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MatPlus.Net Forum Fairies Super-Circe Equipollents
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(1) Posted by Kevin Begley [Tuesday, May 4, 2010 09:02]; edited by Kevin Begley [10-05-04]

Super-Circe Equipollents

In speaking about super-circe variations (from another thread), I thought I'd show a funny idea I had some time back...

K.Begley (original)
(= 14+14 )

PG10.5 Super-Circe Equipollents

Super-Circe Equipollents = Circe Equipollents + Anticirce Equipollents (of course).

But, wait ... there is a problem resolving rebirths when these two conditions are combined.
Both units, in fact, would share the same rebirth square!

Thus, I define the condition to give rebirth preference (when necessary) to the capturing unit.
OK, but then how is it any different from simply Anticirce-Equipollents??
Because, there is one special case where they do not share the same rebirth. :-)

My intent: 1.e4 g5 2.e5 f5 3.exf6 e.p.(+wPg7,+bPg6)! Sf6 4.g8=S! Bg7 5.Sxe7(Sc6) bxc6(d5) 6.b4 d4 7.c4 dxc3 e.p.(+bPb2,+wPb3)! 8.Sc3 b1=S! 9.Bb2 Sxd2(Sf3) 10.Qxf3(Qh5) 0-0! 11.0-0-0!

Doubled (Valladao + Ceriani-Frolkin).
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(2) Posted by Juraj Lörinc [Tuesday, May 4, 2010 13:58]


The only small reservation I have concerns the name of the conditions combination. In the Circe family, a word "Super" seems to be used for forms allowing quite free placement of the reborn pieces. In you case the rebirths are constrained, precisely defined, not freedom.
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(3) Posted by Kevin Begley [Tuesday, May 4, 2010 21:13]

Well, if memory serves.

Super-Andernach = Andernach + Anti-Andernach.

But, you are correct. In the circe family this has a different meaning.
The name should change... except that there is perhaps limited potential here (maybe it deserves no special name).
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(4) Posted by Bojan Basic [Tuesday, May 4, 2010 21:35]

except that there is perhaps limited potential here

Interesting effect could probably be achieved using locusts, too.
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(5) Posted by Joost de Heer [Tuesday, May 4, 2010 22:07]

Kamikaze circe equipollents? [In kamikaze, both captured and capturee disappear, transforming that to circe equipollents: both captured and capturee are reborn according to the equipollents rule]
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(6) Posted by Ian Shanahan [Friday, May 7, 2010 05:20]

@Kevin. Anti-Andernach + Andernach = Magic Board!

I'm pretty sure it was John Rice who came up with the idea of combining Andernach with its opposite, as well as the name "Super-Andernach". But I told him on the phone shortly after this appeared in "The Problemist Supplement" that precisely these rules already existed as "Magic Board" (i.e. whenever a piece moves or captures, it changes colour) - it was invented by several Brazilian problemists sometime during the early 1960s.
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(7) Posted by Kevin Begley [Saturday, May 8, 2010 04:59]


Thank you for the information.
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MatPlus.Net Forum Fairies Super-Circe Equipollents