I cannot really understand : economy is not an aim in itself. The authors want to show 4 switchbacks -moreover,…
If my (modest) understanding of series-mover is correct, then economy considerations ("Zeit-Ökonomie") have to be applied? So, what about shorter…
on point 1) : C is for "computer" not for "correct" C+ means computer tested, not more about "legality" or…
ad 1) C+: yes, I agree, this would be the intention of a C+ mark. After much testing I have…
Your suggestion of a white knight g5 is C+ and the position, with a white pawn g6 seems legal
ok... so 1) C+ means that a dedicated program (here : winchloe) found a solution, and only one, unless there…
Jacques Rotenberg: Yes, I read it. Unfortunately I misread it as "with WHITE pawns on e7 and f7 it is…
Walter Lindenthal, did you read my comment on july 6 ?
On further probing this issue the problem seems to be of a different kind as first assumed. At first here…
Let's contemplate it from a different perspective: Is there a specific need for wPg6? You don't need to cover a…