🚀 go-pugleaf

HI,

there seems to be a nasty bug in gnuchess4.0p65 (also in p64).
When undo-ing a move after 'o-o' in the following position the
strange thing happens, just see:


--- begin of example ---

Enter #moves #minutes: 1 1

White 1:00  Black 1:00

 R N B Q K B N R
 P P P P P P P P
 - - - - - - - -
 - - - - - - - -
 - - - - - - - -
 - - - - - - - -
 p p p p p p p p
 r n b q k b n r

Book used 321762 of 2000000.

Your move is? get
Enter file name: 
testit


White 44:33  Black 44:32

 R N B Q K - - R
 P P P - P P B P
 - - - P - N P -
 - - - - - - - -
 - - p - - - - -
 - - - - - n p -
 p p - p p p b p
 r n b q - r k -


Your move is? moves

 White score   depth  nodes  time    Black score   depth  nodes  time
 c2c4      0      0       0    10    g8f6      0      0       0     1   
 g1f3      0      0       0     2    g7g6      0      0       0     2   
 g2g3      0      0       0     2    f8g7      0      0       0    14   
 f1g2      0      0       0    12    d7d6      0      0       0     3   
  o-o      0      0       0     5   


Your move is? undo

White 44:33  Black 44:32

 R N B Q - -   R
 P P P - P P B P
 - - - P - N P -
 - - - - - - - -
 - - p - - - - -
 - - - - - n p -
 p p - p p p b p
 r n b q - r k -

Your move is? 

--- end of example ---

Have a close look to the 8th row. This can't be normal, isn't it ?
I haven't found a fix yet, mayB someone can tell me why this happens ?

 Regards, Pat !

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