Comic Title: Checkmate #30
Publisher: DC (DC Comics Inc.)
Address: 666 Fifth Avenue, New York, NY
Cover Date: August 1990
On Sale Date: June 26, 1990 Shipping Date June 26, 1990
Source: Previews, #16

Shipping Date June 26, 1990
Source: Amazing Heroes, #180

Direct Market Date June 28, 1990
Source: Comic Shop News, #153, #155

Shipping Date June 28, 1990
Source: Advance Comics, #18

Shipping Date May 29, 1990
Source: Previews, #15

Shipping Date May 29, 1990
Source: Amazing Heroes, #179

Shipping Date May 31, 1990
Source: Advance Comics, #17

Direct Market Date May 31, 1990
Source: Comic Shop News, #149

Copyright Date August 7, 1990
Source: Library of Congress, Copyright Office 1990

Frequency: Monthly
Cover Price: $1.50
Page Count: 32
Editor: Jonathan Peterson

Title: "Knight Beat"
Pages: 24

Feature(s):
Checkmate

Writer: Paul Kupperberg
Penciller: Steve Erwin
Inker: Michael Bair
Letterer: Johnnie Mac
Colorist: Julianna Ferriter

Feature Character(s)

• Checkmate (Walters named; last appearance in Checkmate #29; next appearance in Checkmate #31)
• Winston Churchill O'Donnell (last appearance in Checkmate #29; next appearance in Checkmate #31)
• Lionel Hawkins (last appearance in Checkmate #29; next appearance in Checkmate #31)
• Harry Stein (last appearance in Checkmate #29; next appearance in Checkmate #31)
• Mark Nagoya (a knight; name revealed in Checkmate #32; first appearance; next appearance in Checkmate #31)

Supporting Character(s)

• Sarge Steel (last appearance in Checkmate #29; next appearance in Checkmate #31)
• Valentina Vostok (last appearance in Checkmate #29; next appearance in Checkmate #32)
• Jack Wyznowski (last appearance in Checkmate #29; next appearance in Checkmate #31)

Villain(s)

• Bishop (last appearance in Checkmate #29; next appearance in Checkmate #33)
• Niles Dark (last appearance in Checkmate #29; next appearance in Checkmate #31)
• Andre Mazarin (last appearance in Checkmate #29; next appearance in Checkmate #32)
• Members of Cypher's operations (Mitch named; no further appearances)

Other Character(s)

• Wilhelm Van Deikker (an official from Austanburg; next appearance in Checkmate #31)
• McRaven (last appearance in Checkmate #29; next appearance in Checkmate #32)
• Members of a Senate committee (last appearance in Checkmate #29; no further appearances)
• A Soviet search team (Gregor named; no further appearances)
• Kurt and Hans (German security guards; both die in this story; no further appearances)
• Sato (a courier; no further appearances)
• Heinrich (Van Deikker's associate; no further appearances)

Comments:
This story is continued from Checkmate #29 and continues in Checkmate #31.

Synopsis:
Winston and Lionel battle Bishop in the streets following their meeting with Victor Cypher. Both are able to escape by hiding in the sewers. When then meet Jack Wyznowski at a safe house in New York, he pulls them off the mission. Both men decide to try to take down Bishop themselves starting by breaking into Cypher's office. Their presence is detected and armed soldiers are sent to confront them.

In Washington, Valentina Vostok informs Harry that Harvey Bullock's command of Checkmate has been disastrous.