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Subject: Re: WHERE is the Bug ? Hiarcs9 or fitz8 GUI ?

Author: George Tsavdaris

Date: 13:42:57 12/04/03

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On December 04, 2003 at 16:01:26, Claude Le Page wrote:

> I was performing analysis of Bronstein gambit
> 1 e4 e5 2 Bc4 Bc5 3 Qg4 d5 4 Qxg7 Qh4 5 Qxh8 Qxf2+ 6 Kd1 Qxg2 with hiarcs9 and
>fritz8 GUI : it went: 7 Qxe5+ Ne7 8 Qh8+ Kd7 9 d4 Qxh1 10 Qg7 dxc4 11 dxc5 Kc6
>12 Nd2 Na6 13 Ndf3 Be6 14 Ne5+ Kxe5 15 Be3+ Kd6 16 Qg3 Rg8 17 Ng4+ Kc6
> 18 Ne5+ Kd6 19 Ng4+ Kc6 20 Ne5+ Kd6......
>And now in place of the expected 21 Ng4+ and draw by 3-fold repetition
>    I can se on the screen:
>   21 -- and no move is made , but it is passed to Black which play
>21...RxQg3??!!??!!
>now , I wonder to WHAT this bug is DUE :
>    The engine : hiarcs9
>    Or the GUI : fritz8
> Who can tell me ??
>Friendly Yours
>Claude Le Page

Of course the 14th move for black is 14...Kxc5 and not Kxe5.
But no problem for me, with Fritz 8 GUI with the update of November.
After 20...Kd6 the GUI announces a threefold repetition and draws the game.
After 20...Kd6 and in analyse mode, Fritz 8 analyses the game and thinks about
playing 21.Ng4+, while Hiarcs 9 don't think at all.



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