//1) utility of player 1: ra*(P(toDest)-P(bad)) / rc*R(cost)
3*(P=?[F (s=5)] - P=? [ F (i=4|i=3)&(f=1)&(ii=1) ] )
/ R{1}=? [ F (s=5) ]

//2) utility of player 2
3*(P=?[F (s=5)] - P=? [ F (i=4|i=3)&(f=2)&(ii=2) ])
/ R{2}=? [ F (s=5) ]