twin add black pawn ? h5 does not work
want to add a black pawn
how I add a piece to a problem?
A small correction: the royal rookhoppers are on e3+b5 (not a6+h8).
Thanks for your kind words, Jacques. The composition is trying to have a third Black move but there is no…
very well done Andrew! I missed it! The "free" king is a nice feature! Perhaps possible even with 9 ?…
This is very nice with more mobility for the white pawns. I would anytime prefer this version, but Jacques has…
Beautiful idea, Jacques. Here's a 10-piece version, which you probably considered: 4brnb/1pK2PP1/4r1k1/8/8/8/8/8 h#2 Both mates are models, but the promotion…
Well done Georgy, but the fact that the mates are no more models, to my mind, it is too high…
As Seetharaman mentions en-passant: The condition Köko is obviously missing.