PLAYER PAGE
Personal

Viljoen, J (Jaden)
Chess SA id
106060952FIDE id
?Date of birth
2006-10-09 (U20)Gender
MaleRegion
Dr Kenneth Kaunda (NWP)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-03-02Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1353.3 | 1345.6 | 950 | 950 |
Raw rating | 1353.3 | 1345.6 | 950 | 950 |
Weighted rating | 1350.1 | 1342 | 950 | 950 |
Weighted performance | 916.4 | 919.1 | 0 | 0 |
Floor | 958.8 | 950.9 | 500 | 500 |
K-factor | 32 | 32 | 40 | 40 |
Min/Max rating change allowed | 133.3 | 134.7 | 236.8 | 236.8 |
Highest rating | 1474.12019-09-01 | 1466.12019-09-01 | 12002024-02-01 | 12002024-02-01 |
Highest raw rating | 1458.82019-12-01 | 1450.92019-12-01 | 9502024-02-01 | 9502024-02-01 |
Highest weighted rating | 1458.82023-06-01 | 1450.92023-06-01 | 9502024-11-01 | 9502024-11-01 |
Highest weighted performance | 1474.12019-09-01 | 1466.12019-09-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1353.3 | 1345.6 | 950 | 950 |
Analysis | ||||
Rating | 1353.3 | 1345.6 | 950 | 950 |
Raw rating | 1353.3 | 1345.6 | 950 | 950 |
Weighted rating | 1350.1 | 1342 | 950 | |
Weighted performance | 916.4 | 919.1 | 0 | |
K-factor | 32 | 32 | 40 | 40 |
Floor | 958.8 | 950.9 | 500 | 500 |
Max/Min rating change allowed | 133.3 | 134.7 | 236.8 | 236.8 |
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 | 1353.3 | 1345.6 | 950 | 950 |
New weighted rating | 1350.1 | 1341.9 | 950 | 950 |
New weighted performance | 916 | 918.6 | 0 | 0 |
Temp new rating | 1353.3 | 1345.6 | 950 | 950 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1353.3 | 1345.6 | 950 | 950 |
New K-factor | 32 | 32 | 40 | 40 |
New floor | 958.8 | 950.9 | 500 | 500 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
4 | 4 | 0 | 0 | |
23 | 23 | 0 | 0 | |
29 | 29 | 0 | 0 | |
5 | 5 | 0 | 0 | |
History | 350 | 350 | 0 | 0 |
Games since | |||||||||||||||||
Main4 | Standard4 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U20 | ||||||||||||||||
Region | Dr Kenneth Kaunda (NWP) | ||||||||||||||||
Province | Northwest (NW) | ||||||||||||||||
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 | 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 | 188 | 112.5 | 59.84 | 83.6 | 1160.6 | 1244.2 |
Standard | 188 | 112.5 | 59.84 | 83.6 | 1160.6 | 1244.2 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1353.3 | 1345.6 | 950 | 950 |
2025-09-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-08-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-07-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-06-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-05-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-04-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-03-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-02-01 | 1353.3 | 1345.6 | 950 | 950 |
2025-01-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-12-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-11-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-10-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-09-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-08-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-07-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-06-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-08-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-04-01 | 1340.1 | 1330.4 | 950 | 950 |
2024-03-01 | 1382.1 | 1379 | 950 | 950 |
2024-02-01 | 1382.1 | 1379 | 950 | 950 |
2024-01-01 | 1382.1 | 1379 | 950 | 950 |
2023-12-01 | 1382.1 | 1379 | 950 | 950 |
2023-11-01 | 1382.1 | 1379 | 950 | 950 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | DR KKD Ferdies Mar 2024 (A) | 2024-03-02 | 2024-03-02 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 4 | 0.5 | Yes | Analysis |
2 | DR Kenneth Kaunda Volkies 29 Jul 2023 (A) | 2023-07-29 | 2023-07-29 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2.5 | Yes | Analysis |
3 | Dr Kenneth Kaunda Volkies 2023 (A+B) | 2023-06-10 | 2023-06-10 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2.5 | Yes | Analysis |
4 | Dr KKD Curro 2023 (Open) | 2023-05-13 | 2023-05-13 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3 | Yes | Analysis |
5 | DR Kenneth Kaunda Curro 2023 (A+B) | 2023-04-22 | 2023-04-22 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 4 | 1.5 | Yes | Analysis |
6 | Dr. Kenneth Kaunda Saamtrek 2023 (Open) | 2023-02-04 | 2023-02-04 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 4 | 3 | Yes | Analysis |
7 | Dr. KKD Volkskool 2022 (Open) | 2022-08-20 | 2022-08-20 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
8 | La Hoff Primary School 2022 (A) | 2022-07-23 | 2022-07-23 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2.5 | Yes | Analysis |
9 | Schoonspruit Ope 2022 (A+B) | 2022-05-21 | 2022-05-21 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3 | Yes | Analysis |
10 | Ferdinand Postma Potchefstroom 2022 (A) | 2022-04-09 | 2022-04-09 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 4 | 2.5 | Yes | Analysis |
11 | Volkskool 2022 (Open) | 2022-02-05 | 2022-02-05 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2.5 | Yes | Analysis |
12 | La Hoff Dr. KK Chess 2022 (A+B) | 2022-02-19 | 2022-02-19 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2 | Yes | Analysis |
13 | Saamtrek 2021 (Open) | 2021-06-12 | 2021-06-12 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
14 | Die Wilge 2020 (U16) | 2020-03-14 | 2020-03-14 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3 | Yes | Analysis |
15 | Wesvalia 2020 (B) | 2020-02-15 | 2020-02-15 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
16 | Gimnasium 2020 (U16) | 2020-02-01 | 2020-02-01 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
17 | 2019 South African Junior Team Championships (U14C) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 3 | Yes | Analysis |
18 | Matlosana Test 2019 (B) | 2019-12-07 | 2019-12-07 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 1.5 | Yes | Analysis |
19 | Doringkruin 2019 (U14) | 2019-09-07 | 2019-09-07 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 5 | Yes | Analysis |
20 | Boys + Girls Tournament 2019 (U14) | 2019-08-17 | 2019-08-17 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
21 | Proewe 2019 (U14) | 2019-08-03 | 2019-08-03 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4.5 | Yes | Analysis |
22 | Strathvaal 2019 (U14) | 2019-04-13 | 2019-03-13 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 5 | Yes | Analysis |
23 | 2019 Hervormde Kerk (U14) | 2019-03-09 | 2019-03-09 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
24 | Volkskool 2019 (U14) | 2019-02-02 | 2019-02-02 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
25 | 2018 Tshwane Inter Region (U14B) | 2018-12-01 | 2018-12-01 | Standard | Cape Town (WCT) | 5 | 5 | 0 | Yes | Analysis |
26 | South African Junior Team Championships 2018 (U14B) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
27 | Strathvaal 2018 (A) | 2018-11-03 | 2018-11-03 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 2.5 | Yes | Analysis |
28 | Boys and Girls 2018 (U14 Boys) | 2018-08-25 | 2018-08-25 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 4 | 3 | Yes | Analysis |
29 | Driefontein Proewe 2018 (O14 Seuns) | 2018-07-28 | 2018-07-28 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
30 | President 16 Junie 2018 (U14) | 2018-06-16 | 2018-06-16 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
31 | Volkies 2018 (U16) | 2018-05-12 | 2018-05-12 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3 | Yes | Analysis |
32 | Hervormde Kerk 2018 (U18) | 2018-04-21 | 2018-04-21 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
33 | Hervormde Kerk 2018 (C) | 2018-03-10 | 2018-03-10 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
34 | Wesvalia 2018 (U16) | 2018-02-17 | 2018-02-17 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3 | Yes | Analysis |
35 | Laerskool Volkskool 2018 (C) | 2018-02-03 | 2018-02-03 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 3.5 | Yes | Analysis |
36 | South African Junior Wildcard Championships 2017 (U12 Open) | 2018-01-09 | 2018-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
37 | South African Junior Team Championships 2017 (U12A) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 2 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 12 | TournamentStrathvaal 2019 | TournamentBoys + Girls Tournament 2019 | ||||||
date2019-04-13 | rnd1 | typeStandard | result1 | date2019-08-17 | rnd2 | typeStandard | result1 | ||
OpponentLabasa, B (Busisiwe) | OpponentBaloyi, B (Bokamoso) | ||||||||
2 | 8 | TournamentGimnasium 2020 | TournamentDie Wilge 2020 | ||||||
date2020-02-01 | rnd5 | typeStandard | result1 | date2020-03-14 | rnd2 | typeStandard | result1 | ||
OpponentJanse Van Rensburg, L (Ludik) | OpponentMoeng, L (Lesedi) | ||||||||
3 | 8 | TournamentBoys + Girls Tournament 2019 | TournamentMatlosana Test 2019 | ||||||
date2019-08-17 | rnd4 | typeStandard | result1 | date2019-12-07 | rnd1 | typeStandard | result1 | ||
OpponentShole, B (Boitshepo) | OpponentCoetzer, E (Erik) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 12 | TournamentStrathvaal 2019 | TournamentBoys + Girls Tournament 2019 | ||||||
date2019-04-13 | rnd1 | typeStandard | result1 | date2019-08-17 | rnd2 | typeStandard | result1 | ||
OpponentLabasa, B (Busisiwe) | OpponentBaloyi, B (Bokamoso) | ||||||||
2 | 8 | TournamentGimnasium 2020 | TournamentDie Wilge 2020 | ||||||
date2020-02-01 | rnd5 | typeStandard | result1 | date2020-03-14 | rnd2 | typeStandard | result1 | ||
OpponentJanse Van Rensburg, L (Ludik) | OpponentMoeng, L (Lesedi) | ||||||||
3 | 8 | TournamentBoys + Girls Tournament 2019 | TournamentMatlosana Test 2019 | ||||||
date2019-08-17 | rnd4 | typeStandard | result1 | date2019-12-07 | rnd1 | typeStandard | result1 | ||
OpponentShole, B (Boitshepo) | OpponentCoetzer, E (Erik) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 8 | TournamentBoys + Girls Tournament 2019 | TournamentMatlosana Test 2019 | ||||||
date2019-08-17 | rnd4 | typeStandard | result1 | date2019-12-07 | rnd1 | typeStandard | result1 | ||
OpponentShole, B (Boitshepo) | OpponentCoetzer, E (Erik) | ||||||||
2 | 6 | TournamentStrathvaal 2019 | TournamentProewe 2019 | ||||||
date2019-04-13 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd1 | typeStandard | result1 | ||
OpponentLabasa, B (Busisiwe) | OpponentMolefe, LM (Lord Motheo) | ||||||||
3 | 5 | TournamentProewe 2019 | TournamentBoys + Girls Tournament 2019 | ||||||
date2019-08-03 | rnd3 | typeStandard | result1 | date2019-08-17 | rnd2 | typeStandard | result1 | ||
OpponentVenter, JM (Johannes) | OpponentBaloyi, B (Bokamoso) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 8 | TournamentBoys + Girls Tournament 2019 | TournamentMatlosana Test 2019 | ||||||
date2019-08-17 | rnd4 | typeStandard | result1 | date2019-12-07 | rnd1 | typeStandard | result1 | ||
OpponentShole, B (Boitshepo) | OpponentCoetzer, E (Erik) | ||||||||
2 | 6 | TournamentStrathvaal 2019 | TournamentProewe 2019 | ||||||
date2019-04-13 | rnd1 | typeStandard | result1 | date2019-08-03 | rnd1 | typeStandard | result1 | ||
OpponentLabasa, B (Busisiwe) | OpponentMolefe, LM (Lord Motheo) | ||||||||
3 | 5 | TournamentProewe 2019 | TournamentBoys + Girls Tournament 2019 | ||||||
date2019-08-03 | rnd3 | typeStandard | result1 | date2019-08-17 | rnd2 | typeStandard | result1 | ||
OpponentVenter, JM (Johannes) | OpponentBaloyi, B (Bokamoso) |
# | 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 | Van Der Westhuizen ,F (Frederik) | 7 | 2.5 | -121.4 | 7 | 2.5 | -121.4 | 0 | 0 | 0 | 0 | 0 | 0 |
1425.1 | 1303.7 | 1432.7 | 1303.7 | 0 | 0 | 0 | 0 | ||||||
2 | Molusi ,K (Katlego) | 6 | 5 | 283.3 | 6 | 5 | 283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
1232 | 1515.3 | 1234.3 | 1515.3 | 0 | 0 | 0 | 0 | ||||||
3 | Fourie ,EM (Elzette Mari) | 6 | 3 | 0 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1267.4 | 1267.4 | 1266.1 | 1267.4 | 0 | 0 | 0 | 0 | ||||||
4 | Jonker ,DE (Danica Elize) | 6 | 3.5 | 70.8 | 6 | 3.5 | 70.8 | 0 | 0 | 0 | 0 | 0 | 0 |
1296.2 | 1367 | 1296.7 | 1367 | 0 | 0 | 0 | 0 | ||||||
5 | Kobua ,B (Boipelo) | 4 | 3 | 212.5 | 4 | 3 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1156.1 | 1368.6 | 1156.6 | 1368.6 | 0 | 0 | 0 | 0 | ||||||
6 | Viljoen ,JA (Jacobus Andrew) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1122.2 | 1547.2 | 1127.1 | 1547.2 | 0 | 0 | 0 | 0 | ||||||
7 | Coetsee ,D (Dewald) | 4 | 1 | -212.5 | 4 | 1 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1302.2 | 1089.8 | 1297.9 | 1089.8 | 0 | 0 | 0 | 0 | ||||||
8 | Fouche ,H (Heinrich) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1393.2 | 968.2 | 1385.5 | 968.2 | 0 | 0 | 0 | 0 | ||||||
9 | Jonker ,WD (Wiehan Douw) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1335.2 | 910.2 | 1339.3 | 910.2 | 0 | 0 | 0 | 0 | ||||||
10 | Vermeulen ,EJ (Ernestus Jacobus) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
1504.1 | 1645.8 | 1508.6 | 1645.8 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|