digraph Syzygy {
  KRBBvKQ -> KRBBvK;
  KRBBvKQ -> KBBvKQ;
  KRBBvKQ -> KRBvKQ;
  KRBvKQ -> KRBvK;
  KRBvKQ -> KQvKB;
  KRBvKQ -> KQvKR;
  KQvKR -> KRvK;
  KQvKR -> KQvK;
  KQvKB -> KBvK;
  KQvKB -> KQvK;
  KRBvK -> KBvK;
  KRBvK -> KRvK;
  KBBvKQ -> KBBvK;
  KBBvKQ -> KQvKB;
  KBBvK -> KBvK;
  KRBBvK -> KBBvK;
  KRBBvK -> KRBvK;
}