PLAYER PAGE
Josua Baruch Kruger
1160150273Cape Town (WCT)Personal
Main rating
| Rating | 1736.7 |
| K-factor | 28 |
| Floor | 1236.7 |
| Highest | 1736.7 (2026-06-01) |
| Min/Max +/- allowed | 77 |
| Rating Change () | |
| Games | 7 |
| Score | 4.5 |
| We | 4.96 |
| SWe | -0.46 |
| Temp +/- | -12.9 |
| Penalties | 0 |
| Weight perform | 1712.3 |
| Final +/- | -12.9 |
| New Rating () | |
| Rating | 1723.8 |
| K-factor | 28 |
| Floor | 1236.7 |
| Highest | 1736.7 (2026-06-01) |
| Min/Max +/- allowed | 77.2 |
Standard rating
| Rating | 1736.7 |
| K-factor | 28 |
| Floor | 1236.7 |
| Highest | 1736.7 (2026-06-01) |
| Min/Max +/- allowed | 77.2 |
| Rating Change () | |
| Games | 7 |
| Score | 4.5 |
| We | 5.03 |
| SWe | -0.53 |
| Temp +/- | -15 |
| Penalties | 0 |
| Weight perform | 1712.3 |
| Final +/- | -15 |
| New Rating () | |
| Rating | 1721.8 |
| K-factor | 28 |
| Floor | 1236.7 |
| Highest | 1736.7 (2026-06-01) |
| Min/Max +/- allowed | 77.2 |
Rapid rating
| Rating | 1516.2 |
| K-factor | 32 |
| Floor | 1083 |
| Highest | 1583 (2024-06-01) |
| Min/Max +/- allowed | 96.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1268.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1516.2 |
| K-factor | 32 |
| Floor | 1083 |
| Highest | 1583 (2024-06-01) |
| Min/Max +/- allowed | 96.1 |
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 |
| 1 | South African Open Championship 2026 (U11 Boys) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1736.7 | 7 | 4.5 | 1673.8 | -12.9 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 WCSC PS Individual Championship (U11 Boys) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1721.7 | 6 | 5 | 1794.9 | 12.4 | Details |
| 2 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1671.3 | 9 | 7 | 1844.5 | 50.4 | Details |
| 3 | CT Metro Schools Individual Closed 2026 (U11 Boys) | Standard | 2026-03-07 | 2026-03-08 | Cape Town (WCT) | 6 | 1642 | 6 | 5 | 1767.4 | 21.4 | Details |
| 4 | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1638.8 | 6 | 4.5 | 1647 | 1.6 | Details |
| 5 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1620.9 | 6 | 4 | 1555.1 | -9 | Details |
| 6 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1620.9 | 6 | 5 | 1805.3 | 21.7 | Details |
| 7 | Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Boys) | Standard | 2025-10-18 | 2025-10-18 | Cape Town (WCT) | 5 | 1588.6 | 5 | 5 | 1830.6 | 23.1 | Details |
| 8 | Rhenish Primary 2025 (U10) | Rapid | 2025-09-20 | 2025-09-20 | Cape Winelands (WCW) | 5 | 1592.8 | 5 | 3.5 | 1537.6 | -3.1 | Details |
| 9 | Western Cape Women’s Championship 2025 (U10) | Standard | 2025-08-09 | 2025-08-09 | West Coast (WCU) | 5 | 1593.2 | 5 | 3.5 | 1577.1 | -0.3 | Details |
| 10 | Gordons Bay Library Chess Tournament 2025 (U9) | Rapid | 2025-07-26 | 2025-07-26 | Cape Town (WCT) | 5 | 1578.7 | 5 | 4 | 1497.6 | -4.7 | Details |
| 11 | Cape Winelands Open 2025 (U10) | Standard | 2025-07-19 | 2025-07-19 | Cape Winelands (WCW) | 5 | 1578.7 | 5 | 4 | 1724.7 | 15.1 | Details |
| 12 | Cape Town Chess Junior League 2025 (U12) | Standard | 2025-05-10 | 2025-05-31 | Cape Town (WCT) | 6 | 1603.4 | 3 | 1 | 1284.7 | -17.6 | Details |
| 13 | Western Cape Schools Individual Championship 2025 (U9 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1608.8 | 6 | 4 | 1573.6 | -4 | Details |
| 14 | Cape Town Open Chess Festival 2025 (U10) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1590.2 | 6 | 4.5 | 1627.7 | 3.2 | Details |
| 15 | CT Metro Schools Individual Closed 2025 (U9 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1590.2 | 6 | 5 | 1609.4 | 2.7 | Details |
| 16 | CT Metro District East Schools Chess Individuals Trials 2025 (U9 Boys) | Standard | 2025-02-01 | 2025-02-01 | Cape Town (WCT) | 5 | 1544 | 5 | 5 | 1637.8 | 11.3 | Details |
| 17 | Helderberg Chess Club PS Development Tournament 2025 (U9) | Standard | 2025-01-25 | 2025-01-25 | Cape Town (WCT) | 5 | 1474.2 | 5 | 5 | 1714.5 | 22.9 | Details |
| 18 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U9) | Standard | 2024-10-05 | 2024-10-05 | Cape Town (WCT) | 5 | 1455.8 | 5 | 4 | 1578.5 | 11.5 | Details |
| 19 | Western Cape Women’s Championship 2024 (U10) | Standard | 2024-08-09 | 2024-08-09 | West Coast (WCU) | 5 | 1423.4 | 5 | 4.5 | 1637.3 | 20.3 | Details |
| 20 | CT Metro District East Top Schools Chess 2024 (U9 Mixed) | Standard | 2024-07-27 | 2024-07-28 | Cape Town (WCT) | 5 | 1447.6 | 5 | 4 | 1537.2 | 8.1 | Details |
| 21 | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1447.6 | 6 | 2.5 | 1197.6 | -23.1 | Details |
| 22 | 2024 African Youth Chess Championship | Classical | 2024-06-16 | 2024-06-22 | Tshwane (GTP) | 9 | 1516.4 | 9 | 5 | 1298.8 | -43 | Details |
| 23 | Rhenish PS Tournament 2024 (U10) | Rapid | 2024-05-11 | 2024-05-11 | Cape Winelands (WCW) | 6 | 1436.5 | 6 | 6 | 1629.4 | 15.7 | Details |
| 24 | South African Junior Closed Chess Championship 2024 (U8 Open) | Classical | 2024-04-27 | 2024-05-01 | Ekurhuleni (GE) | 9 | 1436.5 | 9 | 7 | 1592.7 | 34.2 | Details |
| 25 | Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1486.7 | 6 | 3 | 1214.5 | -31.4 | Details |
| 26 | CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1488.8 | 5 | 4 | 1464.5 | -1.3 | Details |
| 27 | Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) | Rapid | 2023-11-04 | 2023-11-04 | Cape Town (WCT) | 6 | 1461.3 | 6 | 6 | 1661.2 | 17.3 | Details |
| 28 | Western Cape Top Schools 2023 (U9 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1453.1 | 6 | 4 | 1496.1 | 5.1 | Details |
| 29 | CT Metro District East Top Schools Chess 2023 (U9 Mixed) | Rapid | 2023-07-29 | 2023-07-29 | Cape Town (WCT) | 5 | 1397.5 | 4 | 4 | 1683.9 | 16.3 | Details |
| 30 | Cape Winelands Open 2023 (U10) | Standard | 2023-07-23 | 2023-07-23 | Cape Winelands (WCW) | 5 | 1397.5 | 5 | 3.5 | 1438.8 | 3.7 | Details |
| 31 | WP Closed 2023 (U8) | Rapid | 2023-06-16 | 2023-06-16 | Cape Town (WCT) | 5 | 1365.5 | 5 | 5 | 1609.3 | 18 | Details |
| 32 | Western Cape PS Individuals 2023 (U7 Boys) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1244 | 6 | 6 | 1673.6 | 50.3 | Details |
| 33 | Rhenish Primary Tournament 2023 (U10) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 5 | 1244 | 5 | 4 | 1478.8 | 17.2 | Details |
| 34 | Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) | Rapid | 2023-03-04 | 2023-03-04 | Cape Town (WCT) | 5 | 1219.4 | 5 | 4 | 1419.3 | 13.8 | Details |
| 35 | District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) | Rapid | 2023-02-04 | 2023-02-04 | Cape Town (WCT) | 5 | 1200 | 5 | 3 | 1329.6 | 9.7 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 4 |
| Draws | 1 |
| Losses | 2 |
| White | 3 |
| Black | 4 |
| White wins | 1 |
| Black wins | 3 |
| Score | 4.5 |
| Percent | 64.3 |
| Dp | 121.4 |
| AOR | 1552.4 |
| Performance | 1673.8 |
Game statistics ()
| Games | 34 |
| Wins | 23 |
| Draws | 6 |
| Losses | 5 |
| White | 17 |
| Black | 17 |
| White wins | 11 |
| Black wins | 12 |
| Score | 26 |
| Percent | 76.5 |
| Dp | 225 |
| AOR | 1527.2 |
| Performance | 1752.2 |
Game statistics (History)
| Games | 205 |
| Wins | 151 |
| Draws | 16 |
| Losses | 38 |
| White | 103 |
| Black | 102 |
| White wins | 79 |
| Black wins | 72 |
| Score | 159 |
| Percent | 77.6 |
| Dp | 234.3 |
| AOR | 1343.9 |
| Performance | 1578.1 |
Rankings (Main)
| National | |
| Overall | 426 |
| Gender | 399 |
| Age group | 10 |
| Gender/Age | 10 |
| Provincial | |
| Overall | 135 |
| Gender | 127 |
| Age group | 5 |
| Gender/Age | 5 |
| Regional | |
| Overall | 107 |
| Gender | 101 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Standard)
| National | |
| Overall | 400 |
| Gender | 374 |
| Age group | 10 |
| Gender/Age | 10 |
| Provincial | |
| Overall | 127 |
| Gender | 119 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 101 |
| Gender | 94 |
| Age group | 5 |
| Gender/Age | 5 |
Rankings (Rapid)
| National | |
| Overall | 350 |
| Gender | 327 |
| Age group | 24 |
| Gender/Age | 22 |
| Provincial | |
| Overall | 162 |
| Gender | 151 |
| Age group | 14 |
| Gender/Age | 12 |
| Regional | |
| Overall | 97 |
| Gender | 93 |
| Age group | 10 |
| Gender/Age | 10 |
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 | 7 |
| Score | 4.5 |
| Percent | 64.3 |
| Aor | 1552.4 |
| Dp | 121.4 |
| Prat | 1673.8 |
Performance ()
| Games | 34 |
| Score | 26 |
| Percent | 76.5 |
| Aor | 1527.2 |
| Dp | 225 |
| Prat | 1752.2 |
Performance (12 months)
| Games | 61 |
| Score | 47 |
| Percent | 77 |
| Aor | 1482.6 |
| Dp | 229.9 |
| Prat | 1712.5 |
Performance (History)
| Games | 205 |
| Score | 159 |
| Percent | 77.6 |
| Aor | 1343.9 |
| Dp | 234.3 |
| Prat | 1578.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Lin, J (Junming) | 7 | 4 | 3 | CT Metro District East Top Schools Chess 2024 (U9 Mixed) | 2026 WCSC PS Individual Championship (U11 Boys) | Details |
| Overall | 2 | Klopper, E (Elbe) | 6 | 4 | 2 | Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) | Western Cape Women’s Championship 2025 (U10) | Details |
| Overall | 3 | Akemdien, A (Alex) | 6 | 2 | 4 | Helderberg Chess Club PS Development Tournament 2025 (U9) | South African Junior Closed Chess Championship 2026 (U10 Open) | Details |
| Overall | 4 | Marais, A (Alexander) | 5 | 2 | 3 | Rhenish Primary Tournament 2023 (U10) | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Details |
| Overall | 5 | Venter, M (Michael) | 4 | 2 | 2 | Helderberg Chess Club PS Development Tournament 2025 (U9) | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Details |
| Standard | 1 | Lin, J (Junming) | 6 | 3 | 3 | CT Metro District East Top Schools Chess 2024 (U9 Mixed) | 2026 WCSC PS Individual Championship (U11 Boys) | Details |
| Standard | 2 | Akemdien, A (Alex) | 6 | 2 | 4 | Helderberg Chess Club PS Development Tournament 2025 (U9) | South African Junior Closed Chess Championship 2026 (U10 Open) | Details |
| Standard | 3 | Klopper, E (Elbe) | 4 | 3 | 1 | Cape Winelands Open 2023 (U10) | Western Cape Women’s Championship 2025 (U10) | Details |
| Standard | 4 | Nel, J (Joshua) | 3 | 1 | 2 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U9) | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Details |
| Standard | 5 | Venter, M (Michael) | 3 | 2 | 1 | Helderberg Chess Club PS Development Tournament 2025 (U9) | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Details |
| Rapid | 1 | Marais, A (Alexander) | 2 | 1 | 1 | Rhenish Primary Tournament 2023 (U10) | Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) | Details |
| Rapid | 2 | Kruger, M (Migael) | 2 | 0 | 2 | District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) | Rhenish Primary Tournament 2023 (U10) | Details |
| Rapid | 3 | Javed, M (Mariam) | 2 | 1 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) | WP Closed 2023 (U8) | Details |
| Rapid | 4 | Klopper, E (Elbe) | 2 | 1 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Details |
| Rapid | 5 | Koen, G (Gustav) | 2 | 1 | 1 | Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) | Rhenish Primary 2025 (U10) | Details |