681,682,683 are C+ Winchloe SL
Just magical !
Congratulations Pierre, you begin the year in good health with this beautiful Zilahi ! Best Sebastien
Wow! So many beautiful problems. Will take me at least some weeks to realise the wonderful themes ! Thanks authors…
I want to say a great thank you to M. Petkov and Julia for the serious and quickness in the…
Chapeau bas, René! Does anyone know which is the record of number of Invisible identities revealed in a chess composition?
Not at all a trivial problem, as usually with René's work. A fine gift in Christmas tree. Thank you, René!
It's nice to see why 5.exf8=Q(Ih5)+ doesn't work. Well done, Kostas!
I am agree, I prefer 673 to 672 Good job Cornell ! SL
Pretty problem, C+ also Winchloe SL