An older guy is playing chess with a young boy.
An old man is playing chess with a boy.
"Old man is playing chess" is a rephrasing of "older guy is playing chess," and "young boy" is going to be a "boy."
exists e1 s1 s2 x1 x2 x3.(with(e1,x3) & n_boy(x3) & a_young(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_chess(x2) & n_guy(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(with(e1,x3) & n_boy(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_chess(x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))