PLAYER PAGE
Personal

Van Jaarsveldt, J (Jayden)
Chess SA id
1140319307FIDE id
?Date of birth
2014-03-20 (U12)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-02Personal details last changed
1900-01-01Junior GPX Games
13Junior GPX Points
1324.5Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Raw rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Weighted rating | 1234.5 | 1238.2 | 1205.7 | 1200 |
Weighted performance | 0 | 0 | 0 | 0 |
Floor | 799.7 | 802.9 | 736.3 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 143.9 | 143.2 | 157.5 | 165.8 |
Highest rating | 1299.72025-09-01 | 1302.92025-07-01 | 1236.32025-09-01 | 12002025-05-05 |
Highest raw rating | 1299.72025-09-01 | 1302.92025-07-01 | 1236.32025-09-01 | 12002025-05-05 |
Highest weighted rating | 1227.82025-09-01 | 1224.22025-08-01 | 1202.92025-09-01 | 12002025-05-05 |
Highest weighted performance | 01900-01-01 | 01900-01-01 | 01900-01-01 | 01900-01-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Analysis | ||||
Rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Raw rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Weighted rating | 1234.5 | 1238.2 | 1205.7 | |
Weighted performance | 0 | 0 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 799.7 | 802.9 | 736.3 | 700 |
Max/Min rating change allowed | 143.9 | 143.2 | 157.5 | 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 | 1299.7 | 1302.9 | 1236.3 | 1200 |
New weighted rating | 1240.9 | 1244.7 | 1208.3 | 1200 |
New weighted performance | 0 | 0 | 0 | 0 |
Temp new rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1299.7 | 1302.9 | 1236.3 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 799.7 | 802.9 | 736.3 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
16 | 10 | 6 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 16 | 10 | 6 | 0 |
Games since | |||||||||||||||||
Main16 | Standard10 | Rapid6 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U12 | ||||||||||||||||
Region | Ekurhuleni (GE) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U12 | -1 | -1 | -1 | ||||||||||||||
U12 Male | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U12 | -1 | -1 | -1 | ||||||||||||||
U12 Male | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U12 | -1 | -1 | -1 | ||||||||||||||
U12 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U12 | -1 | -1 | -1 | ||||||||||||||
U12 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 | 16 | 11 | 68.75 | 159.4 | 1265.4 | 1424.8 |
Standard | 10 | 7 | 70 | 170 | 1290.8 | 1460.8 |
Rapid | 6 | 4 | 66.67 | 141.7 | 1223.1 | 1364.8 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 16 | 11 | 68.75 | 159.4 | 1265.4 | 1424.8 |
Standard | 10 | 7 | 70 | 170 | 1290.8 | 1460.8 |
Rapid | 6 | 4 | 66.67 | 141.7 | 1223.1 | 1364.8 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1299.7 | 1302.9 | 1236.3 | 1200 |
2025-09-01 | 1299.7 | 1302.9 | 1236.3 | 1200 |
2025-08-01 | 1287.8 | 1302.9 | 1200 | 1200 |
2025-07-01 | 1287.8 | 1302.9 | 1200 | 1200 |
2025-06-01 | 1248.7 | 1256.3 | 1200 | 1200 |
2025-05-01 | 1248.7 | 1256.3 | 1200 | 1200 |
2025-04-01 | 1200 | 1200 | 1200 | 1200 |
2025-03-01 | 1200 | 1200 | 1200 | 1200 |
2025-02-01 | 1200 | 1200 | 1200 | 1200 |
2025-01-01 | 1200 | 1200 | 1200 | 1200 |
2024-12-01 | 1200 | 1200 | 1200 | 1200 |
2024-11-01 | 1200 | 1200 | 1200 | 1200 |
2024-10-01 | 1200 | 1200 | 1200 | 1200 |
2024-09-01 | 1200 | 1200 | 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 | Benoni Primary School Cluster Teams 2025 (U11A) | 2025-08-02 | 2025-08-02 | Rapid | Ekurhuleni (GE) | 7 | 6 | 4 | Yes | Analysis |
2 | Ekurhuleni North School District Finals 2025 (U11 Boys) | 2025-06-14 | 2025-06-14 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
3 | Benoni Primary School Cluster 12 April 2025 (U11 Open) | 2025-04-12 | 2025-04-12 | Standard | Ekurhuleni (GE) | 5 | 5 | 4 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | Benoni Primary School Cluster Teams 2025 (U11A) | 2025-08-02 | 2025-08-02 | Rapid | Ekurhuleni (GE) | 7 | 6 | 4 | Yes | Analysis |
2 | Ekurhuleni North School District Finals 2025 (U11 Boys) | 2025-06-14 | 2025-06-14 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
3 | Benoni Primary School Cluster 12 April 2025 (U11 Open) | 2025-04-12 | 2025-04-12 | Standard | Ekurhuleni (GE) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentEkurhuleni North School District Finals 2025 | ||||||
date2025-04-12 | rnd4 | typeStandard | result1 | date2025-06-14 | rnd3 | typeStandard | result1 | ||
OpponentVolschenk, Z (Zuan) | OpponentStroebel, L (Ludrik) | ||||||||
2 | 4 | TournamentBenoni Primary School Cluster Teams 2025 | TournamentBenoni Primary School Cluster Teams 2025 | ||||||
date2025-08-02 | rnd1 | typeRapid | result1 | date2025-08-02 | rnd4 | typeRapid | result1 | ||
OpponentKarsas, S (Sophia) | OpponentStevens, L (Luke) | ||||||||
3 | 2 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentBenoni Primary School Cluster 12 April 2025 | ||||||
date2025-04-12 | rnd1 | typeStandard | result1 | date2025-04-12 | rnd2 | typeStandard | result1 | ||
OpponentKuhn, Z (Zane) | OpponentSardinha, S (Seveano) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentEkurhuleni North School District Finals 2025 | ||||||
date2025-04-12 | rnd4 | typeStandard | result1 | date2025-06-14 | rnd3 | typeStandard | result1 | ||
OpponentVolschenk, Z (Zuan) | OpponentStroebel, L (Ludrik) | ||||||||
2 | 2 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentBenoni Primary School Cluster 12 April 2025 | ||||||
date2025-04-12 | rnd1 | typeStandard | result1 | date2025-04-12 | rnd2 | typeStandard | result1 | ||
OpponentKuhn, Z (Zane) | OpponentSardinha, S (Seveano) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentBenoni Primary School Cluster Teams 2025 | TournamentBenoni Primary School Cluster Teams 2025 | ||||||
date2025-08-02 | rnd1 | typeRapid | result1 | date2025-08-02 | rnd4 | typeRapid | result1 | ||
OpponentKarsas, S (Sophia) | OpponentStevens, L (Luke) |
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentEkurhuleni North School District Finals 2025 | ||||||
date2025-04-12 | rnd4 | typeStandard | result1 | date2025-06-14 | rnd3 | typeStandard | result1 | ||
OpponentVolschenk, Z (Zuan) | OpponentStroebel, L (Ludrik) | ||||||||
2 | 4 | TournamentBenoni Primary School Cluster Teams 2025 | TournamentBenoni Primary School Cluster Teams 2025 | ||||||
date2025-08-02 | rnd1 | typeRapid | result1 | date2025-08-02 | rnd4 | typeRapid | result1 | ||
OpponentKarsas, S (Sophia) | OpponentStevens, L (Luke) | ||||||||
3 | 2 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentBenoni Primary School Cluster 12 April 2025 | ||||||
date2025-04-12 | rnd1 | typeStandard | result1 | date2025-04-12 | rnd2 | typeStandard | result1 | ||
OpponentKuhn, Z (Zane) | OpponentSardinha, S (Seveano) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentEkurhuleni North School District Finals 2025 | ||||||
date2025-04-12 | rnd4 | typeStandard | result1 | date2025-06-14 | rnd3 | typeStandard | result1 | ||
OpponentVolschenk, Z (Zuan) | OpponentStroebel, L (Ludrik) | ||||||||
2 | 2 | TournamentBenoni Primary School Cluster 12 April 2025 | TournamentBenoni Primary School Cluster 12 April 2025 | ||||||
date2025-04-12 | rnd1 | typeStandard | result1 | date2025-04-12 | rnd2 | typeStandard | result1 | ||
OpponentKuhn, Z (Zane) | OpponentSardinha, S (Seveano) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentBenoni Primary School Cluster Teams 2025 | TournamentBenoni Primary School Cluster Teams 2025 | ||||||
date2025-08-02 | rnd1 | typeRapid | result1 | date2025-08-02 | rnd4 | typeRapid | result1 | ||
OpponentKarsas, S (Sophia) | OpponentStevens, L (Luke) |
# | 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 | Schmidt ,C (Christian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1195.5 | 770.5 | 1196.9 | 770.5 | 0 | 0 | 0 | 0 | ||||||
2 | Pillay ,J (Joshua) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1343.6 | 918.6 | 1345 | 918.6 | 0 | 0 | 0 | 0 | ||||||
3 | Stroebel ,L (Ludrik) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1418.5 | 1843.5 | 1417.3 | 1843.5 | 0 | 0 | 0 | 0 | ||||||
4 | Rampou ,K (Kgakamatso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
5 | Sithole ,A (Adiel Ean) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1526.3 | 1101.3 | 1558.3 | 1101.3 | 0 | 0 | 0 | 0 | ||||||
6 | Van Wyk ,N (Nathan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1223.8 | 1648.8 | 1216.2 | 1648.8 | 0 | 0 | 0 | 0 | ||||||
7 | Els ,L (Luan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1413.8 | 1838.8 | 1407.3 | 1838.8 | 0 | 0 | 0 | 0 | ||||||
8 | Volschenk ,Z (Zuan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1201.3 | 1626.3 | 1176.6 | 1626.3 | 0 | 0 | 0 | 0 | ||||||
9 | Kuhn ,Z (Zane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1183.8 | 1608.8 | 1168.9 | 1608.8 | 0 | 0 | 0 | 0 | ||||||
10 | Sardinha ,S (Seveano) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1202.1 | 1627.1 | 1198 | 1627.1 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|