Issue 1
Checkmate (1987-) #1
Bombs are going off in Chicago…and that's only the start of a terrorist plot to tear America apart! Exploding from the pages of VIGILANTE and ACTION COMICS comes the ultra-secret organization Checkmate, whose Knights are the country's heroes of last resort!
Issue 2
Checkmate (1987-) #2
A wave of terrorist bombings has Chicago under siege…but the Knights of Checkmate discover that the ultra-right-wing group behind the blasts is merely using the Windy City as a diversion!
Issue 3
Checkmate (1987-) #3
Right-wing terrorists are about to split America in civil war…unless the entire mobilized might of the Checkmate organization can stop their plans for secession by violence.
Issue 4
Checkmate (1987-) #4
A Knight abroad, backed by all the resources Checkmate has to offer…all to protect the life of one man loose in the canals of Venice.
Issue 5
Checkmate (1987-) #5
Gun smugglers are operating out of Dallas, and the Knights of Checkmate must track an international conspiracy that threatens the peace and stability of the Middle East.
Issue 6
Checkmate (1987-) #6
The trail of international arms smuggling leading from Venice and Dallas converge in the Middle East as Checkmate goes to Israel to foil the plot-and discover ties that point straight to the U.S. government.
Issue 7
Checkmate (1987-) #7
A trio of Knights head into enemy territory as they invade Qurac to put an end to an international arms-smuggling ring controlled from the Quraci royal palace.
Issue 8
Checkmate (1987-) #8
Amanda Waller's given the Checkmate team an order…kill Black Thorn before she becomes a threat to their security.
Issue 9
Checkmate (1987-) #9
The Treasury Department can't handle it. The FBI is stumped. Now it's up to the Knights of Checkmate to put the moves on a group that's about to flood the country with perfect counterfeit money.
Issue 10
Checkmate (1987-) #10
A counterfeiting ring equipped with real U.S. Treasury printing plates could produce enough funny money to destroy the world economy…unless the Knights of Checkmate make sure the bucks stop here!
Issue 11
Checkmate (1987-) #11
INVASION Extra: First Strike! When Earth becomes the target of the alien Invasion, the Knights of Checkmate are thrust into a plot by human sympathizers to assassinate the Queen of England.
Issue 12
Checkmate (1987-) #12
Invasion Extra: Aftermath. There's a Knight in the space program as Checkmate goes undercover at Cape Canaveral to stop an inside plot to steal the space shuttle.
Issue 13
Checkmate (1987-) #13
Divorced dad Harry Stein tries to get away for a vacation with his kids, but when your job is heading up Checkmate, it's not easy to get away from work even when you're not in the office.
Issue 14
Checkmate (1987-) #14
Black Thorn asks one of the Knights of Checkmate for help on a very personal mission in a trio of tales.
Issue 15
Checkmate (1987-) #15
While a Knight faces the armored might of the mysterious assassin known as the Bishop, Amanda Waller sets in motion forces that could destroy Checkmate and the rest of America's intelligence community.
Issue 16
Checkmate (1987-) #16
Harry Stein sends a Knight, Black Thorn and Valentina Vostok to grab Amanda Waller before her efforts destroy the nation's spy agencies...the way General Eiling wants Major Force to destroy Checkmate's headquarters.
Issue 17
Checkmate (1987-) #17
With their headquarters destroyed, the Knights of Checkmate are being killed off by the mysterious Blackadders as the Suicide Squad, Black Thorn, Val Vostok and the Atom Project continue their search for the power behind the deadly Janus Directive.
Issue 18
Checkmate (1987-) #18
The Knights of Checkmate and the Suicide Squad prepare for an all-out assault on the death-dealing Space Ark of Kobra, the force behind the world-dominating scheme known as the Janus Directive.
Issue 19
Checkmate (1987-) #19
While the Checkmate organization deals with the devastation wrought by the events of the Janus Directive, the Knights in the field are faced with a new menace that threatens to destroy them from within...a renegade agent who calls himself the Black Night.
Issue 20
Checkmate (1987-) #20
A Knight in Moscow tracks down a Soviet mole in the U.S. State Department...and another makes a surprising return from the field.
Issue 21
Checkmate (1987-) #21
Checkmate launches into action to protect California's water supply...but can they trust the Knights involved? And who is the deadly Bishop who fights against them?
Issue 22
Checkmate (1987-) #22
The mysterious Bishop resurfaces...but how does he tie in with Checkmate's investigation into gangland involvement with California's water supply?
Issue 23
Checkmate (1987-) #23
Who is killing the greatest scientific minds of Europe and America? Only Peacemaker stands a chance of finding out as Checkmate deals with internal problems concerning the freelance assassin known as Bishop.
Issue 24
Checkmate (1987-) #24
Peacemaker learns the identity of the power behind the deaths of America's and Europe's greatest defense scientists...while Checkmate seeks the identity of the man known as the Bishop.
Issue 25
Checkmate (1987-) #25
Peacemaker's help is needed as the identity of Bishop is revealed at last...and proves to be a traitor within the ranks of Checkmate.
Issue 26
Checkmate (1987-) #26
Harry Stein takes matters into his own hands when his children are kidnapped...and his actions could doom Checkmate to destruction at the hands of Bishop and his mysterious masters.
Issue 27
Checkmate (1987-) #27
Harry Stein breaks every rule in the book to rescue his kidnapped children from the clutches of Cypher International...but the price for his actions ends in tragedy.
Issue 28
Checkmate (1987-) #28
The menace and mystery of Cypher continues to grow as a newer generation of Bishop-robots is created...and Harry Stein is about to be fired as the head of Checkmate.
Issue 29
Checkmate (1987-) #29
Cypher's running some deadly tests of its robotic Bishop corps, creating mayhem on his way to fulfilling his master plan. Will Winston O'Donnell save the day...or quit Checkmate forever?
Issue 30
Checkmate (1987-) #30
Knights Winston O'Donnell and Lionel Hawkins must survive an attack by Bishop...and then an invasion of Cypher International headquarters. The problem is, they're doing it all against orders from Checkmate.
Issue 31
Checkmate (1987-) #31
Victor Cypher begins his ultimate march to power, and only Checkmate is in any position to stop him from launching all-out war across the European countryside.
Issue 32
Checkmate (1987-) #32
The Checkmate crew scrambles to stop Victor Cypher's attempted takeover of a European nation.
Issue 33
Checkmate (1987-) #33
Checkmate's final mission in its own title as the entire Knight force engages in an all-out assault against the army seeking to overthrow the nation of Austanburg.