Checkers

pgn:
R-0,1,0,1-1,1,1,1-1,1,1,1-0,0,0,0-0-{'pawnBaseRank':0,'wb':true,'dim':'12x12','noCorners':true}-
x,x,x,x,x,x,x,x,x,x,x,x,x,x/
x,yW,yF,yW,yF,yW,yF,yW,yF,yW,yF,yW,yF,x/
x,X,X,X,X,X,X,X,X,X,X,X,X,x/
x,1,X,yγ,1,yγ,1,yγ,1,yγ,1,X,1,x/
x,1,X,1,yγ,1,yγ,1,yγ,1,yγ,X,1,x/
x,1,X,yγ,1,yγ,1,yγ,1,yγ,1,X,1,x/
x,1,X,8,X,1,x/
x,1,X,8,X,1,x/
x,1,X,1,rγ,1,rγ,1,rγ,1,rγ,X,1,x/
x,1,X,rγ,1,rγ,1,rγ,1,rγ,1,X,1,x/
x,1,X,1,rγ,1,rγ,1,rγ,1,rγ,X,1,x/
x,X,X,X,X,X,X,X,X,X,X,X,X,x/
x,rF,rW,rF,rW,rF,rW,rF,rW,rF,rW,rF,rW,x/
x,x,x,x,x,x,x,x,x,x,x,x,x,x

Custom position, The stalmated player loses, Pawn promotion 10th, Pawn promotion is Ferz.

Read the pinned threads please.