Shen Guoson (7 dan) writes in his book, Beauty and The Beast,

The ancient Chinese masters historically stressed the opening. It’s a pity that in ancient go they did not abolish “placement;” that is, placing two stones of each color on the board [on diagonally opposite star points] prior to starting the game. This practice limited variations in the corner, which in turn limited variations in the opening.

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Fujisawa Hideyuki, “Shuko” is not often cited among the very
best go players. But he was among the top players for over 3
generations of go professionals and played a number of matches
with most of them. Sort of a mandatory stop along the career
path. But that’s not why I’ve compiled this – I just like the
moves he found.

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