PLAYER PAGE
Personal
Pelser, A (Aidan)
Chess SA id
1160143816FIDE id
?Date of birth
2016-01-04 (U10)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-09Personal details last changed
1900-01-01Junior GPX Games
29Junior GPX Points
1323.8| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1392.1 | 1392.8 | 1200 | 1200 |
| Raw rating | 1385 | 1385.8 | 1200 | 1200 |
| Weighted rating | 1392.1 | 1392.8 | 1200 | 1200 |
| Weighted performance | 1261.7 | 1260.7 | 0 | 0 |
| Floor | 928 | 932.2 | 700 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 127.4 | 127.3 | 165.8 | 165.8 |
| Highest rating | 1439.12024-06-01 | 1439.22024-06-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 14282025-04-01 | 1432.22025-04-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 13892025-09-01 | 1432.22025-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1439.12024-06-01 | 1439.22024-06-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 1.1 | 1 | 0 | 0 |
| New rating | 1393.1 | 1393.8 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1392.1 | 1392.8 | 1200 | 1200 |
| Raw rating | 1385 | 1385.8 | 1200 | 1200 |
| Weighted rating | 1392.1 | 1392.8 | 1200 | |
| Weighted performance | 1261.7 | 1260.7 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 928 | 932.2 | 700 | 700 |
| Max/Min rating change allowed | 127.4 | 127.3 | 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 | 1385 | 1385.8 | 1200 | 1200 |
| New weighted rating | 1393.1 | 1393.8 | 1200 | 1200 |
| New weighted performance | 1254 | 1253 | 0 | 0 |
| Temp new rating | 1393.1 | 1393.8 | 1200 | 1200 |
| Temp new rating +/- | 1.1 | 1 | 0 | 0 |
| Final new rating +/- | 1.1 | 1 | 0 | 0 |
| New rating | 1393.1 | 1393.8 | 1200 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 928 | 932.2 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 24 | 24 | 0 | 0 | |
| 46 | 46 | 0 | 0 | |
| 31 | 31 | 0 | 0 | |
| 28 | 28 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 129 | 129 | 0 | 0 |
| Games since | |||||||||||||||||
| Main75 | Standard75 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2270 | 799 | 251 | ||||||||||||||
| Male | 1844 | 638 | 204 | ||||||||||||||
| U10 | 155 | 68 | 25 | ||||||||||||||
| U10 Male | 134 | 63 | 22 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2177 | 810 | 248 | ||||||||||||||
| Male | 1770 | 652 | 201 | ||||||||||||||
| U10 | 150 | 70 | 25 | ||||||||||||||
| U10 Male | 129 | 63 | 21 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 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 | 24 | 12 | 50 | 0 | 1358.8 | 1358.8 |
| Standard | 24 | 12 | 50 | 0 | 1358.8 | 1358.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 129 | 73.5 | 56.98 | 59.3 | 1268.3 | 1327.6 |
| Standard | 129 | 73.5 | 56.98 | 59.3 | 1268.3 | 1327.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1385 | 1385.8 | 1200 | 1200 |
| 2025-09-30 | 1385 | 1385.8 | 1200 | 1200 |
| 2025-09-01 | 1385 | 1385.8 | 1200 | 1200 |
| 2025-08-01 | 1385.7 | 1386 | 1200 | 1200 |
| 2025-07-01 | 1405.2 | 1402.8 | 1200 | 1200 |
| 2025-06-01 | 1423.5 | 1426.5 | 1200 | 1200 |
| 2025-05-01 | 1428 | 1432.2 | 1200 | 1200 |
| 2025-04-01 | 1428 | 1432.2 | 1200 | 1200 |
| 2025-03-01 | 1400 | 1398.7 | 1200 | 1200 |
| 2025-02-01 | 1400 | 1398.7 | 1200 | 1200 |
| 2025-01-01 | 1400 | 1398.7 | 1200 | 1200 |
| 2024-12-01 | 1400 | 1398.7 | 1200 | 1200 |
| 2024-11-01 | 1400 | 1398.7 | 1200 | 1200 |
| 2024-10-01 | 1401.1 | 1399.7 | 1200 | 1200 |
| 2024-09-01 | 1401.1 | 1399.7 | 1200 | 1200 |
| 2024-08-01 | 1400 | 1397.5 | 1200 | 1200 |
| 2024-07-01 | 1410.6 | 1411.3 | 1200 | 1200 |
| 2024-09-01 | 1349.5 | 1355.3 | 1200 | 1200 |
| 2024-05-01 | 1290 | 1293.7 | 1200 | 1200 |
| 2024-04-01 | 1290 | 1293.7 | 1200 | 1200 |
| 2024-03-01 | 1284.9 | 1288.7 | 1200 | 1200 |
| 2024-02-01 | 1284.9 | 1288.7 | 1200 | 1200 |
| 2024-01-01 | 1293.9 | 1304.5 | 1200 | 1200 |
| 2023-12-01 | 1293.9 | 1304.5 | 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 | JMC Closed 2025 (U10) | 2025-08-09 | 2025-08-09 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 2 | JMC - Trinity Randpark Ridge 2025 (U10) | 2025-07-26 | 2025-07-26 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 3 | JMC Helpmekaar 2025 (U10) | 2025-06-01 | 2025-06-01 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 4 | JMC Crawford Sandton 2025 (U10) | 2025-05-10 | 2025-05-10 | Standard | Johannesburg Metro (GJM) | 5 | 4 | 2 | Yes | Analysis |
| 5 | JMC Crawford Ruimsig 2025 (U10) | 2025-03-01 | 2025-03-01 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | JMC Closed 2025 (U10) | 2025-08-09 | 2025-08-09 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 2 | JMC - Trinity Randpark Ridge 2025 (U10) | 2025-07-26 | 2025-07-26 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 3 | JMC Helpmekaar 2025 (U10) | 2025-06-01 | 2025-06-01 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
| 4 | JMC Crawford Sandton 2025 (U10) | 2025-05-10 | 2025-05-10 | Standard | Johannesburg Metro (GJM) | 5 | 4 | 2 | Yes | Analysis |
| 5 | JMC Crawford Ruimsig 2025 (U10) | 2025-03-01 | 2025-03-01 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 6 | Gauteng Top Schools 2024 (U9 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 2.5 | Yes | Analysis |
| 7 | JMC Closed 2024 (U10) | 2024-08-09 | 2024-08-09 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 8 | JMC Trinityhouse Randpark Ridge 2024 (U10) | 2024-07-13 | 2024-07-13 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 9 | JMC Trinityhouse Little Falls 2024 (U10) | 2024-06-02 | 2024-06-02 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 10 | JMC Crawford International Sandton 2024 (U10) | 2024-05-11 | 2024-05-11 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 11 | South African Junior Closed Chess Championship 2024 (U8 Open) | 2024-04-27 | 2024-05-01 | Standard | Ekurhuleni (GE) | 9 | 9 | 5 | Yes | Analysis |
| 12 | JMC Unika School Tournament 2024 (U10) | 2024-03-02 | 2024-03-02 | Standard | Johannesburg Metro (GJM) | 5 | 2 | 1 | Yes | Analysis |
| 13 | 2024 Gauteng Inter-Region Chess Championship (U8) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 14 | JMC Kick Off Tournament 2024 (U10) | 2024-01-28 | 2024-01-28 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 15 | Africawide Chess Championship 2023 (Development A) | 2023-11-04 | 2023-11-04 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2.5 | Yes | Analysis |
| 16 | 2023 Centurion Chess Open (E) | 2023-09-23 | 2023-09-23 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 17 | JMC Closed Aug 2023 (U8) | 2023-08-04 | 2023-08-06 | Standard | Johannesburg Metro (GJM) | 6 | 6 | 3 | Yes | Analysis |
| 18 | JMC Trinity Little Falls 2023 (U8) | 2023-07-02 | 2023-07-02 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 19 | JNW Open - Trinityhouse Little Falls 2023 (U8) | 2023-05-13 | 2023-05-13 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 20 | 2023 Piet Robbertse Fide Rated Open Chess Tournament (F) | 2023-02-04 | 2023-02-04 | Standard | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
| 21 | 2022 South African Junior Wild Card Chess Championships (U8 Open) | 2022-12-09 | 2022-12-12 | Standard | 4 Knights (4K) | 7 | 6 | 2 | Yes | Analysis |
| 22 | 2022 South African Junior Team Chess Championships (U8 Open+Girls) | 2022-12-04 | 2022-12-08 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
| 23 | JMC 3rd Trials 2022 (U8) | 2022-09-11 | 2022-09-11 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 24 | JMC 2nd Trials 2022 (U8) | 2022-08-27 | 2022-08-27 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 25 | JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) | 2022-07-24 | 2022-07-24 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 | Tournament2022 South African Junior Wild Card Chess Championships | TournamentJNW Open - Trinityhouse Little Falls 2023 | ||||||
| date2022-12-11 | rnd5 | typeStandard | result0.5 | date2023-05-13 | rnd4 | typeStandard | result1 | ||
| OpponentLabuschagne, P (Phillip) | OpponentConradie, D (David) | ||||||||
| 2 | 6 | TournamentJMC Trinityhouse Little Falls 2024 | TournamentJMC Trinityhouse Randpark Ridge 2024 | ||||||
| date2024-06-02 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd3 | typeStandard | result1 | ||
| OpponentNaidoo, K (Kehan) | OpponentKilari, S (Suveer) | ||||||||
| 3 | 5 | TournamentJMC Trinity Little Falls 2023 | TournamentJMC Closed Aug 2023 | ||||||
| date2023-07-02 | rnd2 | typeStandard | result1 | date2023-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentDlamini, B (Busani) | OpponentDeysel, Z (Zachariah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 | Tournament2022 South African Junior Wild Card Chess Championships | TournamentJNW Open - Trinityhouse Little Falls 2023 | ||||||
| date2022-12-11 | rnd5 | typeStandard | result0.5 | date2023-05-13 | rnd4 | typeStandard | result1 | ||
| OpponentLabuschagne, P (Phillip) | OpponentConradie, D (David) | ||||||||
| 2 | 6 | TournamentJMC Trinityhouse Little Falls 2024 | TournamentJMC Trinityhouse Randpark Ridge 2024 | ||||||
| date2024-06-02 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd3 | typeStandard | result1 | ||
| OpponentNaidoo, K (Kehan) | OpponentKilari, S (Suveer) | ||||||||
| 3 | 5 | TournamentJMC Trinity Little Falls 2023 | TournamentJMC Closed Aug 2023 | ||||||
| date2023-07-02 | rnd2 | typeStandard | result1 | date2023-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentDlamini, B (Busani) | OpponentDeysel, Z (Zachariah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentJMC Trinityhouse Little Falls 2024 | TournamentJMC Trinityhouse Randpark Ridge 2024 | ||||||
| date2024-06-02 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd3 | typeStandard | result1 | ||
| OpponentNaidoo, K (Kehan) | OpponentKilari, S (Suveer) | ||||||||
| 2 | 6 | Tournament2023 Piet Robbertse Fide Rated Open Chess Tournament | TournamentJNW Open - Trinityhouse Little Falls 2023 | ||||||
| date2023-02-04 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentDeysel, E (Eli) | OpponentGerber, Z (Zoe) | ||||||||
| 3 | 5 | TournamentJMC Trinity Little Falls 2023 | TournamentJMC Closed Aug 2023 | ||||||
| date2023-07-02 | rnd2 | typeStandard | result1 | date2023-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentDlamini, B (Busani) | OpponentDeysel, Z (Zachariah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentJMC Trinityhouse Little Falls 2024 | TournamentJMC Trinityhouse Randpark Ridge 2024 | ||||||
| date2024-06-02 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd3 | typeStandard | result1 | ||
| OpponentNaidoo, K (Kehan) | OpponentKilari, S (Suveer) | ||||||||
| 2 | 6 | Tournament2023 Piet Robbertse Fide Rated Open Chess Tournament | TournamentJNW Open - Trinityhouse Little Falls 2023 | ||||||
| date2023-02-04 | rnd1 | typeStandard | result1 | date2023-05-13 | rnd1 | typeStandard | result1 | ||
| OpponentDeysel, E (Eli) | OpponentGerber, Z (Zoe) | ||||||||
| 3 | 5 | TournamentJMC Trinity Little Falls 2023 | TournamentJMC Closed Aug 2023 | ||||||
| date2023-07-02 | rnd2 | typeStandard | result1 | date2023-08-04 | rnd1 | typeStandard | result1 | ||
| OpponentDlamini, B (Busani) | OpponentDeysel, Z (Zachariah) | ||||||||
| # | 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 | Stelloh ,A (Alexander) | 4 | 2.5 | 106.2 | 4 | 2.5 | 106.2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1275.2 | 1381.4 | 1292.8 | 1381.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Gerber ,Z (Zoe) | 4 | 3 | 212.5 | 4 | 3 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1112.3 | 1324.8 | 1111.4 | 1324.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Taylor ,M (Matthew) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1279.3 | 996 | 1294.3 | 996 | 0 | 0 | 0 | 0 | ||||||
| 4 | Koorts ,L (Lukas) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1599.9 | 1174.9 | 1623.9 | 1174.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Steyn ,K (Kian) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1557.6 | 1132.6 | 1562 | 1132.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Labuschagne ,P (Phillip) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1363.2 | 1079.8 | 1375.3 | 1079.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Exarchos ,I (Isabella) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.3 | 940 | 1192.2 | 940 | 0 | 0 | 0 | 0 | ||||||
| 8 | Conradie ,M (Minka) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1399.5 | 1257.8 | 1397.1 | 1257.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Malemane ,A (Atlehang Faith) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1132.7 | 1557.7 | 1150.6 | 1557.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kwint ,J (Jack) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1187.9 | 1400.4 | 1188.8 | 1400.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

