PLAYER PAGE
Personal

Ferreira, JC (John-Claud)
Chess SA id
101065134FIDE id
?Date of birth
2001-08-22 (Adult)Gender
MaleRegion
Bojanala Platina (NBR)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-01-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Raw rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Weighted rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Weighted performance | 306.1 | 305.3 | 0 | 0 |
Floor | 668.8 | 665.6 | 500 | 500 |
K-factor | 40 | 40 | 40 | 40 |
Min/Max rating change allowed | 173.4 | 174.1 | 289.6 | 289.6 |
Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-03-01 | 12002024-03-01 |
Highest raw rating | 1168.82024-03-01 | 1165.62024-03-01 | 808.62024-03-01 | 808.62024-03-01 |
Highest weighted rating | 1168.82024-11-01 | 1165.62024-11-01 | 808.62024-11-01 | 808.62024-11-01 |
Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-03-01 | 12002024-03-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Analysis | ||||
Rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Raw rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Weighted rating | 1168.8 | 1165.6 | 808.6 | |
Weighted performance | 306.1 | 305.3 | 0 | |
K-factor | 40 | 40 | 40 | 40 |
Floor | 668.8 | 665.6 | 500 | 500 |
Max/Min rating change allowed | 173.4 | 174.1 | 289.6 | 289.6 |
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 | 1168.8 | 1165.6 | 808.6 | 808.6 |
New weighted rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
New weighted performance | 305.7 | 304.9 | 0 | 0 |
Temp new rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1168.8 | 1165.6 | 808.6 | 808.6 |
New K-factor | 40 | 40 | 40 | 40 |
New floor | 668.8 | 665.6 | 500 | 500 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 172 | 172 | 0 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | Adult | ||||||||||||||||
Region | Bojanala Platina (NBR) | ||||||||||||||||
Province | Northwest (NW) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Male | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Male | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult 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 | 86 | 29.5 | 34.3 | -133.4 | 1078 | 944.6 |
Standard | 86 | 29.5 | 34.3 | -133.4 | 1078 | 944.6 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-09-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-08-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-07-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-06-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-05-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-04-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-03-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-02-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2025-01-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-12-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-11-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-10-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-09-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-08-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-07-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-06-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-08-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-04-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-03-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-02-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2024-01-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2023-12-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
2023-11-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
# | 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 | 2019 South African Junior Team Championships (U20B) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 6 | 4 | Yes | Analysis |
2 | NW Open 2019 (A) | 2019-10-12 | 2019-10-12 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2 | Yes | Analysis |
3 | Laerskool Rustenburg 2019 (Adults) | 2019-08-17 | 2019-08-17 | Standard | Bojanala Platina (NBR) | 5 | 4 | 2 | Yes | Analysis |
4 | Inter Regional Chess Championship 2019 (U20) | 2019-05-10 | 2019-05-11 | Standard | Mangaung (FMB) | 5 | 5 | 2 | Yes | Analysis |
5 | Laerskool Olienpark 2019 (B) | 2019-04-06 | 2019-04-06 | Standard | Bojanala Platina (NBR) | 5 | 4 | 1.5 | Yes | Analysis |
6 | Fields College Open 2019 (Open) | 2019-02-02 | 2019-02-02 | Standard | Bojanala Platina (NBR) | 5 | 4 | 0 | Yes | Analysis |
7 | Hoerskool Brits Tournament 2019 (B) | 2019-02-09 | 2019-02-09 | Standard | Bojanala Platina (NBR) | 5 | 4 | 1 | Yes | Analysis |
8 | South African Junior Team Championships 2018 (U18B) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 1.5 | Yes | Analysis |
9 | Lebone II Chess 2018 (U18) | 2018-09-01 | 2018-09-01 | Standard | Cape Town (WCT) | 5 | 5 | 1 | Yes | Analysis |
10 | Bojanala Regionals 2018 (U18+U20) | 2018-09-15 | 2018-09-15 | Standard | Bojanala Platina (NBR) | 5 | 5 | 1 | Yes | Analysis |
11 | Laerskool Brits Tournament 2018 (U18) | 2018-08-04 | 2018-08-04 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2.5 | Yes | Analysis |
12 | Inter Regional 2018 (U18 Team) | 2018-05-04 | 2018-05-05 | Standard | Frances Baard (NCF) | 5 | 5 | 1 | Yes | Analysis |
13 | Laerskool Rustenburg 2018 (B) | 2018-03-24 | 2018-03-24 | Standard | Bojanala Platina (NBR) | 5 | 5 | 1.5 | Yes | Analysis |
14 | Hoerskool Brits 2018 (U18+Open) | 2018-03-17 | 2018-03-17 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
15 | Laerskool Vastrap 2018 (Open) | 2018-02-03 | 2018-02-03 | Standard | Bojanala Platina (NBR) | 5 | 5 | 1.5 | Yes | Analysis |
16 | Laerskool Rustenburg Noord Primary 2018 (B) | 2018-02-24 | 2018-02-24 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
17 | South African Junior Team Championships 2017 (U20B) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 1 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentNW Open 2019 | Tournament2019 South African Junior Team Championships | ||||||
date2019-10-12 | rnd5 | typeStandard | result1 | date2020-01-05 | rnd3 | typeStandard | result1 | ||
OpponentPienaar, J (Julia) | OpponentAnagnostou, ZV (Zoe) | ||||||||
2 | 2 | TournamentInter Regional Chess Championship 2019 | TournamentInter Regional Chess Championship 2019 | ||||||
date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
OpponentJordaan, C (Chandre) | OpponentMamabolo, K (Kagata) | ||||||||
3 | 2 | TournamentLaerskool Brits Tournament 2018 | TournamentLaerskool Brits Tournament 2018 | ||||||
date2018-08-04 | rnd3 | typeStandard | result0.5 | date2018-08-04 | rnd4 | typeStandard | result1 | ||
OpponentMokotedi, K (Kabelo) | OpponentAustin, B (Billy-James) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentNW Open 2019 | Tournament2019 South African Junior Team Championships | ||||||
date2019-10-12 | rnd5 | typeStandard | result1 | date2020-01-05 | rnd3 | typeStandard | result1 | ||
OpponentPienaar, J (Julia) | OpponentAnagnostou, ZV (Zoe) | ||||||||
2 | 2 | TournamentInter Regional Chess Championship 2019 | TournamentInter Regional Chess Championship 2019 | ||||||
date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
OpponentJordaan, C (Chandre) | OpponentMamabolo, K (Kagata) | ||||||||
3 | 2 | TournamentLaerskool Brits Tournament 2018 | TournamentLaerskool Brits Tournament 2018 | ||||||
date2018-08-04 | rnd3 | typeStandard | result0.5 | date2018-08-04 | rnd4 | typeStandard | result1 | ||
OpponentMokotedi, K (Kabelo) | OpponentAustin, B (Billy-James) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentNW Open 2019 | Tournament2019 South African Junior Team Championships | ||||||
date2019-10-12 | rnd5 | typeStandard | result1 | date2020-01-05 | rnd3 | typeStandard | result1 | ||
OpponentPienaar, J (Julia) | OpponentAnagnostou, ZV (Zoe) | ||||||||
2 | 2 | TournamentInter Regional Chess Championship 2019 | TournamentInter Regional Chess Championship 2019 | ||||||
date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
OpponentJordaan, C (Chandre) | OpponentMamabolo, K (Kagata) | ||||||||
3 | 2 | TournamentHoerskool Brits 2018 | TournamentHoerskool Brits 2018 | ||||||
date2018-03-17 | rnd4 | typeStandard | result1 | date2018-03-17 | rnd5 | typeStandard | result1 | ||
OpponentMokgoko, T (Tshireletso) | OpponentLenyai, J (Jerry) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentNW Open 2019 | Tournament2019 South African Junior Team Championships | ||||||
date2019-10-12 | rnd5 | typeStandard | result1 | date2020-01-05 | rnd3 | typeStandard | result1 | ||
OpponentPienaar, J (Julia) | OpponentAnagnostou, ZV (Zoe) | ||||||||
2 | 2 | TournamentInter Regional Chess Championship 2019 | TournamentInter Regional Chess Championship 2019 | ||||||
date2019-05-11 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd4 | typeStandard | result1 | ||
OpponentJordaan, C (Chandre) | OpponentMamabolo, K (Kagata) | ||||||||
3 | 2 | TournamentHoerskool Brits 2018 | TournamentHoerskool Brits 2018 | ||||||
date2018-03-17 | rnd4 | typeStandard | result1 | date2018-03-17 | rnd5 | typeStandard | result1 | ||
OpponentMokgoko, T (Tshireletso) | OpponentLenyai, J (Jerry) |
# | 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 | Austin ,B (Billy-James) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
1095.3 | 1237 | 1086.7 | 1237 | 0 | 0 | 0 | 0 | ||||||
2 | Naude ,M (Marlo) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1004.8 | 579.8 | 1000.8 | 579.8 | 0 | 0 | 0 | 0 | ||||||
3 | Van Zyl ,D (Daniel) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1031.4 | 606.4 | 1019.6 | 606.4 | 0 | 0 | 0 | 0 | ||||||
4 | Ngobeni ,TR (Tshiamo Regomod) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1141.1 | 1566.1 | 1130.6 | 1566.1 | 0 | 0 | 0 | 0 | ||||||
5 | Mokoena ,K (Koena) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1112.5 | 1112.5 | 1104.3 | 1112.5 | 0 | 0 | 0 | 0 | ||||||
6 | Mokotedi ,K (Kabelo) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1090.9 | 878.4 | 1110.4 | 878.4 | 0 | 0 | 0 | 0 | ||||||
7 | Geldenhuys ,AJ (Andre J) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1106.8 | 681.8 | 1108.1 | 681.8 | 0 | 0 | 0 | 0 | ||||||
8 | Guneliev ,AA (Andrey Antonov) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
733.8 | 1158.8 | 734.3 | 1158.8 | 0 | 0 | 0 | 0 | ||||||
9 | Loots ,E (Eric) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1125.4 | 700.4 | 1125.8 | 700.4 | 0 | 0 | 0 | 0 | ||||||
10 | Esterhuizen ,WJ (Willem Johannes) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1174.2 | 749.2 | 1176.4 | 749.2 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|