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diff --git a/chess-gnuchess.el b/chess-gnuchess.el
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+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; Play against the gnuchess engine
+;;
+;; $Revision$
+
+(require 'chess-process)
+
+(defgroup chess-gnuchess nil
+  "Interface code for playing against gnuchess.  Uses `chess-process'."
+  :group 'chess)
+
+(defcustom chess-gnuchess-command "gnuchess"
+  "The name of the gnuchess program."
+  :type 'string
+  :group 'chess-gnuchess)
+
+;;;###autoload
+(defun chess-gnuchess (game)
+  (chess-process
+   game nil
+   (list (list (concat "My move is : \\(" chess-algebraic-regexp "\\)")
+	       (function
+		(lambda (move)
+		  (chess-game-move chess-process-game move nil))) 1)
+	 '("Illegal move:" (error "Illegal move")))
+   (if (file-name-absolute-p chess-gnuchess-command)
+       chess-gnuchess-command
+     (executable-find chess-gnuchess-command))))
+
+(provide 'chess-gnuchess)
+
+;;; chess-gnuchess.el ends here