Ken, if black places both his bishops on the corner squares then he would have to choose a passive strategy in the centre, allowing white to place pawns there, as a black pawn on d5 or e5 would block one of his bishops, and it would take time to activate it. I am not so sure that double fianchetto is always so good. Bishops can also play an active role in the opening, by placing them on KB4, KN5, QB4, or QN5. Should white choose the positional strategy of placing the bishops on the corner squares, then, provided that black response is correct, I think he has forfeited his first move advantage. The bishops are very well placed on KB1 and QB1, where they can choose between a positional strategy (fianchetto) or a tactical (QB4), etc. The standard position seems to be the best, allowing for a maximum of strategical options, and we don't know which flank the king is to be placed on, etc. In this form of drop-chess with FischeRandom rules, I would suspect that both players will select the standard position, because it's probably the best alternative, for both parties. But this remains to be demonstrated. I have tried to tackle the problem in a different way, involving 'pawn relocation', in New Chess and Swedish Chess
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