PLAYER PAGE
Personal
Carstens, J (Joshua)
Chess SA id
108082122FIDE id
?Date of birth
2008-01-05 (U18)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-08-31Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 683.3 | 502.4 | 804 | 502.4 |
| Raw rating | 683.3 | 502.4 | 804 | 502.4 |
| Weighted rating | 683.3 | 502.4 | 804 | 502.4 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 500 | 500 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 346.2 | 448 | 291.5 | 448 |
| Highest rating | 12002018-02-01 | 12002024-02-01 | 12002018-02-01 | 12002024-02-01 |
| Highest raw rating | 683.32024-02-01 | 502.42024-02-01 | 8042024-02-01 | 502.42024-02-01 |
| Highest weighted rating | 683.32024-11-01 | 502.42024-11-01 | 8042024-11-01 | 502.42024-11-01 |
| Highest weighted performance | 12002018-02-01 | 12002024-02-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 683.3 | 502.4 | 804 | 502.4 |
| Analysis | ||||
| Rating | 683.3 | 502.4 | 804 | 502.4 |
| Raw rating | 683.3 | 502.4 | 804 | 502.4 |
| Weighted rating | 683.3 | 502.4 | 804 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 500 | 500 | 500 | 500 |
| Max/Min rating change allowed | 346.2 | 448 | 291.5 | 448 |
| 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 | 683.3 | 502.4 | 804 | 502.4 |
| New weighted rating | 683.3 | 502.4 | 804 | 502.4 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 683.3 | 502.4 | 804 | 502.4 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 683.3 | 502.4 | 804 | 502.4 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 500 | 500 | 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 | 26 | 0 | 26 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 14 | 8 | 57.14 | 60.7 | 1113.5 | 1174.2 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 14 | 8 | 57.14 | 60.7 | 1113.5 | 1174.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-09-30 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-09-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-08-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-07-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-06-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-05-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-04-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-03-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-02-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2025-01-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-12-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-11-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-10-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-09-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-08-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-07-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-09-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-05-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-04-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-03-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-02-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2024-01-01 | 683.3 | 502.4 | 804 | 502.4 |
| 2023-12-01 | 683.3 | 502.4 | 804 | 502.4 |
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 | Stellenbosch Primary 2019 (U12) | 2019-08-31 | 2019-08-31 | Rapid | Cape Winelands (WCW) | 7 | 7 | 4 | Yes | Analysis |
| 2 | Rhenish Primary Chess Tournament 2019 (U12) | 2019-05-11 | 2019-05-11 | Rapid | Cape Winelands (WCW) | 7 | 7 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-05-11 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd1 | typeRapid | result1 | ||
| OpponentSeal, A (Ayrin) | OpponentBoden, J (Joshua) | ||||||||
| 2 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentRhenish Primary Chess Tournament 2019 | ||||||
| date2019-05-11 | rnd1 | typeRapid | result1 | date2019-05-11 | rnd2 | typeRapid | result1 | ||
| OpponentNeels, JL (Jayden-Lee) | OpponentKim, S (Song-Ha) | ||||||||
| 3 | 1 | TournamentStellenbosch Primary 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-08-31 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd7 | typeRapid | result1 | ||
| OpponentHemphill, S (Sarah) | OpponentHemphill, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-05-11 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd1 | typeRapid | result1 | ||
| OpponentSeal, A (Ayrin) | OpponentBoden, J (Joshua) | ||||||||
| 2 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentRhenish Primary Chess Tournament 2019 | ||||||
| date2019-05-11 | rnd1 | typeRapid | result1 | date2019-05-11 | rnd2 | typeRapid | result1 | ||
| OpponentNeels, JL (Jayden-Lee) | OpponentKim, S (Song-Ha) | ||||||||
| 3 | 1 | TournamentStellenbosch Primary 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-08-31 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd7 | typeRapid | result1 | ||
| OpponentHemphill, S (Sarah) | OpponentHemphill, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-05-11 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd1 | typeRapid | result1 | ||
| OpponentSeal, A (Ayrin) | OpponentBoden, J (Joshua) | ||||||||
| 2 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentRhenish Primary Chess Tournament 2019 | ||||||
| date2019-05-11 | rnd1 | typeRapid | result1 | date2019-05-11 | rnd2 | typeRapid | result1 | ||
| OpponentNeels, JL (Jayden-Lee) | OpponentKim, S (Song-Ha) | ||||||||
| 3 | 1 | TournamentStellenbosch Primary 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-08-31 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd7 | typeRapid | result1 | ||
| OpponentHemphill, S (Sarah) | OpponentHemphill, S (Sarah) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-05-11 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd1 | typeRapid | result1 | ||
| OpponentSeal, A (Ayrin) | OpponentBoden, J (Joshua) | ||||||||
| 2 | 2 | TournamentRhenish Primary Chess Tournament 2019 | TournamentRhenish Primary Chess Tournament 2019 | ||||||
| date2019-05-11 | rnd1 | typeRapid | result1 | date2019-05-11 | rnd2 | typeRapid | result1 | ||
| OpponentNeels, JL (Jayden-Lee) | OpponentKim, S (Song-Ha) | ||||||||
| 3 | 1 | TournamentStellenbosch Primary 2019 | TournamentStellenbosch Primary 2019 | ||||||
| date2019-08-31 | rnd7 | typeRapid | result1 | date2019-08-31 | rnd7 | typeRapid | result1 | ||
| OpponentHemphill, S (Sarah) | OpponentHemphill, S (Sarah) | ||||||||
| # | 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 | Wu ,J (Jason) | 2 | 0 | -425 | 0 | 0 | 0 | 2 | 0 | -425 | 0 | 0 | 0 |
| 1175.1 | 750.1 | 0 | 0 | 1188.8 | 750.1 | 0 | 0 | ||||||
| 2 | Fortuin ,A (Ashneeq) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 3 | Van Houten ,C (Christian) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1187.4 | 762.4 | 0 | 0 | 1200 | 762.4 | 0 | 0 | ||||||
| 4 | Boden ,J (Joshua) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1125.2 | 1550.2 | 0 | 0 | 1143.2 | 1550.2 | 0 | 0 | ||||||
| 5 | Grobbelaar ,A (Altus) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1113.9 | 688.9 | 0 | 0 | 1149.6 | 688.9 | 0 | 0 | ||||||
| 6 | Kim ,S (Song-Ha) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1171.7 | 1596.7 | 0 | 0 | 1168 | 1596.7 | 0 | 0 | ||||||
| 7 | Carstens ,C (Cole) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1073.5 | 1498.5 | 0 | 0 | 950.4 | 1498.5 | 0 | 0 | ||||||
| 8 | Seal ,A (Ayrin) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 9 | Neels ,JL (Jayden-Lee) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1117.9 | 1542.9 | 0 | 0 | 937.9 | 1542.9 | 0 | 0 | ||||||
| 10 | Booysen ,T (Timica) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1104.7 | 1529.7 | 0 | 0 | 1144 | 1529.7 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

