Author: Peter Kasinski
Date: 08:15:16 06/11/99
Go up one level in this thread
On June 10, 1999 at 17:07:16, Milton Zucker wrote: >On June 10, 1999 at 16:06:55, Pat King wrote: > >>On June 10, 1999 at 00:23:55, Milton Zucker wrote: >> >>>Are there situations where >>>underpromotion is the only legal move; and if so, does Junior do something >>>illegal? >>> >>>...Milton Zucker... >> >>What makes a move illegal (assuming we know how the horsey moves, etc)? >>Putting/leaving your king in check... which the pawn MOVE could affect, but not >>the pawn PROMOTION. Therefore, if it's a legal pawn move, it's legal to promote >>to any piece. I think. > >We agree. But any piece includes a queen. I was taking issue with KarensDad's >statement that by not having code for underpromotion, Junior was not playing >real chess. Karensdad claimed that it is playing a variant of chess. I disagree >with this. So long as Junior makes legal chess moves, and allows ME to make >legal chess moves (including allowing me to underpromote pawns, if I choose to >do so) then it is playing real chess. > >...Milton Zucker... I agree. Not underpromoting isn't actually very different from never playing 1. e2-e4. In both cases a player chooses to exclude a possible alternative - which is perfectly legal to do. PK
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