OPPONENTS MOST OFTEN PLAYED
Personal
Willenberg, KS (Kenneth Sean)
Chess SA id
184042918FIDE id
?Date of birth
1984-08-29 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
CMChess SA registered
NoLast active game
2025-09-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Opponent | Tournaments | |||||||||
| 1 | Klaasen, CJ (Calvin John) | Hermanus Chess Club Open 2025 (Championship) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2199.7 | Rapid 2184.8 | Type Rapid | Round 6 | Date 2025-04-12 | Colour W | Result 0 | |
| 2 | Klaasen, CJ (Calvin John) | Cape of Good Hope Open 2025 (Championship) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2192.1 | Standard 2219.1 | Type Standard | Round 6 | Date 2025-02-23 | Colour B | Result 0.5 | |
| 3 | Klaasen, CJ (Calvin) | South African Open 2022 (Championship) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2211.5 | Standard 2221.3 | Type Standard | Round 8 | Date 2022-07-15 | Colour B | Result 0 | |
| 4 | Klaasen, CJ (Calvin) | 2022 South African Closed Chess Championships (Open) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2226.7 | Standard 2237.9 | Type Standard | Round 8 | Date 2022-05-13 | Colour W | Result 0 | |
| 5 | Klaasen, CJ (Calvin) | Nelson Mandela Rapid 2020 (Open) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2198.3 | Rapid 2229.8 | Type Rapid | Round 3 | Date 2020-02-01 | Colour B | Result 0 | |
| 6 | Klaasen, CJ (Calvin) | Graham Solomon Memorial 2018 (Blitz) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2260.8 | Blitz 2241.3 | Type Blitz | Round 4 | Date 2018-11-25 | Colour B | Result 0 | |
| 7 | Klaasen, CJ (Calvin) | 2018 Western Province League (Premier) | ||||||||
Title FM | Region WCT | Federation RSA | Main 2231.2 | Standard 2231.6 | Type Standard | Round 8 | Date 2018-09-01 | Colour W | Result 0 | |