEN Registration Tournament (C) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | 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 (U15A) | 2025-08-16 | 2025-08-16 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane South School District Individual Finals (D4) (U15 Boys) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 3 | AHS Open Chess Tournament 2025 (D) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | Grey College Team Championship 2025 (B) | 2025-02-21 | 2025-02-22 | Standard | Mangaung (FMB) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | Constantiapark Open 2025 (D) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | 2025 Tshwane Chess OPEN Registration Tournament (C) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 7 | 2019 Lardies Open (E) | 2019-10-26 | 2019-10-26 | Standard | Tshwane (GTP) | 5 | 5 | 3.5 | Yes | Analysis |
| 8 | 2019 D4 Individual Finals (U9 Mixed) | 2019-03-09 | 2019-03-09 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | 2019 TuksChess Open (C) | 2019-02-23 | 2019-02-23 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 10 | 2019 Constantia Park Open (E) | 2019-02-09 | 2019-02-09 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Lardies Open | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2019-10-26 | rnd2 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
| OpponentSwanepoel, R (Richter) | OpponentZhang, Y (Yufei) | ||||||||
| 2 | 4 | TournamentAHS Open Chess Tournament 2025 | Tournament2025 Tshwane South School District Individual Finals (D4) | ||||||
| date2025-03-01 | rnd3 | typeStandard | result0.5 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentFocaraccio, C (Cai) | OpponentRAMOSHABA, T (TSHIRELETSO) | ||||||||
| 3 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentBoshoff, C (Chene) | OpponentKingon, J (Jonah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Lardies Open | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2019-10-26 | rnd2 | typeStandard | result1 | date2025-01-25 | rnd1 | typeStandard | result1 | ||
| OpponentSwanepoel, R (Richter) | OpponentZhang, Y (Yufei) | ||||||||
| 2 | 4 | TournamentAHS Open Chess Tournament 2025 | Tournament2025 Tshwane South School District Individual Finals (D4) | ||||||
| date2025-03-01 | rnd3 | typeStandard | result0.5 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentFocaraccio, C (Cai) | OpponentRAMOSHABA, T (TSHIRELETSO) | ||||||||
| 3 | 3 | TournamentGrey College Team Championship 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-21 | rnd3 | typeStandard | result1 | date2025-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentBoshoff, C (Chene) | OpponentKingon, J (Jonah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentAHS Open Chess Tournament 2025 | Tournament2025 Tshwane South School District Individual Finals (D4) | ||||||
| date2025-03-01 | rnd4 | typeStandard | result1 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentVan Wyngaard, G (George) | OpponentRAMOSHABA, T (TSHIRELETSO) | ||||||||
| 2 | 3 | TournamentConstantiapark Open 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result1 | date2025-02-21 | rnd1 | typeStandard | result1 | ||
| OpponentCoetzer, J (Jeann-Louis) | OpponentNgowi, L (Leo) | ||||||||
| 3 | 3 | Tournament2019 Lardies Open | Tournament2019 Lardies Open | ||||||
| date2019-10-26 | rnd2 | typeStandard | result1 | date2019-10-26 | rnd4 | typeStandard | result1 | ||
| OpponentSwanepoel, R (Richter) | OpponentJanse Van Rensburg, LA (Leander) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentAHS Open Chess Tournament 2025 | Tournament2025 Tshwane South School District Individual Finals (D4) | ||||||
| date2025-03-01 | rnd4 | typeStandard | result1 | date2025-05-10 | rnd1 | typeStandard | result1 | ||
| OpponentVan Wyngaard, G (George) | OpponentRAMOSHABA, T (TSHIRELETSO) | ||||||||
| 2 | 3 | TournamentConstantiapark Open 2025 | TournamentGrey College Team Championship 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result1 | date2025-02-21 | rnd1 | typeStandard | result1 | ||
| OpponentCoetzer, J (Jeann-Louis) | OpponentNgowi, L (Leo) | ||||||||
| 3 | 3 | Tournament2019 Lardies Open | Tournament2019 Lardies Open | ||||||
| date2019-10-26 | rnd2 | typeStandard | result1 | date2019-10-26 | rnd4 | typeStandard | result1 | ||
| OpponentSwanepoel, R (Richter) | OpponentJanse Van Rensburg, LA (Leander) | ||||||||
| # | 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 | Kock ,L (Luca) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1508.7 | 1083.7 | 1510.8 | 1083.7 | 0 | 0 | 0 | 0 | ||||||
| 2 | Pretorius ,FJ (Frederik Johannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 3 | Kholong ,B (Bonolo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mellet ,G (Gilan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Wyngaard ,G (George) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1194.3 | 1619.3 | 1192.1 | 1619.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Asante ,P (Prince) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1157.1 | 1582.1 | 1150.7 | 1582.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Venter ,M (Marko) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | De Bruin ,H (Hanno) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1222.5 | 1647.5 | 1202.4 | 1647.5 | 0 | 0 | 0 | 0 | ||||||
| 9 | Anderson ,AP (Aidan Pierre) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1428.6 | 1003.6 | 1420.4 | 1003.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Muller ,C (Christian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1137.9 | 712.9 | 1137.2 | 712.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|