PLAYER PAGE
Willem Lodewyk Kruger Kruger
1160193580Cape Town (WCT)Personal
Main rating
| Rating | 1329.9 |
| K-factor | 36 |
| Floor | 829.9 |
| Highest | 1329.9 (2026-08-01) |
| Min/Max +/- allowed | 138 |
| Rating Change () | |
| Games | 10 |
| Score | 4 |
| We | 4.95 |
| SWe | -0.79 |
| Temp +/- | -28.3 |
| Penalties | 0 |
| Weight perform | 1238.5 |
| Final +/- | -28.3 |
| New Rating () | |
| Rating | 1301.6 |
| K-factor | 36 |
| Floor | 829.9 |
| Highest | 1329.9 (2026-08-01) |
| Min/Max +/- allowed | 137.8 |
Standard rating
| Rating | 1321.9 |
| K-factor | 36 |
| Floor | 821.9 |
| Highest | 1321.9 (2026-08-01) |
| Min/Max +/- allowed | 139.4 |
| Rating Change () | |
| Games | 10 |
| Score | 4 |
| We | 4.97 |
| SWe | -0.97 |
| Temp +/- | -34.8 |
| Penalties | 0 |
| Weight perform | 1233.2 |
| Final +/- | -34.8 |
| New Rating () | |
| Rating | 1287.1 |
| K-factor | 36 |
| Floor | 821.9 |
| Highest | 1321.9 (2026-08-01) |
| Min/Max +/- allowed | 139.4 |
Rapid rating
| Rating | 1272.9 |
| K-factor | 36 |
| Floor | 772.9 |
| Highest | 1272.9 (2026-04-01) |
| Min/Max +/- allowed | 149.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1189.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1272.9 |
| K-factor | 36 |
| Floor | 772.9 |
| Highest | 1272.9 (2026-04-01) |
| Min/Max +/- allowed | 149.5 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| 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 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | West Coast Open 2026 (U12) | Standard | 2026-10-10 | 2026-10-10 | West Coast (WCU) | 5 | 1329.9 | 5 | 2 | 1196.9 | -20.8 | Details |
| 2 | CTCF Women's Championship 2026 (U12 Junior) | Standard | 2026-09-24 | 2026-09-24 | Cape Town (WCT) | 5 | 1329.9 | 5 | 2 | 1266.7 | -7.5 | Details |
| # | 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 | 1327.3 | 7 | 3 | 1322.4 | 2.6 | Details |
| 2 | Hermanus Chess Club Open 2026 (U12) | Rapid | 2026-04-18 | 2026-04-18 | Overberg (WOS) | 7 | 1310.7 | 7 | 4 | 1435.1 | 16.6 | Details |
| 3 | Steinitz Chess Festival 2026 (U12) | Rapid | 2026-03-21 | 2026-03-21 | Cape Town (WCT) | 5 | 1309.7 | 5 | 3 | 1325.8 | 1 | Details |
| 4 | CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1279.6 | 6 | 3 | 1229.8 | -5.8 | Details |
| 5 | Marie Delport Memorial 2026 (U12 Boys) | Standard | 2026-01-31 | 2026-01-31 | Cape Winelands (WCW) | 5 | 1279.6 | 5 | 4 | 1515.4 | 12.4 | Details |
| 6 | Heideveld Open Rapid Chess Championship 2025 (B) | Rapid | 2025-11-29 | 2025-11-29 | Cape Town (WCT) | 5 | 1294.6 | 5 | 2 | 1104.5 | -8.3 | Details |
| 7 | Western Cape Schools Individual Championship 2025 (U9 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1294.9 | 6 | 3 | 1293.4 | -0.2 | Details |
| 8 | Hermanus Chess Club Open 2025 (U10) | Rapid | 2025-04-12 | 2025-04-12 | Overberg (WOS) | 7 | 1284.3 | 7 | 4 | 1345.2 | 5.9 | Details |
| 9 | CT Metro Schools Individual Closed 2025 (U9 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1244.3 | 6 | 4 | 1429.3 | 22.2 | Details |
| 10 | CT Metro North Schools Chess Individual Trials 2025 (U9 Open) | Standard | 2025-02-08 | 2025-02-09 | Cape Town (WCT) | 6 | 1195.8 | 6 | 4 | 1426.3 | 26.9 | Details |
| 11 | Western Cape Women’s Championship 2024 (U10) | Standard | 2024-08-09 | 2024-08-09 | West Coast (WCU) | 5 | 1197.3 | 5 | 1 | 1058.5 | -12.9 | Details |
| 12 | Curro Durbanville Chess Rapid Open 2024 (Beginner) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1234.1 | 6 | 1.5 | 1015 | -20.3 | Details |
| 13 | Cape Town Chess Federation Closed Chess Championships 2024 (U10) | Standard | 2024-06-15 | 2024-06-15 | Cape Town (WCT) | 5 | 1245.5 | 5 | 2 | 1188.3 | -6.3 | Details |
| 14 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1223.4 | 6 | 3 | 1329.2 | 12.3 | Details |
| 15 | Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1212.9 | 6 | 3 | 1262.8 | 5.8 | Details |
| 16 | North District School Trials 2024 (U9 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1200 | 5 | 3 | 1271.1 | 6.3 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 2 |
| Draws | 0 |
| Losses | 3 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 2 |
| Score | 2 |
| Percent | 40 |
| Dp | -85 |
| AOR | 1281.9 |
| Performance | 1196.9 |
Game statistics ()
| Games | 40 |
| Wins | 21 |
| Draws | 0 |
| Losses | 19 |
| White | 22 |
| Black | 18 |
| White wins | 11 |
| Black wins | 10 |
| Score | 21 |
| Percent | 52.5 |
| Dp | 21.2 |
| AOR | 1308.9 |
| Performance | 1330.1 |
Game statistics (History)
| Games | 103 |
| Wins | 51 |
| Draws | 1 |
| Losses | 51 |
| White | 53 |
| Black | 50 |
| White wins | 26 |
| Black wins | 25 |
| Score | 51.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1284.2 |
| Performance | 1284.2 |
Rankings (Main)
| National | |
| Overall | 5230 |
| Gender | 4327 |
| Age group | 552 |
| Gender/Age | 429 |
| Provincial | |
| Overall | 1610 |
| Gender | 1260 |
| Age group | 192 |
| Gender/Age | 135 |
| Regional | |
| Overall | 732 |
| Gender | 602 |
| Age group | 75 |
| Gender/Age | 60 |
Rankings (Standard)
| National | |
| Overall | 4843 |
| Gender | 3968 |
| Age group | 538 |
| Gender/Age | 414 |
| Provincial | |
| Overall | 1444 |
| Gender | 1108 |
| Age group | 179 |
| Gender/Age | 125 |
| Regional | |
| Overall | 673 |
| Gender | 541 |
| Age group | 72 |
| Gender/Age | 57 |
Rankings (Rapid)
| National | |
| Overall | 2604 |
| Gender | 2115 |
| Age group | 391 |
| Gender/Age | 301 |
| Provincial | |
| Overall | 1054 |
| Gender | 834 |
| Age group | 162 |
| Gender/Age | 117 |
| Regional | |
| Overall | 403 |
| Gender | 348 |
| Age group | 64 |
| Gender/Age | 52 |
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 | 5 |
| Score | 2 |
| Percent | 40 |
| Aor | 1281.9 |
| Dp | -85 |
| Prat | 1196.9 |
Performance ()
| Games | 40 |
| Score | 21 |
| Percent | 52.5 |
| Aor | 1308.9 |
| Dp | 21.2 |
| Prat | 1330.1 |
Performance (12 months)
| Games | 45 |
| Score | 23 |
| Percent | 51.1 |
| Aor | 1295.6 |
| Dp | 9.4 |
| Prat | 1305.1 |
Performance (History)
| Games | 103 |
| Score | 51.5 |
| Percent | 50 |
| Aor | 1284.2 |
| Dp | 0 |
| Prat | 1284.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Musakwa, C (Cole) | 2 | 1 | 1 | North District School Trials 2024 (U9 Boys) | Steinitz Chess Festival 2026 (U12) | Details |
| Overall | 2 | Griessel, J (Jason) | 2 | 1 | 1 | Western Cape PS Individuals Championship 2024 (U9 Boys) | South African Open Championship 2026 (U11 Boys) | Details |
| Overall | 3 | Javed, M (Mariam) | 2 | 1 | 1 | Cape Town Chess Federation Closed Chess Championships 2024 (U10) | Hermanus Chess Club Open 2026 (U12) | Details |
| Overall | 4 | Beukes, B (Benjamin) | 2 | 0 | 2 | Western Cape Women’s Championship 2024 (U10) | Hermanus Chess Club Open 2025 (U10) | Details |
| Overall | 5 | Techow-Grubert, D (Dominik) | 2 | 1 | 1 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Western Cape Women’s Championship 2024 (U10) | Details |
| Standard | 1 | Sonday, R (Rayyan) | 2 | 1 | 1 | North District School Trials 2024 (U9 Boys) | Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) | Details |
| Standard | 2 | Techow-Grubert, D (Dominik) | 2 | 1 | 1 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Western Cape Women’s Championship 2024 (U10) | Details |
| Standard | 3 | Griessel, J (Jason) | 2 | 1 | 1 | Western Cape PS Individuals Championship 2024 (U9 Boys) | South African Open Championship 2026 (U11 Boys) | Details |
| Standard | 4 | Ramonyaluoe, M (Madalitso) | 2 | 1 | 1 | Western Cape Women’s Championship 2024 (U10) | CT Metro North Schools Chess Individual Trials 2025 (U9 Open) | Details |
| Rapid | 1 | Mtiki, S (Sesona) | 2 | 1 | 1 | Hermanus Chess Club Open 2025 (U10) | Hermanus Chess Club Open 2026 (U12) | Details |