PLAYER PAGE
Personal
Viljoen, J (Joshua)
Chess SA id
1140150640FIDE id
?Date of birth
2014-11-12 (U14)Gender
MaleRegion
Pixley-ka-Seme (NCP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-02-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1385 | 1382.2 | 1200 | 1200 |
| Raw rating | 1385 | 1382.2 | 1200 | 1200 |
| Weighted rating | 1381.2 | 1379.4 | 1200 | 1200 |
| Weighted performance | 1181.2 | 1181.4 | 0 | 0 |
| Floor | 905.3 | 906.4 | 700 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 127.4 | 127.9 | 165.8 | 165.8 |
| Highest rating | 1410.92024-08-01 | 1410.52024-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1405.32024-11-01 | 1406.42024-11-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1363.92025-08-01 | 1363.42025-08-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1410.92024-08-01 | 1410.52024-08-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1385 | 1382.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1385 | 1382.2 | 1200 | 1200 |
| Raw rating | 1385 | 1382.2 | 1200 | 1200 |
| Weighted rating | 1381.2 | 1379.4 | 1200 | |
| Weighted performance | 1181.2 | 1181.4 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 905.3 | 906.4 | 700 | 700 |
| Max/Min rating change allowed | 127.4 | 127.9 | 165.8 | 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 | 1385 | 1382.2 | 1200 | 1200 |
| New weighted rating | 1383.2 | 1381.3 | 1200 | 1200 |
| New weighted performance | 1172.2 | 1172.4 | 0 | 0 |
| Temp new rating | 1385 | 1382.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1385 | 1382.2 | 1200 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 905.3 | 906.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 45 | 45 | 0 | 0 | |
| 13 | 13 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 63 | 63 | 0 | 0 |
| Games since | |||||||||||||||||
| Main50 | Standard50 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Pixley-ka-Seme (NCP) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2365 | 58 | 10 | ||||||||||||||
| Male | 1915 | 46 | 8 | ||||||||||||||
| U12 | 317 | 8 | 3 | ||||||||||||||
| U12 Male | 230 | 6 | 3 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2289 | 66 | 10 | ||||||||||||||
| Male | 1854 | 52 | 8 | ||||||||||||||
| U12 | 300 | 8 | 3 | ||||||||||||||
| U12 Male | 221 | 6 | 3 | ||||||||||||||
| 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 | 5 | 3 | 60 | 85 | 1196.9 | 1281.9 |
| Standard | 5 | 3 | 60 | 85 | 1196.9 | 1281.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 63 | 41.5 | 65.87 | 134.9 | 1211.6 | 1346.6 |
| Standard | 63 | 41.5 | 65.87 | 134.9 | 1211.6 | 1346.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-11-30 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-11-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-09-30 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-09-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-08-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-07-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-06-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-05-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-04-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-03-01 | 1385 | 1382.2 | 1200 | 1200 |
| 2025-02-01 | 1405.3 | 1406.4 | 1200 | 1200 |
| 2025-01-01 | 1405.3 | 1406.4 | 1200 | 1200 |
| 2024-12-01 | 1405.3 | 1406.4 | 1200 | 1200 |
| 2024-11-01 | 1405.3 | 1406.4 | 1200 | 1200 |
| 2024-10-01 | 1395.9 | 1395.6 | 1200 | 1200 |
| 2024-09-01 | 1395.9 | 1395.6 | 1200 | 1200 |
| 2024-11-01 | 1333.4 | 1330.8 | 1200 | 1200 |
| 2024-07-01 | 1318.3 | 1318.2 | 1200 | 1200 |
| 2024-06-01 | 1318.3 | 1318.2 | 1200 | 1200 |
| 2024-05-01 | 1318.3 | 1318.2 | 1200 | 1200 |
| 2024-04-01 | 1234.6 | 1237.9 | 1200 | 1200 |
| 2024-03-01 | 1234.6 | 1237.9 | 1200 | 1200 |
| 2024-02-01 | 1238.2 | 1243.3 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HTS Welkom Open Chess Tournament 2025 (D) | 2025-02-22 | 2025-02-22 | Standard | Lejweleputswa (FLW) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 2024-10-12 | 2024-10-12 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 3 | Hopetown Schools Chess Tournament 2024 (U11) | 2024-08-17 | 2024-08-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2024 NC Closed Chess Championships (U12 Open) | 2024-08-23 | 2024-08-25 | Standard | Frances Baard (NCF) | 5 | 5 | 4 | Yes | Analysis |
| 5 | 2024 Pixley Ka Seme Chess Schools Open 2 (U11) | 2024-08-03 | 2024-08-03 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | 2024 HSDA Open 3 (U11) | 2024-07-27 | 2024-07-27 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 7 | Spartan Bishops Chess Championships 2024 (Big Pawns) | 2024-05-04 | 2024-05-05 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Hopetown Open Chess Tournament 2024 (U10+U12) | 2024-04-20 | 2024-04-20 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 9 | The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13) | 2024-04-06 | 2024-04-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 10 | 2024 Frances Baard Schools Open (U11) | 2024-02-03 | 2024-02-03 | Standard | Frances Baard (NCF) | 5 | 5 | 2.5 | Yes | Analysis |
| 11 | 2023 Northern Cape Closed Chess Championships (U8+U10 Open) | 2023-08-25 | 2023-08-27 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 12 | Hopetown School Chess Open Tournament 2023 (U9) | 2023-05-06 | 2023-05-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 3 | Yes | Analysis |
| 13 | Hopetown Schools Chess Open Tournament 2023 (U11) | 2023-02-25 | 2023-02-25 | Standard | John Taolo Gaetswewe (NCJ) | 5 | 4 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2024 Pixley Ka Seme Chess Schools Open 2 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd2 | typeStandard | result1 | date2024-08-17 | rnd2 | typeStandard | result1 | ||
| OpponentWilskut, A (Ashton) | OpponentPeters, R (Roland) | ||||||||
| 2 | 4 | TournamentSpartan Bishops Chess Championships 2024 | Tournament2024 HSDA Open 3 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, K (Karla) | OpponentYoung, M (Mlandy) | ||||||||
| 3 | 4 | TournamentHopetown Open Chess Tournament 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-04-20 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd1 | typeStandard | result1 | ||
| OpponentGreen, X (Xander) | OpponentZwane, K (Koketso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2024 Pixley Ka Seme Chess Schools Open 2 | TournamentHopetown Schools Chess Tournament 2024 | ||||||
| date2024-08-03 | rnd2 | typeStandard | result1 | date2024-08-17 | rnd2 | typeStandard | result1 | ||
| OpponentWilskut, A (Ashton) | OpponentPeters, R (Roland) | ||||||||
| 2 | 4 | TournamentSpartan Bishops Chess Championships 2024 | Tournament2024 HSDA Open 3 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, K (Karla) | OpponentYoung, M (Mlandy) | ||||||||
| 3 | 4 | TournamentHopetown Open Chess Tournament 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-04-20 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd1 | typeStandard | result1 | ||
| OpponentGreen, X (Xander) | OpponentZwane, K (Koketso) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSpartan Bishops Chess Championships 2024 | Tournament2024 HSDA Open 3 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, K (Karla) | OpponentYoung, M (Mlandy) | ||||||||
| 2 | 4 | TournamentHopetown Open Chess Tournament 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-04-20 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd1 | typeStandard | result1 | ||
| OpponentGreen, X (Xander) | OpponentZwane, K (Koketso) | ||||||||
| 3 | 4 | TournamentHopetown School Chess Open Tournament 2023 | Tournament2023 Northern Cape Closed Chess Championships | ||||||
| date2023-05-06 | rnd3 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentDe Noon, S (Stian Johanco) | OpponentVan Zyl, F (Frederick) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSpartan Bishops Chess Championships 2024 | Tournament2024 HSDA Open 3 | ||||||
| date2024-05-04 | rnd4 | typeStandard | result1 | date2024-07-27 | rnd2 | typeStandard | result1 | ||
| OpponentFourie, K (Karla) | OpponentYoung, M (Mlandy) | ||||||||
| 2 | 4 | TournamentHopetown Open Chess Tournament 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-04-20 | rnd3 | typeStandard | result1 | date2024-05-04 | rnd1 | typeStandard | result1 | ||
| OpponentGreen, X (Xander) | OpponentZwane, K (Koketso) | ||||||||
| 3 | 4 | TournamentHopetown School Chess Open Tournament 2023 | Tournament2023 Northern Cape Closed Chess Championships | ||||||
| date2023-05-06 | rnd3 | typeStandard | result1 | date2023-08-25 | rnd1 | typeStandard | result1 | ||
| OpponentDe Noon, S (Stian Johanco) | OpponentVan Zyl, F (Frederick) | ||||||||
| # | 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 Zyl ,F (Frederick) | 6 | 4 | 141.7 | 6 | 4 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1187.2 | 1328.8 | 1186.7 | 1328.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | De Noon ,SJ (Stian Johanco) | 5 | 4 | 255 | 5 | 4 | 255 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1183.7 | 1438.7 | 1183.1 | 1438.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Niesing ,N (Naomi) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1093.9 | 1518.9 | 1085.3 | 1518.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kanjee ,V (Viyaash) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1464.2 | 1039.2 | 1466.1 | 1039.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | Peters ,R (Roland) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1230.7 | 1372.3 | 1235.2 | 1372.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Finck ,LS (Lynden Shikamaru) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1241.4 | 1383.1 | 1244.9 | 1383.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Van Zyl ,J (Johanna) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1088.9 | 1230.6 | 1077.7 | 1230.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Vermeulen ,JB (Johannes Bernardus) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1249.2 | 1249.2 | 1252.8 | 1249.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Heyns ,R (Rashnique) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1255.8 | 1255.8 | 1255.2 | 1255.8 | 0 | 0 | 0 | 0 | ||||||
| 10 | Ramabulu ,L (Lebohang) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|