[Bug-XBoard] Incorrect castle status

[Michniewski Tomasz (Poland)]

Hello,

I'm using WinBoard 4.2.7. After browsing through all the moves from the enclosed game I saved the game in a fen file. Surprisingly I got:

1r2k2r/pp3ppp/1b6/2pRP3/P1P5/2B2nN1/5P1P/1R5K b k - 0 22

Please note that both sides moved their king, so the fen should not report "k" (black can castle into king side).

<<bug.zip>>
Pozdrawiam / Best regards
Tomasz Michniewski

bug.zip
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