PLAYER PAGE
Personal
De Villiers, J (Jaco)
Chess SA id
1030133887FIDE id
?Date of birth
2003-07-07 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2021-03-28Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Raw rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Weighted rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 181.3 | 185.4 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Raw rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Weighted rating | 1137.5 | 1121.6 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 181.3 | 185.4 | 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 | 1137.5 | 1121.6 | 1200 | 1200 |
| New weighted rating | 1137.5 | 1121.6 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1137.5 | 1121.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1137.5 | 1121.6 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| 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 | |
| 10 | 10 | 0 | 0 | |
| History | 10 | 10 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| 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 | 10 | 3 | 30 | -170 | 1203.4 | 1033.4 |
| Standard | 10 | 3 | 30 | -170 | 1203.4 | 1033.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-09-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-08-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-07-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-06-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-05-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-04-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-03-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-02-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2025-01-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-12-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-11-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-10-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-09-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-08-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-07-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-06-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-08-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-04-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-03-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-02-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2024-01-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2023-12-01 | 1137.5 | 1121.6 | 1200 | 1200 |
| 2023-11-01 | 1137.5 | 1121.6 | 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 | Western Cape Closed 2020 (Prestige) | 2021-03-27 | 2021-03-28 | Standard | Cape Town (WCT) | 6 | 5 | 1 | Yes | Analysis |
| 2 | Paul Roos Gymnasium Covid-19 Challenge 2021 (B) | 2021-02-27 | 2021-02-28 | Standard | Cape Winelands (WCW) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | ||||||
| date2021-02-27 | rnd3 | typeStandard | result1 | date2021-02-28 | rnd4 | typeStandard | result1 | ||
| OpponentMgecwa, A (Awodwa) | OpponentKabasele, G (Garnet) | ||||||||
| 2 | 1 | TournamentWestern Cape Closed 2020 | TournamentWestern Cape Closed 2020 | ||||||
| date2021-03-28 | rnd6 | typeStandard | result1 | date2021-03-28 | rnd6 | typeStandard | result1 | ||
| OpponentNaude, J (Jan-Daniel) | OpponentNaude, J (Jan-Daniel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | ||||||
| date2021-02-27 | rnd3 | typeStandard | result1 | date2021-02-28 | rnd4 | typeStandard | result1 | ||
| OpponentMgecwa, A (Awodwa) | OpponentKabasele, G (Garnet) | ||||||||
| 2 | 1 | TournamentWestern Cape Closed 2020 | TournamentWestern Cape Closed 2020 | ||||||
| date2021-03-28 | rnd6 | typeStandard | result1 | date2021-03-28 | rnd6 | typeStandard | result1 | ||
| OpponentNaude, J (Jan-Daniel) | OpponentNaude, J (Jan-Daniel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | ||||||
| date2021-02-27 | rnd3 | typeStandard | result1 | date2021-02-28 | rnd4 | typeStandard | result1 | ||
| OpponentMgecwa, A (Awodwa) | OpponentKabasele, G (Garnet) | ||||||||
| 2 | 1 | TournamentWestern Cape Closed 2020 | TournamentWestern Cape Closed 2020 | ||||||
| date2021-03-28 | rnd6 | typeStandard | result1 | date2021-03-28 | rnd6 | typeStandard | result1 | ||
| OpponentNaude, J (Jan-Daniel) | OpponentNaude, J (Jan-Daniel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | TournamentPaul Roos Gymnasium Covid-19 Challenge 2021 | ||||||
| date2021-02-27 | rnd3 | typeStandard | result1 | date2021-02-28 | rnd4 | typeStandard | result1 | ||
| OpponentMgecwa, A (Awodwa) | OpponentKabasele, G (Garnet) | ||||||||
| 2 | 1 | TournamentWestern Cape Closed 2020 | TournamentWestern Cape Closed 2020 | ||||||
| date2021-03-28 | rnd6 | typeStandard | result1 | date2021-03-28 | rnd6 | typeStandard | result1 | ||
| OpponentNaude, J (Jan-Daniel) | OpponentNaude, J (Jan-Daniel) | ||||||||
| # | 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 | Hagen ,D (Dirk) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1192.1 | 767.1 | 1187 | 767.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Naude ,J (Jan-Daniel) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1155.9 | 1580.9 | 1129.4 | 1580.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Waite ,S (Sebastian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1161.3 | 736.3 | 1128.4 | 736.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Palmer ,ZE (Zante) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1375.3 | 950.3 | 1368.7 | 950.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kabasele ,G (Garnet) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1103.8 | 1528.8 | 1040.8 | 1528.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Williams ,N (Nicole) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1224.5 | 799.5 | 1210.1 | 799.5 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mgecwa ,A (Awodwa) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nel ,MD (Markus Daniel) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.6 | 838.6 | 1245.3 | 838.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Strauss ,B (Branden) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1165.2 | 740.2 | 1181.2 | 740.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|