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Subject: Re: Entering Moves via Keyboard [Blindfold Chess]

Author: Bob Durrett

Date: 07:20:44 04/06/04

Go up one level in this thread


On April 06, 2004 at 04:21:35, Peter Berger wrote:

>On April 06, 2004 at 03:59:25, Peter Berger wrote:
>
>>On April 06, 2004 at 03:43:55, Uri Blass wrote:
>>
>>>On April 06, 2004 at 03:11:28, Peter Berger wrote:
>>>
>>>>On April 05, 2004 at 23:13:55, Bob Durrett wrote:
>>>>
>>>>>
>>>>>I have been trying to enter moves into Fritz 8 using the keyboard [so I can play
>>>>>myself a blindfold game] but cannot figure out how to make the beast capture
>>>>>White's bishop on c6 with Black's queen pawn in the Ruy Lopez Exchange
>>>>>Variation.  Every time I enter "d" Black's king's bishop leaps to d6.  The Fritz
>>>>>online help does not help at all.
>>>>>
>>>>>If anybody knows the "trick" I would be very appreciative if you would tell me
>>>>>what it is.
>>>>>
>>>>>
>>>>>1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6  [and not 4...Bd6].
>>>>>
>>>>>Bob D.
>>>>
>>>>That's cute, and I am afraid probably no one will be able to help - it looks
>>>>very much like a bug.
>>>>
>>>>The Fritz GUI is smart and in case only one move is possible to a line pressing
>>>>the first letter is enough -> Bd6 . I guess whoever wrote this function just
>>>>forgot about the pawn's ability to leave its own line even when pinned.
>>>>
>>>>Peter
>>>
>>>I tried big D but it did not help
>>>
>>>D7 is translated to Qe7
>>>
>>>I do not think that the pin is the problem because the gui cannot know that
>>>black does not plan to move the queen that is also at the D file.
>>>
>>>Bd6 is the only move to the d file but It is clearly not logical to play to the
>>>d file only because the user started with d.
>>>
>>>Uri
>>
>>The pin is clearly relevant.
>>
>>r1bqkbnr/1ppp1ppp/p1N5/4p3/4P3/5N2/PPPP1PPP/R1BQK2R b KQkq - 0 1
>>
>>If you type "d" in this position the Fritz GUI knows that it can't just move the
>>bishop to d6, as the pawn isn't pinned by the knight.
>>
>>And if you type dxc it also knows that it should take the pawn on c6 with its
>>d-pawn.
>>
>>You found another potential bug here actually - if you type d7 (upper or lower
>>case doesn't matter) it will move its queen to e7 - clearly there is a natural
>>conflict with its support for both its own very short and the long notation form
>>here, which makes me guess that entering moves by keyboard is just an ancient
>>feature, that isn't really supported anymore.
>>
>>Peter
>
>Just for fun:
>
>[D]r1bqkbnr/1ppp1ppp/p1NB4/4p3/4P3/5N2/PPPP1PPP/R1BQK2R b KQkq - 0 1
>
>type d here -> nothing happens
>dxc ->takes the knight
>d7 -> moves queen to e7
>
>[D]r1bqkbnr/1ppp1ppp/p1B5/3Rp3/4P3/5N2/PPPP1PPP/2BQK2R b Kkq - 0 1
>
>d -> Bd6
>
>
>[D]r1bqkbnr/1ppp1ppp/p1BR4/4p3/4P3/5N2/PPPP1PPP/2BQK2R b Kkq - 0 1
>
>d -> nothing happens!

"nothing happens" is logical here since there are two moves satisfying "d" so
the computer needs additional information to determine which move is intended.

Bob D.


>d7 -> Qe7



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