Hi Graham,
sorry for the late answer. But I was "on the way" the last days. Now I tested again some games with LucasChess on my Rev II.

- connection to the Rev II needs about 1 minute, while on my Certabo board it needs just a couple of seconds

- the display of the Rev II shows time and moves correct, if I play without time control, a brace {} shows, which side is on the move

- take back works also fine without need of pushing a button in the software

- today I had a little problem with the detection of the pieces, that's absolutely new for me on the Rev II. Up to now the piece detection worked great, no matter, which modus I used: the internal engines, the Retroemulation or the BT-modus with Picochess or with Fritz on the Windows-PC. I never had problems until now. But with LucasChess using your driver, sometimes it works not correct, so sometimes it doesn't detect the move and I have to repeat the move again (put the piece back and move again), And just now I wanted to start a new game and the driver said "pieces are not correct", so I had to place every pieces again new on its place, than it worked fine again

so, in principle it works fine, but the piece detection has sometimes a little problem

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Gruß Tobias