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 | 267.3 | 266.6 | 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 | 267.3 | 266.6 | 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 | 259.3 | 258.7 | 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 |
| 2026-01-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
| 2025-11-30 | 1168.8 | 1165.6 | 808.6 | 808.6 |
| 2025-11-01 | 1168.8 | 1165.6 | 808.6 | 808.6 |
| 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 |
| 2024-11-01 | 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 |
| 2024-05-01 | 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 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
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 | 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 | ||||||
| 6 | 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 | ||||||
| 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 | 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 | ||||||
| 9 | 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 | ||||||
| 10 | 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 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

