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H. G. Muller wrote on 2013-03-18 UTC
In Shogi there is a similar rule, that you cannot mate by dropping a pawn. This was quite easy to implement in my Shogi engine, by reversing the result of a detected checkmate when the previous move was a Pawn drop. So it was not treated as illegal, but just losing to do it. (Which is basically the way engines treat exposing your own King to check as well.)

It seems that most of the cases described for Shatar could be solved by this method too. The only difference is that it might have to look somewhat further back along the branch, to see if there was a shak.

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