Thanks. It's necessary to go to the 4x4x4 board instead of a 3x3x3 board, because the 3x3x3 board is a trivial first player win.
It has been proved that even the 4x4x4 game is a first player win, given optimal play. But I didn't know that before I went to search just now!
Qubic: 4x4x4 Tic-Tac-Toe,
Mathematics Magazine, 53(4):202--216, September 1980" by Oren Patashnik
Luckily there still isn't (as far as I know) an easy to follow optimal strategy.
Quote:
Originally Posted by jinlo
I was watching and I didn't see that 3D line either.
Interesting game.
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