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MatPlus.Net Forum Fairies Fairy Equal Last Move

### Fairy Equal Last Move

(= 4+2 )

SH, Original
Equal Last Move?
Rex Multiplex

Of course it's possible to show this with less pieces (I got 4 with wKa8 Rb2 Bb1 bKa1, and Rex Multiplex)

I do not understand the stipulation. What exactly means "Equal Last Move?"? I know "Last move?", but this seems to be something different.

Equal last move means there's only one (determinable) same kind of movement for both sides.

Look here:
wKf1 Pg3, bKh1 Ph2
Equal Last Move?

Since black couldn't have moved his king, his last move is a pawn move. Now since black moved a pawn, white also moved a pawn and the equal last move is P- (single step by a pawn)

Sometimes there is some retroanalytical content, but often it's just the last move of one of the sides.

You can find a complete list at http://www.pairlist.net/pipermail/retros/2007-June/002026.html (but from June 2007). Maybe looking through some problems will help understanding the stipulation.

PS (also as a reply to below): The stipulation is fairly new, I think. It may have come up in 2006. I also can't establish the fairy/fairly joke I wanted to in the last sentence...

(4) Posted by Juraj Lörinc [Monday, Oct 22, 2007 18:03]

All right then, it seems my knowledge is a bit outdated now, I should update it as soon as possible, then the solution seems to be clear given that there is only one possible black last move.

MatPlus.Net Forum Fairies Fairy Equal Last Move