diff -urN crafty.orig/chess.h crafty-18.9/chess.h
--- crafty.orig/chess.h	2001-07-26 16:58:01.000000000 +0200
+++ crafty-18.9/chess.h	2003-11-20 17:22:36.000000000 +0100
@@ -190,13 +190,13 @@
 #  endif
 #else
 #  if !defined(BOOKDIR)
-#    define     BOOKDIR        "."
+#    define     BOOKDIR        "/usr/lib/games/crafty"
 #  endif
 #  if !defined(LOGDIR)
 #    define      LOGDIR        "."
 #  endif
 #  if !defined(TBDIR)
-#    define       TBDIR     "./TB"
+#    define       TBDIR     "/usr/games/lib/crafty/TB"
 #  endif
 #  if !defined(RCDIR)
 #    define       RCDIR        "."