From: Eric macshogi com>
Date: 30 jan 2007
Subject: Re: First draft of the Universal Shogi Interface (USI)
Hello,
> On 1/26/07, Jeroen J.-W. Tiggelman xs4all nl> wrote:
>>
>> Tord Romstad wrote:
>> > *fat bold cyclop* gmail com> wrote:
>> > > I think the only flaw of it is, I think, it insufficient for
>> > > storing positions with more than 9 pieces in hand.
>> > In my opinion, this is a rather serious problem.
>>
>> Just use A, B, C, ..., H for 10 through 18.
>>
>> Using A through F for 10 to 16 is pretty standard (hexadecimal).
>> This particular extension seems rather obvious.
I have implemened a FEN notation in MacShogi 2 years ago, but I don't=20=
=20
have added the GUI part to use it yet.
I first have chosen the hexadecimal option to store the number of=20=20
pawns in hand but finally, I have preferred to use only digits.
The algorithm is pretty simple for pawns : the pieces in hand part in=20=
=20
the notation has 7 digits in all, one digit for each piece type,=20=20
except for the pawn where 2 digits can be used. So, if the string=20=20
contains 8 digits, the pawn number uses 2 digits, otherwise only one=20=20
digit is used for the number of pawn pieces.
It works well. But this is only a matter of personnal choice.
Best shogi wishes,
=C9ric
----------------
Study Shogi and read shogi reportages at http://eric.macshogi.com/
The first Mac OS X Shogi Database Program at http://www.macshogi.com/
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