From: "'YAMADA Teiichi'" <YAMADA_TEIICHI <at> TANDEM <dot> CO <dot> JP>
Date: 9 sep 1997
Subject: FWD: Re: Another quick question:

Hello Kai-san,

>My suggested shortest shogi game is in 6 moves as follows:
>P7f P3d K6h B8h+ G4i-5h (or R5h) B*9e
>and white wins.

Well, yes, this one may be the shortest. But this one is always
controversial with defencive moves such as P8f and N7g, as you
pointed. According to widely accepted understanding, this is
NOT the shortest because this is not a tsume shogi and the
"helpless" moves should be counted.

Regards,
Teiichi Yamada, the ISPS