11 is cooked. Returning to the 10 problem. Sorry.
On No.675 (RJM)
Amending that to 11 Black Invisibles (remove Black King). Same solution.
On No.675 (RJM)
Just checking with the rules experts, is Black allowed to play 1.Kb2 (self-check in the visible realm), which establishes at…
On
If anyone is ever to write a treatise on the combined elements of Neutrals+BTB, this example should go in there.…
On No.757 (GF)
I wonder if somebody has done something like this already, though: 8/8/8/8/7R/2P2P1s/5K2/5R1k, =1, 10 Black Invisibles. Solution (if I can…
On No.675 (RJM)
Very good modification ! Congratulations M.Shapiro ! SL
On No.756 (MS)
Very nice
On No.757 (GF)
Up to now I have seen only four Invisibles problems. Two on JF, this one No.675, No.739 and the two…
On No.675 (RJM)
Supreme elegance, bravo! How might it be called, a "BTB+anti-BTB selfcheck-incarceration"? BTB effect determines whereto nQ might move but then,…
On No.757 (GF)
Each one of the two examples has one very poor solution, where only White moves the Neutrals and everything is…
On No.753 (JV)
