PLAYER PAGE
Josua Baruch Kruger
1160150273Cape Town (WCT)Personal
Main rating
| Rating | 1671.3 |
| K-factor | 28 |
| Floor | 1171.3 |
| Highest | 1671.3 (2026-03-01) |
| Min/Max +/- allowed | 85 |
| Rating Change () | |
| Games | 9 |
| Score | 7 |
| We | 5.2 |
| SWe | 1.8 |
| Temp +/- | 50.4 |
| Penalties | 0 |
| Weight perform | 1715.9 |
| Final +/- | +50.4 |
| New Rating () | |
| Rating | 1721.7 |
| K-factor | 28 |
| Floor | 1221.7 |
| Highest | 1721.7 (2026-04-01) |
| Min/Max +/- allowed | 78.9 |
Standard rating
| Rating | 1671.3 |
| K-factor | 28 |
| Floor | 1139.2 |
| Highest | 1671.5 (2023-05-01) |
| Min/Max +/- allowed | 84.7 |
| Rating Change () | |
| Games | 9 |
| Score | 7 |
| We | 5.19 |
| SWe | 1.81 |
| Temp +/- | 50.7 |
| Penalties | 0 |
| Weight perform | 1715.9 |
| Final +/- | +50.7 |
| New Rating () | |
| Rating | 1722 |
| K-factor | 28 |
| Floor | 1222 |
| Highest | 1722 (2026-04-01) |
| Min/Max +/- allowed | 78.8 |
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 | 1307.3 |
| 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 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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 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 |
| 2 | 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 |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | 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 |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | 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 |
| 13 | 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 |
| 14 | 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 |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |
| 20 | 2024 African Youth Chess Championship | Classical | 2024-06-16 | 2024-06-22 | Tshwane (GTP) | 9 | 1516.4 | 9 | 5 | 1298.8 | -43 | Details |
| 21 | 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 |
| 22 | 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 |
| 23 | 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 |
| 24 | 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 |
| 25 | 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 |
| 26 | 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 |
| 27 | 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 |
| 28 | 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 |
| 29 | WP Closed 2023 (U8) | Rapid | 2023-06-16 | 2023-06-16 | Cape Town (WCT) | 5 | 1365.5 | 5 | 5 | 1609.3 | 18 | Details |
| 30 | 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 |
| 31 | Rhenish Primary Tournament 2023 (U10) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 5 | 1244 | 5 | 4 | 1478.8 | 17.2 | Details |
| 32 | 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 |
| 33 | 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 | 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 | 21 |
| Wins | 15 |
| Draws | 3 |
| Losses | 3 |
| White | 11 |
| Black | 10 |
| White wins | 9 |
| Black wins | 6 |
| Score | 16.5 |
| Percent | 78.6 |
| Dp | 242.9 |
| AOR | 1523.2 |
| Performance | 1766.1 |
Game statistics (History)
| Games | 192 |
| Wins | 143 |
| Draws | 13 |
| Losses | 36 |
| White | 97 |
| Black | 95 |
| White wins | 77 |
| Black wins | 66 |
| Score | 149.5 |
| Percent | 77.9 |
| Dp | 236.8 |
| AOR | 1331 |
| Performance | 1567.9 |
Rankings (Main)
| National | |
| Overall | 613 |
| Gender | 576 |
| Age group | 16 |
| Gender/Age | 15 |
| Provincial | |
| Overall | 189 |
| Gender | 178 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 140 |
| Gender | 133 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Standard)
| National | |
| Overall | 592 |
| Gender | 554 |
| Age group | 17 |
| Gender/Age | 15 |
| Provincial | |
| Overall | 175 |
| Gender | 162 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 131 |
| Gender | 123 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Rapid)
| National | |
| Overall | 291 |
| Gender | 277 |
| Age group | 20 |
| Gender/Age | 18 |
| Provincial | |
| Overall | 142 |
| Gender | 132 |
| Age group | 13 |
| Gender/Age | 11 |
| Regional | |
| Overall | 87 |
| Gender | 84 |
| Age group | 8 |
| Gender/Age | 8 |
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 | 9 |
| Score | 7 |
| Percent | 77.8 |
| Aor | 1608.4 |
| Dp | 236.1 |
| Prat | 1844.6 |
Performance ()
| Games | 21 |
| Score | 16.5 |
| Percent | 78.6 |
| Aor | 1523.2 |
| Dp | 242.9 |
| Prat | 1766.1 |
Performance (12 months)
| Games | 67 |
| Score | 50.5 |
| Percent | 75.4 |
| Aor | 1446.8 |
| Dp | 215.7 |
| Prat | 1662.4 |
Performance (History)
| Games | 192 |
| Score | 149.5 |
| Percent | 77.9 |
| Aor | 1331 |
| Dp | 236.8 |
| Prat | 1567.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | 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 | 2 | Lin, J (Junming) | 6 | 3 | 3 | CT Metro District East Top Schools Chess 2024 (U9 Mixed) | Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Boys) | Details |
| Overall | 3 | Marais, A (Alexander) | 5 | 2 | 3 | Rhenish Primary Tournament 2023 (U10) | CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) | Details |
| Overall | 4 | Akemdien, A (Alex) | 5 | 2 | 3 | Helderberg Chess Club PS Development Tournament 2025 (U9) | Western Cape Women’s Championship 2025 (U10) | 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) | 5 | 2 | 3 | CT Metro District East Top Schools Chess 2024 (U9 Mixed) | Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Boys) | Details |
| Standard | 2 | Akemdien, A (Alex) | 5 | 2 | 3 | Helderberg Chess Club PS Development Tournament 2025 (U9) | Western Cape Women’s Championship 2025 (U10) | Details |
| Standard | 3 | Klopper, E (Elbe) | 4 | 3 | 1 | Cape Winelands Open 2023 (U10) | Western Cape Women’s Championship 2025 (U10) | Details |
| Standard | 4 | Marais, A (Alexander) | 3 | 1 | 2 | CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) | 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 | 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 | 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 | Marais, A (Alexander) | 2 | 1 | 1 | Rhenish Primary Tournament 2023 (U10) | Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) | Details |
| Rapid | 4 | Koen, G (Gustav) | 2 | 1 | 1 | Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) | Rhenish Primary 2025 (U10) | Details |
| Rapid | 5 | Javed, M (Mariam) | 2 | 1 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) | WP Closed 2023 (U8) | Details |