I see a cook in 13 with duals: 1.rPxa1=B 2.Qxd7, and now black series 1.sPa2 2.sPb1=G 3.Kg6 4.Gc6 5.Gh6 6.Sb6…
On No.802 (KG)
I don't see a point. Mathematics was build on "try-concepts" which had some logical motivation and at least a "primitive"…
On No.806 (KG)
It looks as a mess. Dummy is considered as a kind of a Pawn without having the mentioned promoting property…
On No.806 (KG)
So do I understand this correctly? W3 in every solution is a check, but it needs BK to move to…
On No.807 (PAP)
Beautiful problem! I like the andernach-disparate combination enabling nice zugzwang mates from the black king. IF white king had no…
On No.807 (PAP)
Thanks Geoff. I see your point. After all the definition says "as if moving from its rebirth square". So its…
On No.805 (MG)
The full move is 2.nSc7-b8-d7=nP(+nSf6). The starting square is c7 (not b8), so the rebirth square is correct.
On No.805 (MG)
I have a question. In the first solution the move 2.nSc7-d7 according to Phantom Chess is actually a move of…
On No.805 (MG)
White and black switchback is charming probably justifying this format when compared to the S# predecessors cited.
On No.804 (AO)
Nice idea of triple pinning but... Not only wRd2 is hardly justified, or the black Dummy for just to be…
On No.806 (KG)
