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

[Valery Liskovets]

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.