This is another little jewel by Nicolas. By the way, he made a collection of such pgs (with Leffie condition)…
the brackets after the two first mates should read: [2...Qxd3? >a6>a8>c6]*
Two nice piece shuffles, with chameleon echo of an "impossible" double-check mate! The only way to improve the problem would…
demolition mode in the recently released Jacobi 0.7.4, by François Labelle, allows to find a cook : 1.Sc3 b6 2.e3…
It's about the principle as I see it. Of course, there are different views, but some common reasonable agreement is…
So far, everyone took for granted that a king cannot disappear in the course of a game, but is it…
A 'joke problem' provokes solver to guess/recreate the AUTHOR'S rules. But the fundamental essence of a regular chess problem is…
In the first two moves the wK and the front piece of the black battery move into position. The route…
I find it perfectly possible to interpret the stipulation such that the position arose in a game from SOME starting…
These extraordinary times fake making sense out of nonsense 🙁 'few moves backwards'?? Supposedly 'legal play' ending in an illegal…