| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| cc1 | Chess Challenger | 1977 | Fidelity Electronics | Yes | |
| cc10c | Chess Challenger (model UCC10, 10 levels) | 1979 | Fidelity Electronics | Yes | |
| cc3 | Chess Challenger (upgraded version, 3 levels) | 1977 | Fidelity Electronics | Yes |