diff -r 0cedda2544da -r 02c509a44e98 src/chess/rules.h
--- a/src/chess/rules.h	Wed Jun 11 15:38:01 2014 +0200
+++ b/src/chess/rules.h	Wed Jun 11 16:54:20 2014 +0200
@@ -90,6 +90,7 @@
     uint8_t capture;
     struct movetimeval timestamp;
     struct movetimeval movetime;
+    char string[8];
 } Move;
 
 typedef struct MoveList MoveList;
@@ -140,6 +141,10 @@
 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED)
 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED)
 
+/**
+ * Cleans up a game state and frees the memory for the movement list.
+ * @param gamestate the game state to clean up
+ */
 void gamestate_cleanup(GameState *gamestate);
 
 /**