here is the Fen R-0,0,0,0-1,1,1,1-1,1,1,1-0,0,0,0-0-3,yR,yN,yB,yK,yQ,yB,yN,yR,3/3,yP,yP,yP,yP,yP,yP,yP,yP,3/5,yδ,yδ,yδ,yδ,5/bR,bP,4,yA,yA,4,gP,gR/bN,bP,10,gP,gN/bB,bP,bδ,2,yP,X,X,bP,2,gδ,gP,gB/bK,bP,bδ,bA,1,X,X,X,X,1,gA,gδ,gP,gQ/bQ,bP,bδ,bA,1,gP,X,X,rP,1,gA,gδ,gP,gK/bB,bP,bδ,8,gδ,gP,gB/bN,bP,10,gP,gN/bR,bP,4,rA,rA,4,gP,gR/5,rδ,rδ,rδ,rδ,5/3,rP,rP,rP,rP,rP,rP,rP,rP,3/3,rR,rN,rB,rQ,rK,rB,rN,rR,3
what
https://www.chess.com/club/4pc-custom-games
its a bit weird but nice
its too crowded
You can submit variant custom positions in this club:
Here is more information on how to do so:
https://www.chess.com/clubs/forum/view/how-to-submit-new-custom-positions
here is the Fen R-0,0,0,0-1,1,1,1-1,1,1,1-0,0,0,0-0-
3,yR,yN,yB,yK,yQ,yB,yN,yR,3/
3,yP,yP,yP,yP,yP,yP,yP,yP,3/
5,yδ,yδ,yδ,yδ,5/
bR,bP,4,yA,yA,4,gP,gR/
bN,bP,10,gP,gN/
bB,bP,bδ,2,yP,X,X,bP,2,gδ,gP,gB/
bK,bP,bδ,bA,1,X,X,X,X,1,gA,gδ,gP,gQ/
bQ,bP,bδ,bA,1,gP,X,X,rP,1,gA,gδ,gP,gK/
bB,bP,bδ,8,gδ,gP,gB/
bN,bP,10,gP,gN/
bR,bP,4,rA,rA,4,gP,gR/
5,rδ,rδ,rδ,rδ,5/
3,rP,rP,rP,rP,rP,rP,rP,rP,3/
3,rR,rN,rB,rQ,rK,rB,rN,rR,3