| Issue | #30 |
| Published | August 1990 |
| Cover Price | 1.50 |
| Pages | 36 |
| Editing | Jonathan Peterson |
| Characters | Checkmate |
| Genre | Superhero; Detective |
| Pencils | Steve Erwin (?) |
| Inks | Michael Bair (?) |
| Characters | FEATURE: Checkmate [Winston O'Donnell; Lionel Wainwright; Mark Nagoya]; GUESTS: Harry Stein; Sarge Steel; Val Vostok; VILLAINS: Victor Cypher; Niles Dark; Andre Mazarin; Cypher Soldiers; CAMEO: Bishop |
| Synopsis | Harry's hearing continues; A new knight unwittingly takes Cypher's bait; Lionel and Winston go rogue and break into Cypher's office looking for some dirt. |
| Genre | Superhero; Detective |
| Script | Paul Kupperberg |
| Pencils | Steve Erwin |
| Inks | Michael Bair |
| Colors | Julianna Ferriter |
| Letters | Jonnie Mac |