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.
The version 1261.2 seems to have a dual at the end in both sub-variations: 18.Bc5-d4 instead of 18.Bg7-d4 and 18.Bf6-d4,…
Dear Jacques, very nice construction in 11 pieces ! If you want to add my name to the position, it…
in fact, it is possible even in 11 White : Kc7 Pf7g7 Black : Kg6 Qe8 Rf8e6 Bh8h7 Pb7h6
You are right Sebastien, there is a way to build it in 12, and to keep the pawns on the…
Some fairy condition is missing.