One of Moorcock’s first fantasy stories — those of Sojan the Swordsman, which appeared in Tarzan Adventures in 1957/’58 — ‘“Checkmate!”’ concluded a three-part adventure (later) known collectively as “Sojan, Swordsman Of Zylor”.
First appearance: Tarzan Adventures Vol. 7 No. 39
London: Westworld comic, 1957 (December 28th);
edited by Michael Moorcock;
price: 6d;
28 pages;
I.S.S.N.: none;
cover artist: Burne Hogarth.
First collected appearance: Sojan
Manchester: Savoy, 1977 (September 29th) trade-sized paperback (q.v.);
edited by David Britton (uncredited);
original price: 80p (unpriced in some copies; see below*);
157 pages;
I.S.B.N.: 0-7045-0241-0 (see below*);
cover artist: Jim Cawthorn (also interior);
introduction by Michael Butterworth (uncredited).
* Some copies have a variant I.S.B.N. — 0-352-33000-7 (attributable to Wyndham [the book’s distributor]) — printed on the inside back cover; these copies also carry the 80p price.

Other appearances:-

London: New English Library, 1984 (May 10th) hardcover (q.v.);
sub-titled “Fantasy Stories”;
original price: £7·95;
175 pages;
I.S.B.N.: 0-450-06047-0;
cover artist: Chris Achilléos;
illustrated by J. Cawthorn & R. Lumley (map);
‘“Checkmate!”’ (untitled, as part of ‘The Hordes Attack’, itself a part of “Sojan The Swordsman”): pp. 99/100.

Redmond, WA: Paizo/Planet Stories, 2010 (November) trade-sized paperback (q.v.);
a “Planet Stories Double Feature” combined with Under The Warrior Star by Joe R. Lansdale;
original price: $15·99;
176 pages;
I.S.B.N.: 978-1-60125-288-3;
cover artist: Kieran Yanner;
introduction by Erik Mona;
illustrated by James Cawthorn & Claudio Casini;
“Checkmate!”’ (as Chapter Eleven: ‘A Warrior’s Justice’): p. 49.

London: Gollancz/Gateway, 2013 (April 11th) e-book (q.v.);
part of the Michael Moorcock Collection (one of five electronic-only titles in the series);
edited by John Davey;
original price: £2·99;
I.S.B.N.: 978-0-575-07890-1;
illustrated by James Cawthorn (combining Sojan 1st-ed. [1977] artwork together with artwork from Tarzan Adventures, not seen since in 1957/’58).
Foreign (i.e. non-English language) appearances:-
Elric At The End Of Time as Elric À La Fin Des Temps, France (1994).
Also in Пес Войны И Боль Мира, Russia (1999); Летающие Кочевники, Russia (2001); Le Cycle Du Guerrier De Mars, France (2008); Elric Intégrale 3, France (2015).

