Aperyqhapaqにも勝つって書いてある。YaneuraOuの文字も(笑)

For the shogi match, one game was selected at random for each unique opening sequence of 25 plies (when AlphaZerowasblack)or10plies(whenAlphaZerowaswhite).
ってどういう意味だろう。なんの定跡?