PLAYER PAGE
Personal
Viljoen, JS (Josias Servaas)
Chess SA id
166041769FIDE id
14330440Date of birth
1966-11-29 (Adult)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
FAChess SA registered
NoLast active game
2020-02-22Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Raw rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Weighted rating | 1289.5 | 1298.4 | 1175.3 | 1376 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 789.5 | 798.4 | 675.3 | 878 |
| K-factor | 36 | 36 | 40 | 36 |
| Min/Max rating change allowed | 146 | 144.1 | 171.8 | 128.7 |
| Highest rating | 1314.32020-02-01 | 1302.72020-02-01 | 12002024-02-01 | 13782024-02-01 |
| Highest raw rating | 1289.52024-02-01 | 1298.42024-02-01 | 1175.32024-02-01 | 13782024-02-01 |
| Highest weighted rating | 1289.52024-02-01 | 1298.42024-02-01 | 1175.32024-11-01 | 1371.22025-08-01 |
| Highest weighted performance | 1314.32020-02-01 | 1302.72020-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Analysis | ||||
| Rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Raw rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Weighted rating | 1289.5 | 1298.4 | 1175.3 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 40 | 36 |
| Floor | 789.5 | 798.4 | 675.3 | 878 |
| Max/Min rating change allowed | 146 | 144.1 | 171.8 | 128.7 |
| 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 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| New weighted rating | 1289.5 | 1298.4 | 1175.3 | 1377.3 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1289.5 | 1298.4 | 1175.3 | 1378 |
| New K-factor | 36 | 36 | 40 | 36 |
| New floor | 789.5 | 798.4 | 675.3 | 878 |
| 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 | 171 | 131 | 20 | 20 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 15 | 13.5 | 90 | 340 | 1046.7 | 1386.7 |
| Standard | 15 | 13.5 | 90 | 340 | 1046.7 | 1386.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-09-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-08-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-07-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-06-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-05-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-04-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-03-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-02-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2025-01-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-12-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-11-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-10-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-09-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-08-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-07-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-06-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-08-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-04-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-03-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-02-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2024-01-01 | 1289.5 | 1298.4 | 1175.3 | 1378 |
| 2023-12-01 | 1289.5 | 1298.4 | 1175.3 | 1175.3 |
| 2023-11-01 | 1289.5 | 1298.4 | 1175.3 | 1175.3 |
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 | Sparticus 1 2020 | 2020-02-22 | 2020-02-22 | Standard | Gert Sibande (MGS) | 5 | 5 | 5 | Yes | Analysis |
| 2 | Sparticus 7 2018 | 2018-09-01 | 2018-09-01 | Standard | Gert Sibande (MGS) | 5 | 5 | 4.5 | Yes | Analysis |
| 3 | Standerton Chess Club 1st Tournament 2018 (A) | 2018-03-17 | 2018-03-17 | Standard | Gert Sibande (MGS) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentSparticus 1 2020 | ||||||
| date2018-03-17 | rnd4 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentMahlaela, N (Nthokoza) | OpponentPieters, D (Donovan) | ||||||||
| 2 | 2 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentStanderton Chess Club 1st Tournament 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-03-17 | rnd2 | typeStandard | result1 | ||
| OpponentWolmarans, IZ (Izak) | OpponentVan Zyl, J (Juane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentSparticus 1 2020 | ||||||
| date2018-03-17 | rnd4 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentMahlaela, N (Nthokoza) | OpponentPieters, D (Donovan) | ||||||||
| 2 | 2 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentStanderton Chess Club 1st Tournament 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-03-17 | rnd2 | typeStandard | result1 | ||
| OpponentWolmarans, IZ (Izak) | OpponentVan Zyl, J (Juane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentSparticus 7 2018 | TournamentSparticus 1 2020 | ||||||
| date2018-09-01 | rnd5 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentSibiya, TM (Thulani) | OpponentPieters, D (Donovan) | ||||||||
| 2 | 5 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentSparticus 7 2018 | ||||||
| date2018-03-17 | rnd4 | typeStandard | result1 | date2018-09-01 | rnd3 | typeStandard | result1 | ||
| OpponentMahlaela, N (Nthokoza) | OpponentVisser, J (Janko) | ||||||||
| 3 | 2 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentStanderton Chess Club 1st Tournament 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-03-17 | rnd2 | typeStandard | result1 | ||
| OpponentWolmarans, IZ (Izak) | OpponentVan Zyl, J (Juane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentSparticus 7 2018 | TournamentSparticus 1 2020 | ||||||
| date2018-09-01 | rnd5 | typeStandard | result1 | date2020-02-22 | rnd5 | typeStandard | result1 | ||
| OpponentSibiya, TM (Thulani) | OpponentPieters, D (Donovan) | ||||||||
| 2 | 5 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentSparticus 7 2018 | ||||||
| date2018-03-17 | rnd4 | typeStandard | result1 | date2018-09-01 | rnd3 | typeStandard | result1 | ||
| OpponentMahlaela, N (Nthokoza) | OpponentVisser, J (Janko) | ||||||||
| 3 | 2 | TournamentStanderton Chess Club 1st Tournament 2018 | TournamentStanderton Chess Club 1st Tournament 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-03-17 | rnd2 | typeStandard | result1 | ||
| OpponentWolmarans, IZ (Izak) | OpponentVan Zyl, J (Juane) | ||||||||
| # | 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 | Bester ,FS (Franco) | 2 | 1.5 | 212.5 | 2 | 1.5 | 212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1095.4 | 1307.9 | 1100.6 | 1307.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Govindasamy ,K (Kyle) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1085.7 | 1510.7 | 1067.6 | 1510.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Van Zyl ,J (Juane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1093.6 | 1518.6 | 1100.4 | 1518.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Wolmarans ,IZ (Izak Zirk) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mahlaela ,N (Nthokoza) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 500 | 925 | 500 | 925 | 0 | 0 | 0 | 0 | ||||||
| 6 | Cochrane ,CS (Cecil Steven) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1034.2 | 1459.2 | 1034.2 | 1459.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Botha ,H (Henning) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1183.1 | 1608.1 | 1185.2 | 1608.1 | 0 | 0 | 0 | 0 | ||||||
| 8 | Visser ,J (Janko) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 696.5 | 1121.5 | 716.2 | 1121.5 | 0 | 0 | 0 | 0 | ||||||
| 9 | Sibiya ,TM (Thulani Mzwandile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1273.6 | 1698.6 | 1273.6 | 1698.6 | 0 | 0 | 0 | 0 | ||||||
| 10 | Pieters ,QL (Quintin Lodewyk) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1130.6 | 1555.6 | 1111 | 1555.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|