Companies (1)
| Title | Location |
|---|---|
| Circle Chess Journal Alphonso Stanonis invented a version of Circle Chess in the 1960s. An early Sinclair computer enthusiast, he advertised in many... | Des Plaines, IL 60017 |
User Groups (1)
| Title | Location | Founded |
|---|---|---|
| Chicago/Des Plaines Area Sinclair Users Group Contact: A. F. Stanonis Specializing in Circle Chess. | Des Plaines, IL 60017 |