| Unofficial Checkmate Index |
Credits:
| Story | Paul Kupperberg |
| Pencils | Tom Grindberg |
| Inks | Al Vey |
| Colors | Julianna Ferriter |
| Lettering | Lee Keys |
| Editing | Jonathan Peterson |
Feature Character(s):
- Sarge Steel (last in Suicide Squad Vol. 1 #40)
- Harry Stein
- Harvey Bullock (next in issue #29)
- Valentina Vostok (in between issues #25 and #29)
- Checkmate Knights
- Gary Washington
- Phil Kramer (last in ???)
- Winston Churchill O'Donnell
- Roberts (first appearance; a Checkmate Pawn)
Supporting Character(s):
- Professor Braddock (last in issue #25; last appearance)
Villain(s):
Comment(s):
- This issue leads directly from previous issue and into next issue.