No, please look at this Madrasi logic (that is quite extraordinary...) in the simple example in PDB P1235849. After 2.b4…
Maybe, f7-f5 was played a move earlier and so Sb7-a5 is legal))
The move Sb7-a5 would not have been a legal move for Black in the position with wKe4 because in that…
Still I do not understand. Some position is proved to be legal only if the last move was f7-f5. Why…
Yes, I think that Nikola and Kostas came to the right conclusion. The main point is that in consequent seriesmovers…
Georgy, it is all about the Consequent stipulation: The legality of the position is determined after every move. This means,…
This is a nice consequent problem and it seems perfectly clear to me. The wK cannot move on the square…
I think there is some mistake here. Let's start with position W: Kd4 Pd5 - B: Pe7 Black play 1...e7-e5.…
Dear Ivan, thank you very much for your patience. My speculations were confusing and what is important - wrong. I…
Dear Nikola, my English isn't so good to understand all you wrote. Similarly I don't know how precisely answer your…