PLAYER PAGE
Joshua Carstens
1090130345Cape Town (WCT)Personal
Main rating
| Rating | 1344.1 |
| K-factor | 36 |
| Floor | 884.6 |
| Highest | 1384.6 (2025-03-01) |
| Min/Max +/- allowed | 127 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1264.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1344.1 |
| K-factor | 36 |
| Floor | 884.6 |
| Highest | 1384.6 (2025-03-01) |
| Min/Max +/- allowed | 127.5 |
Standard rating
| Rating | 1339.6 |
| K-factor | 36 |
| Floor | 888.8 |
| Highest | 1388.8 (2025-03-01) |
| Min/Max +/- allowed | 126.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1264.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1339.6 |
| K-factor | 36 |
| Floor | 888.8 |
| Highest | 1388.8 (2025-03-01) |
| Min/Max +/- allowed | 126.7 |
Rapid rating
| Rating | 1234.2 |
| K-factor | 36 |
| Floor | 739.6 |
| Highest | 1415.7 (2022-05-01) |
| Min/Max +/- allowed | 121.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1234.2 |
| K-factor | 36 |
| Floor | 739.6 |
| Highest | 1415.7 (2022-05-01) |
| Min/Max +/- allowed | 121.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1355 | 6 | 3 | 1279.3 | 0 | Details |
| 2 | CT Metro District East Top Schools Chess 2025 (U19) | Standard | 2025-08-02 | 2025-08-03 | Cape Town (WCT) | 5 | 1327.8 | 4 | 3 | 1520.9 | 0 | Details |
| 3 | CT Metro Schools Individual Closed 2025 (U17 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1384.6 | 6 | 1.5 | 1122 | 0 | Details |
| 4 | CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1359.5 | 6 | 5 | 1476.7 | 0 | Details |
| 5 | Western Cape Top Schools Championship 2024 (U15 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1309.2 | 4 | 3 | 1451.9 | 0 | Details |
| 6 | CT Metro District East Top Schools Chess 2024 (U15 Mixed) | Standard | 2024-07-27 | 2024-07-28 | Cape Town (WCT) | 7 | 1265.6 | 6 | 5 | 1471.1 | 0 | Details |
| 7 | Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1247.7 | 6 | 3 | 1332.5 | 0 | Details |
| 8 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1211.5 | 4 | 3 | 1469.7 | 0 | Details |
| 9 | Western Cape Top Schools 2023 (U15 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1211.5 | 6 | 2 | 1212.9 | 0 | Details |
| 10 | CT Metro District East Top Schools Chess 2023 (U15 Mixed) | Rapid | 2023-07-29 | 2023-07-29 | Cape Town (WCT) | 3 | 1200.5 | 3 | 2 | 1355.7 | 0 | Details |
| 11 | Metro Rapid 2022 (U13 Boys) | Rapid | 2022-10-22 | 2022-10-22 | Cape Town (WCT) | 5 | 1207.2 | 5 | 2 | 1147.9 | 0 | Details |
| 12 | Rhenish Primary Tournament 2022 (U14) | Rapid | 2022-05-14 | 2022-05-14 | Cape Winelands (WCW) | 5 | 1183.4 | 4 | 3 | 1394.2 | 0 | Details |
| 13 | 2020 East District Individuals (U11) | Standard | 2020-01-31 | 2020-02-01 | Cape Town (WCT) | 6 | 1200 | 5 | 2 | 1107.9 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 6 |
| Wins | 3 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 3 |
| White wins | 0 |
| Black wins | 3 |
| Score | 3 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1279.3 |
| Performance | 1279.3 |
Game statistics (History)
| Games | 65 |
| Wins | 37 |
| Draws | 1 |
| Losses | 27 |
| White | 32 |
| Black | 33 |
| White wins | 18 |
| Black wins | 19 |
| Score | 37.5 |
| Percent | 57.7 |
| Dp | 65.4 |
| AOR | 1258.6 |
| Performance | 1324 |
Rankings (Main)
| National | |
| Overall | 4574 |
| Gender | 3832 |
| Age group | 705 |
| Gender/Age | 581 |
| Provincial | |
| Overall | 1396 |
| Gender | 1114 |
| Age group | 203 |
| Gender/Age | 153 |
| Regional | |
| Overall | 657 |
| Gender | 563 |
| Age group | 76 |
| Gender/Age | 63 |
Rankings (Standard)
| National | |
| Overall | 4251 |
| Gender | 3552 |
| Age group | 683 |
| Gender/Age | 567 |
| Provincial | |
| Overall | 1212 |
| Gender | 952 |
| Age group | 182 |
| Gender/Age | 137 |
| Regional | |
| Overall | 589 |
| Gender | 489 |
| Age group | 69 |
| Gender/Age | 56 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 6 |
| Score | 3 |
| Percent | 50 |
| Aor | 1279.3 |
| Dp | 0 |
| Prat | 1279.3 |
Performance (12 months)
| Games | 10 |
| Score | 6 |
| Percent | 60 |
| Aor | 1290.9 |
| Dp | 85 |
| Prat | 1375.9 |
Performance (History)
| Games | 65 |
| Score | 37.5 |
| Percent | 57.7 |
| Aor | 1258.6 |
| Dp | 65.4 |
| Prat | 1324 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Schalkwyk, M (Marshall) | 2 | 0 | 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys) | CT Metro Schools Individual Closed 2025 (U17 Open) | Details |
| Overall | 2 | Priestley, L (Logan) | 2 | 0 | 2 | Western Cape Top Schools 2023 (U15 Mixed) | Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) | Details |
| Overall | 3 | Engelbrecht, X (Xander) | 2 | 0 | 2 | CT Metro Schools Individual Closed 2025 (U17 Open) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Overall | 4 | Sanderson, J (Jamie) | 2 | 1 | 1 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Standard | 1 | Van Schalkwyk, M (Marshall) | 2 | 0 | 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys) | CT Metro Schools Individual Closed 2025 (U17 Open) | Details |
| Standard | 2 | Priestley, L (Logan) | 2 | 0 | 2 | Western Cape Top Schools 2023 (U15 Mixed) | Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) | Details |
| Standard | 3 | Engelbrecht, X (Xander) | 2 | 0 | 2 | CT Metro Schools Individual Closed 2025 (U17 Open) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Standard | 4 | Sanderson, J (Jamie) | 2 | 1 | 1 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |