That is what this is. White and Black get different back ranks. Every one of the 960 setups plays every other one, with both colors. So 921,600 games, and each

That is what this is. White and Black get different back ranks. Every one of the 960 setups plays every other one, with both colors. So 921,600 games, and each single game is a double random position. Classical is 562nd of 960 by score so far. The article did not make that clear, which is on me.