PLAYER PAGE
Personal
Joubert, D (Devin)
Chess SA id
1960117985FIDE id
?Date of birth
1996-10-23 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-09-07Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Raw rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Weighted rating | 1235.9 | 1231.2 | 1299.7 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 738.8 | 735.2 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 157.5 | 158.6 | 143.8 | 143.8 |
| Highest rating | 1317.32019-08-01 | 1298.42019-08-01 | 13002024-02-01 | 13002024-02-01 |
| Highest raw rating | 1238.82019-09-01 | 1235.22019-09-01 | 13002024-02-01 | 13002024-02-01 |
| Highest weighted rating | 1238.82021-08-01 | 1235.22021-08-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 1317.32019-08-01 | 1298.42019-08-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Raw rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Weighted rating | 1235.9 | 1231.2 | 1299.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 738.8 | 735.2 | 800 | 800 |
| Max/Min rating change allowed | 157.5 | 158.6 | 143.8 | 143.8 |
| 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 | 1235.9 | 1231.2 | 1300 | 1300 |
| New weighted rating | 1235.9 | 1231.2 | 1300 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1235.9 | 1231.2 | 1300 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1235.9 | 1231.2 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 738.8 | 735.2 | 800 | 800 |
| 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 | 15 | 15 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| 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 | 15 | 9 | 60 | 85 | 1178.9 | 1263.9 |
| Standard | 15 | 9 | 60 | 85 | 1178.9 | 1263.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-09-30 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-09-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-08-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-07-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-06-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-05-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-04-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-03-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-02-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2025-01-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-12-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-11-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-10-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-09-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-08-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-07-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-09-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-05-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-04-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-03-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-02-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2024-01-01 | 1235.9 | 1231.2 | 1300 | 1300 |
| 2023-12-01 | 1235.9 | 1231.2 | 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 | Curro Durbanville Chess Tournament 2019 (Premier) | 2019-08-23 | 2019-08-24 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 2 | 2019 Western Province League (D) | 2019-07-27 | 2019-09-07 | Standard | Cape Town (WCT) | 11 | 2 | 1 | Yes | Analysis |
| 3 | 2019 Western Province League (E) | 2019-07-27 | 2019-08-10 | Standard | Cape Town (WCT) | 9 | 3 | 3 | Yes | Analysis |
| 4 | 2019 Western Province League (E) | 2019-07-27 | 2019-08-10 | Standard | Cape Town (WCT) | 9 | 4 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-03 | rnd4 | typeStandard | result1 | date2019-08-10 | rnd9 | typeStandard | result1 | ||
| OpponentHartzenberg, L (Luciano) | OpponentMaritz, J (Jean) | ||||||||
| 2 | 3 | TournamentCurro Durbanville Chess Tournament 2019 | Tournament2019 Western Province League | ||||||
| date2019-08-24 | rnd5 | typeStandard | result1 | date2019-09-07 | rnd11 | typeStandard | result1 | ||
| OpponentCrotz, K (Kirsten) | OpponentNeutt, N (Nehum) | ||||||||
| 3 | 1 | TournamentCurro Durbanville Chess Tournament 2019 | TournamentCurro Durbanville Chess Tournament 2019 | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Plessis, S (Stefan) | OpponentDu Plessis, S (Stefan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-03 | rnd4 | typeStandard | result1 | date2019-08-10 | rnd9 | typeStandard | result1 | ||
| OpponentHartzenberg, L (Luciano) | OpponentMaritz, J (Jean) | ||||||||
| 2 | 3 | TournamentCurro Durbanville Chess Tournament 2019 | Tournament2019 Western Province League | ||||||
| date2019-08-24 | rnd5 | typeStandard | result1 | date2019-09-07 | rnd11 | typeStandard | result1 | ||
| OpponentCrotz, K (Kirsten) | OpponentNeutt, N (Nehum) | ||||||||
| 3 | 1 | TournamentCurro Durbanville Chess Tournament 2019 | TournamentCurro Durbanville Chess Tournament 2019 | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Plessis, S (Stefan) | OpponentDu Plessis, S (Stefan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-03 | rnd4 | typeStandard | result1 | date2019-08-10 | rnd9 | typeStandard | result1 | ||
| OpponentHartzenberg, L (Luciano) | OpponentMaritz, J (Jean) | ||||||||
| 2 | 3 | TournamentCurro Durbanville Chess Tournament 2019 | Tournament2019 Western Province League | ||||||
| date2019-08-24 | rnd5 | typeStandard | result1 | date2019-09-07 | rnd11 | typeStandard | result1 | ||
| OpponentCrotz, K (Kirsten) | OpponentNeutt, N (Nehum) | ||||||||
| 3 | 1 | TournamentCurro Durbanville Chess Tournament 2019 | TournamentCurro Durbanville Chess Tournament 2019 | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Plessis, S (Stefan) | OpponentDu Plessis, S (Stefan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 Western Province League | Tournament2019 Western Province League | ||||||
| date2019-08-03 | rnd4 | typeStandard | result1 | date2019-08-10 | rnd9 | typeStandard | result1 | ||
| OpponentHartzenberg, L (Luciano) | OpponentMaritz, J (Jean) | ||||||||
| 2 | 3 | TournamentCurro Durbanville Chess Tournament 2019 | Tournament2019 Western Province League | ||||||
| date2019-08-24 | rnd5 | typeStandard | result1 | date2019-09-07 | rnd11 | typeStandard | result1 | ||
| OpponentCrotz, K (Kirsten) | OpponentNeutt, N (Nehum) | ||||||||
| 3 | 1 | TournamentCurro Durbanville Chess Tournament 2019 | TournamentCurro Durbanville Chess Tournament 2019 | ||||||
| date2019-08-23 | rnd2 | typeStandard | result1 | date2019-08-23 | rnd2 | typeStandard | result1 | ||
| OpponentDu Plessis, S (Stefan) | OpponentDu Plessis, S (Stefan) | ||||||||
| # | 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 | Mlahleni ,O (Okuhle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1128.5 | 703.5 | 1151.2 | 703.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Roux ,J (Jarrod) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1215.5 | 790.5 | 1177.7 | 790.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Hartzenberg ,L (Luciano) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1008.1 | 1433.1 | 969.2 | 1433.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Crotz ,K (Kirsten) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1185.1 | 1610.1 | 1146.5 | 1610.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Maritz ,J (Jean) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1158.3 | 1583.3 | 1162.7 | 1583.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Capes ,K (Kyle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1085.7 | 1510.7 | 1164.7 | 1510.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Pretorius ,A (Amanda Karen) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1191.2 | 1616.2 | 1192.6 | 1616.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Owens ,D (David) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146.5 | 721.5 | 1126.2 | 721.5 | 0 | 0 | 0 | 0 | ||||||
| 9 | Du Plessis ,S (Stefan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.1 | 1631.1 | 1020.4 | 1631.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Van Niekerk ,L (Lizelle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1350.2 | 925.2 | 1336.5 | 925.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

