For Julia, diag ser-#10 of C.Feather is n°720 not 719! SL
Kjell, thanks for showing Branko and Hans' fine problem! I don't think that this is possible to achieve with just…
There are six different ways of picking two pieces out of the four QRBS, so one could imagine having all…
Juraj, apparently I did not read carefully your text of Rehm's example. It is indeed possible to replace the two…
It would certainly be good to see Popeye (and WinChloe, for that matter) handle retractors in the future! I heard…
Great Cornel! Is it a computer-helped problem or did you searched at hand every possibility of twin? Do you know…
I generally agree to Kostas, and I especially appreciate what he writes about the 2 black bishops on white squares…
Sorry. I mistook your comment as about possible promoted queens using 8 pawns ! 🙂
Dear Nicolas, you are a night-owl, aren't you? I used to enjoy staying up late, too. I apologize, but I…
I already provided 2 reasons for using a Queen instead of a Rook on square c8 - better homogeneity between…