In twin (b), the “obvious” contradiction is the subject of controversy. We don't know if we think well. That's why…
On No.1684 (JC&BM)
Perfect wording! We think so too. Just an add-on: Of course, it is arguable that if an illegal piece (h8bB)…
On No.1684 (JC&BM)
Illegal move cannot be assumed! Illegal moves must be proven!
On No.1684 (JC&BM)
Béa, there are three versions of this problem: №1 Retro. Board-orientation problem. 8/8/1K1kp3/8/8/8/1p4P1/b6b (diagram with discolored margins). Paint the board.…
On No.1684 (JC&BM)
This is a remarkable find, using the good old Grasshoppers. I have seen similar problems before, but this one seems…
On No.1689 (VK)
I agree that the logic of the composers is what you describe but the problem of the problem is what…
On No.1684 (JC&BM)
Thank you very much Vaclav for the dedicate ! Maybe you are...an X-Man ?? 🤖
On No.1689 (VK)
Pg7 can't be a shadow, it's in its original place! The point is, if we replace an illegal piece with…
On No.1684 (JC&BM)
In my opinion, the illegal piece could not get to the position with a regular step from its original position.…
On No.1684 (JC&BM)
Thanks for your reply!
On No.1684 (JC&BM)