PLAYER PAGE
Personal

Van Niekerk, J (Jazwon)
Chess SA id
1070151317FIDE id
?Date of birth
2007-07-18 (U20)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-03-08Personal details last changed
1900-01-01Junior GPX Games
10Junior GPX Points
1201.4Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1242.5 | 1231.8 | 1217.6 | 1200 |
Raw rating | 1242.4 | 1231.8 | 1217.6 | 1200 |
Weighted rating | 1242.5 | 1230.9 | 1217 | 1200 |
Weighted performance | 1089.8 | 1081.5 | 0 | 0 |
Floor | 759.4 | 751 | 717.6 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 156.1 | 158.5 | 161.7 | 165.8 |
Highest rating | 1346.32023-03-01 | 1339.22023-03-01 | 1283.52024-02-01 | 12002018-10-01 |
Highest raw rating | 1259.42024-03-01 | 12512024-03-01 | 1217.62024-03-01 | 12002024-03-01 |
Highest weighted rating | 1259.42025-03-01 | 12512024-03-01 | 1216.42025-08-01 | 12002018-10-01 |
Highest weighted performance | 1346.32023-03-01 | 1339.22023-03-01 | 1283.52024-02-01 | 12002024-03-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1242.5 | 1231.8 | 1217.6 | 1200 |
Analysis | ||||
Rating | 1242.5 | 1231.8 | 1217.6 | 1200 |
Raw rating | 1242.4 | 1231.8 | 1217.6 | 1200 |
Weighted rating | 1242.5 | 1230.9 | 1217 | |
Weighted performance | 1089.8 | 1081.5 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 759.4 | 751 | 717.6 | 700 |
Max/Min rating change allowed | 156.1 | 158.5 | 161.7 | 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 | 1242.4 | 1231.8 | 1217.6 | 1200 |
New weighted rating | 1242.5 | 1230.9 | 1217.2 | 1200 |
New weighted performance | 1089.4 | 1081 | 0 | 0 |
Temp new rating | 1242.5 | 1231.8 | 1217.6 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1242.5 | 1231.8 | 1217.6 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 759.4 | 751 | 717.6 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
10 | 10 | 0 | 0 | |
15 | 9 | 6 | 0 | |
10 | 10 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 35 | 29 | 6 | 0 |
Games since | |||||||||||||||||
Main25 | Standard19 | Rapid6 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U20 | ||||||||||||||||
Region | Cape Winelands (WCW) | ||||||||||||||||
Province | Western Cape (WC) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U20 | -1 | -1 | -1 | ||||||||||||||
U20 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 | 10 | 4 | 40 | -85 | 1295.2 | 1210.2 |
Standard | 10 | 4 | 40 | -85 | 1295.2 | 1210.2 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 35 | 16.5 | 47.14 | -24.3 | 1289.1 | 1264.8 |
Standard | 29 | 13.5 | 46.55 | -29.3 | 1281 | 1251.7 |
Rapid | 6 | 3 | 50 | 0 | 1328.4 | 1328.4 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-09-01 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-08-01 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-07-01 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-06-01 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-05-01 | 1242.4 | 1231.8 | 1217.6 | 1200 |
2025-04-01 | 1241.9 | 1231.6 | 1217.6 | 1200 |
2025-03-01 | 1245.7 | 1236.1 | 1217.6 | 1200 |
2025-02-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2025-01-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-12-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-11-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-10-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-09-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-08-01 | 1248.1 | 1235.6 | 1217.6 | 1200 |
2024-07-01 | 1219.7 | 1199.2 | 1217.6 | 1200 |
2024-06-01 | 1219.7 | 1199.2 | 1217.6 | 1200 |
2024-08-01 | 1219.7 | 1199.2 | 1217.6 | 1200 |
2024-04-01 | 1219.7 | 1199.2 | 1217.6 | 1200 |
2024-03-01 | 1259.4 | 1251 | 1217.6 | 1200 |
2024-02-01 | 1246.8 | 1251 | 1200 | 1200 |
2024-01-01 | 1246.8 | 1251 | 1200 | 1200 |
2023-12-01 | 1246.8 | 1251 | 1200 | 1200 |
2023-11-01 | 1246.8 | 1251 | 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 | Cape Winelands Schools Prestige 2025 (U19 Boys) | 2025-03-08 | 2025-03-08 | Standard | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
2 | Cape Winelands Schools - Trials 1 2025 (U19 Boys) | 2025-02-08 | 2025-02-08 | Standard | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | Cape Winelands Schools Prestige 2025 (U19 Boys) | 2025-03-08 | 2025-03-08 | Standard | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
2 | Cape Winelands Schools - Trials 1 2025 (U19 Boys) | 2025-02-08 | 2025-02-08 | Standard | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
3 | Cape Winelands - Top Schools 2024 (U18 Mixed) | 2024-07-27 | 2024-07-27 | Standard | Cape Winelands (WCW) | 5 | 4 | 2.5 | Yes | Analysis |
4 | Cape Winelands Schools - Prestige 2024 (U18 Boys) | 2024-03-02 | 2024-03-02 | Standard | Cape Winelands (WCW) | 5 | 5 | 1 | Yes | Analysis |
5 | Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) | 2024-02-17 | 2024-02-17 | Rapid | Cape Winelands (WCW) | 6 | 6 | 3 | Yes | Analysis |
6 | Cape Winelands Schools Prestige 2023 (U17 Boys) | 2023-03-11 | 2023-03-11 | Standard | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
7 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys) | 2023-02-25 | 2023-02-25 | Standard | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2023-03-11 | rnd2 | typeStandard | result1 | date2024-02-17 | rnd2 | typeRapid | result1 | ||
OpponentScheepers, H (Hyron) | OpponentCombrink, P (Pieter) | ||||||||
2 | 2 | TournamentCape Winelands Schools - Trials 1 2025 | TournamentCape Winelands Schools - Trials 1 2025 | ||||||
date2025-02-08 | rnd3 | typeStandard | result1 | date2025-02-08 | rnd4 | typeStandard | result1 | ||
OpponentMitchelle, C (Callum) | OpponentGordon, D (Deuwin) | ||||||||
3 | 2 | TournamentCape Winelands - Top Schools 2024 | TournamentCape Winelands - Top Schools 2024 | ||||||
date2024-07-27 | rnd1 | typeStandard | result0.5 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
OpponentFebruary, E (Ethan) | OpponentVan De Vyver, W (Wian) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
date2023-03-11 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd5 | typeStandard | result0.5 | ||
OpponentScheepers, H (Hyron) | OpponentDavids, R (Rafael) | ||||||||
2 | 2 | TournamentCape Winelands Schools - Trials 1 2025 | TournamentCape Winelands Schools - Trials 1 2025 | ||||||
date2025-02-08 | rnd3 | typeStandard | result1 | date2025-02-08 | rnd4 | typeStandard | result1 | ||
OpponentMitchelle, C (Callum) | OpponentGordon, D (Deuwin) | ||||||||
3 | 2 | TournamentCape Winelands - Top Schools 2024 | TournamentCape Winelands - Top Schools 2024 | ||||||
date2024-07-27 | rnd1 | typeStandard | result0.5 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
OpponentFebruary, E (Ethan) | OpponentVan De Vyver, W (Wian) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentCape Winelands Schools - HS Trials 1 2024 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2024-02-17 | rnd1 | typeRapid | result1 | date2024-02-17 | rnd2 | typeRapid | result1 | ||
OpponentVosloo, T (Tom) | OpponentCombrink, P (Pieter) | ||||||||
2 | 1 | TournamentCape Winelands Schools - HS Trials 1 2024 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2024-02-17 | rnd4 | typeRapid | result1 | date2024-02-17 | rnd4 | typeRapid | result1 | ||
OpponentMoko, K (Khaya) | OpponentMoko, K (Khaya) |
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentCape Winelands Schools - Trials 1 2025 | TournamentCape Winelands Schools - Trials 1 2025 | ||||||
date2025-02-08 | rnd3 | typeStandard | result1 | date2025-02-08 | rnd4 | typeStandard | result1 | ||
OpponentMitchelle, C (Callum) | OpponentGordon, D (Deuwin) | ||||||||
2 | 2 | TournamentCape Winelands Schools - HS Trials 1 2024 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2024-02-17 | rnd1 | typeRapid | result1 | date2024-02-17 | rnd2 | typeRapid | result1 | ||
OpponentVosloo, T (Tom) | OpponentCombrink, P (Pieter) | ||||||||
3 | 2 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
date2023-03-11 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
OpponentScheepers, H (Hyron) | OpponentVerwey, F (Francois) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentCape Winelands Schools - Trials 1 2025 | TournamentCape Winelands Schools - Trials 1 2025 | ||||||
date2025-02-08 | rnd3 | typeStandard | result1 | date2025-02-08 | rnd4 | typeStandard | result1 | ||
OpponentMitchelle, C (Callum) | OpponentGordon, D (Deuwin) | ||||||||
2 | 2 | TournamentCape Winelands Schools Prestige 2023 | TournamentCape Winelands Schools Prestige 2023 | ||||||
date2023-03-11 | rnd2 | typeStandard | result1 | date2023-03-11 | rnd3 | typeStandard | result1 | ||
OpponentScheepers, H (Hyron) | OpponentVerwey, F (Francois) | ||||||||
3 | 2 | TournamentCape Winelands Schools Chess - Trials 1 2023 | TournamentCape Winelands Schools Chess - Trials 1 2023 | ||||||
date2023-02-25 | rnd4 | typeStandard | result1 | date2023-02-25 | rnd5 | typeStandard | result1 | ||
OpponentBunza, O (Oliver) | OpponentAbrahams, D (Daywin) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | TournamentCape Winelands Schools - HS Trials 1 2024 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2024-02-17 | rnd1 | typeRapid | result1 | date2024-02-17 | rnd2 | typeRapid | result1 | ||
OpponentVosloo, T (Tom) | OpponentCombrink, P (Pieter) | ||||||||
2 | 1 | TournamentCape Winelands Schools - HS Trials 1 2024 | TournamentCape Winelands Schools - HS Trials 1 2024 | ||||||
date2024-02-17 | rnd4 | typeRapid | result1 | date2024-02-17 | rnd4 | typeRapid | result1 | ||
OpponentMoko, K (Khaya) | OpponentMoko, K (Khaya) |
# | 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 | Davids ,R (Rafael) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1528 | 1315.5 | 1510.7 | 1315.5 | 0 | 0 | 0 | 0 | ||||||
2 | Gordon ,D (Deuwin) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1088.7 | 1513.7 | 1115.2 | 1513.7 | 0 | 0 | 0 | 0 | ||||||
3 | February ,E (Ethan) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1475.5 | 1263 | 1506.1 | 1263 | 0 | 0 | 0 | 0 | ||||||
4 | Ismail ,A (Amar) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1257.2 | 832.2 | 1244.4 | 832.2 | 0 | 0 | 0 | 0 | ||||||
5 | Jaeger ,D (Daniel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1248.3 | 823.3 | 1207.2 | 823.3 | 0 | 0 | 0 | 0 | ||||||
6 | Samuels ,K (Keagan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
7 | Maree ,B (Brevin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1405.5 | 980.5 | 1271.6 | 980.5 | 0 | 0 | 0 | 0 | ||||||
8 | Randelhoff ,J (Jordan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1398.5 | 973.5 | 1379 | 973.5 | 0 | 0 | 0 | 0 | ||||||
9 | Myoli ,O (Oscar) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1240.1 | 815.1 | 1204 | 815.1 | 0 | 0 | 0 | 0 | ||||||
10 | Mattheys ,C (Clyde) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1131.7 | 1556.7 | 1140.8 | 1556.7 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|