digraph G {
    S, E [shape=point];

    S -> begin_game -> begin_headers -> header;
    header [shape=record,label="header|"];
    header -> header -> end_headers;

    end_headers -> end_game [label="Skip(true)",style=dotted];
    end_headers -> moves [label="Skip(false)"];

    moves [shape=record,label="san|nag|comment|outcome|<ral> begin_variation|<rar>end_variation|"];
    moves:ral -> moves:rar [taillabel="Skip(true)",style="dotted"];
    moves -> moves;

    moves -> end_game -> E;
}