| Issue | #31 |
| Published | October 1990 |
| Cover Price | 2.00 |
| Pages | 36 |
| Editing | Jonathan Peterson |
| Characters | Checkmate; Victor Cypher |
| Genre | Superhero; Detective |
| Pencils | Steve Erwin |
| Inks | Michael Bair |
| Notes | Art credits from solicitation. |
| Characters | FEATURE: Checkmate [Winston O'Donnell; Lionel Wainwright; Gary Washington; John Reed; Mark Nagoya]; GUESTS: Harry Stein; Sarge Steel; Russian Checkmate Agent; VILLAINS: Victor Cypher; Niles Dark; Cypher Soldiers |
| Synopsis | The Russians send an agent after Checkmate to recover the Powerstone (Which Checkmate doesn't have); Steel secrets Harry back to Colorado to take over Checkmate again; Checkmate frees Winston and Lionel from Cypher's complex; Cypher arrives in Austanburg. |
| Genre | Superhero; Detective |
| Script | Paul Kupperberg |
| Pencils | Gabriel Morrissette |
| Inks | John Statema |
| Colors | Julianna Ferriter |
| Letters | Gaspar |