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Betza notation (extended). The powerful XBetza extension to Betza's funny notation.[All Comments] [Add Comment or Rating]
Bob Greenwade wrote on Fri, Mar 1 03:30 PM UTC in reply to H. G. Muller from 08:00 AM:

yafsR should be no problem (yafscabyaifzR).

I had no idea that the i could be that far separated from the long move it's supposed to imitate.

Look out; here comes the Boomerang!

y(a)5K is not valid XBetza (as it includes yK), but I suppose you mean some kind of area move. If there is more than a left-right choice it is indeed not possible to retrace the path using q and z. This could also be solved by a new directional modifier that would do what i does for the range of a continuation leg: mimic a previous deflection.

I realized that it was invalid when I reread it a bit ago. It should've been ya(a)4K -- a King move, followed by one to five Queen moves (that's a simplified version of what the piece I had in mind would do; each leg would be a p, and the end a c -- I just didn't want to mess with calculating that aspect of it).

Well, you unload something that disappeared elsewhere. And if p' means friendly hopping, it seems natural to make u' mean friendly unload, i.e. that you don't unload the captured piece, but the moving one.

That's quite logical and reasonable. Still not "obvious," since p' isn't actually implemented yet, but it definitely makes more sense now than my suggestion of an exclamation point.

I don't get that. A moving piece would always have to follow the entire trajectory; that is the basis of XBetza  notation. So how could it end up anywhere else than at the end?

Take the Drive-By sliders that I posted very recently as a starting example: they move normally, but do sideways a rifle capture  somewhere along the path. Now imagine that, instead of a one-space capture, it went up to five spaces, turned 45°, and went up to three more spaces, and then optionally makes another 45° turn for up to 2 spaces, calling for u' and a~. to trace the rifle capture. The piece moves, makes the "magic bullet" rifle capture, and then continues moving.

Like I said, a rare enough occurrance to make it low-priority, but probable enough to make it an eventual reality.

Also, on the topic of just the u', the Lariat in Zwangkrieg isn't working as intended (I can explain again next week in a Comment on the game's page if need be), and this could work well in helping fix the problem.