[Retros] PRA & RS: Jurmala-2008 vs Piran-1958

Valery Liskovets liskov at im.bas-net.by
Fri Sep 19 05:30:21 EDT 2008

Joost de Heer wrote:

> Has anyone made a comparison between the previous article and the current

> one?

For comparison, we should now, apparently, stipulate not applying
the PRA-convention (Art.16.3) to ordinary helpmate problems
like the following: P.R. Orlik, 1978 [P0534191]
W: Ke1 Ra1 Rh1; B: Kg2 Rc2 Rg3 Sd4 Se4 (3+5) h#2 b) bKb3
a) 1.Rf2 0-0-0 2.Rgf3 Rdg1#; b) 1.Rgc3 0-0 2. Kb2 Rfb1#.

Valery L.

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