++BUG++ Winboard Computer Chess (fwd)

[Tim Mann]

I received the following bug reports from someone who was using the unmodified 
GNU Chess 5.02 that I compiled with cygwin and included in the WinBoard 4.2.4 
release.  I hope there's enough information in here to help.  You could write 
the user and ask him if you have questions, though I doubt he'll have much 
more info.

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Date: Wed, 12 Dec 2001 12:26:21 +1000
From: John Kennedy <address@hidden>
Subject: ++BUG++ Winboard Computer Chess
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Hi TIM,

Ok here is the bug... I can move the white king infront of black piece 
and black piece takes king. Then continues playing trying hard to win 
game slowly taking other pieces... Weird but Fun!

Thanks
John

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Date: Fri, 14 Dec 2001 09:59:04 +1000
From: John Kennedy <address@hidden>
Subject: Re: ++BUG++ Winboard Computer Chess
To: Tim Mann <address@hidden>
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GNU 5.02 takes the king and then plays on.

- ----- Original Message -----
From: Tim Mann <address@hidden>
Date: Thursday, December 13, 2001 2:08 pm
Subject: Re: ++BUG++ Winboard Computer Chess

> You didn't answer my question about which engine you were using; I'd
> like to know.  With TestLegality off, GNU Chess 4 should still reject
> your move (it does its own test and tells winboard the move is
> illegal), while GNU Chess 5 apparently ignores the move with no
> message, which means it hangs forever waiting for a different move
> that won't come.  Neither one should take the king and play on, as far
> as I know.
> 
> 

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Date: Fri, 14 Dec 2001 10:11:34 +1000
From: John Kennedy <address@hidden>
Subject: Re: ++BUG++ Winboard Computer Chess
To: Tim Mann <address@hidden>
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Tim While testing gnu 5 the following problem occurred:

Follow game and see.

[Event "Computer chess game"]
[Site "TORPEDO"]
[Date "2001.12.14"]
[Round "-"]
[White "jkennedy"]
[Black "GNU Chess v5.02"]
[Result "*"]
[TimeControl "40/180"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Nc3 d6 7. Nd5 
Nxd5
8. exd5 Na5 9. Bb5 c6 10. dxc6 Nxc6 11. Bxc6 bxc6 12. d4 e4 13. Nd2 d5 
14.
c4 Bh4 15. cxd5 cxd5 16. Nb3 Ba6 17. Re1 Qf6 18. Be3 Bc4 19. Nc5 Qf5 
20. b3
Bb5 21. a4 Bd7 22. Nxd7 Qxd7 23. Bf4 Rac8 24. Rf1 Qf5 25. Be3 Rc3 26. 
Qe2
Rb8 27. Rab1 Rcxb3 28. Rxb3 Rxb3 29. f3 exf3 30. f3xf1=Q
*
Not bad... for black

- ----- Original Message -----
From: Tim Mann <address@hidden>
Date: Thursday, December 13, 2001 2:08 pm
Subject: Re: ++BUG++ Winboard Computer Chess

> You didn't answer my question about which engine you were using; I'd
> like to know.  With TestLegality off, GNU Chess 4 should still reject
> your move (it does its own test and tells winboard the move is
> illegal), while GNU Chess 5 apparently ignores the move with no
> message, which means it hangs forever waiting for a different move
> that won't come.  Neither one should take the king and play on, as far
> as I know.
> 
> 

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-- 
Tim Mann  address@hidden  http://www.tim-mann.org/