Title text:
The draw-by-repetition rule does a good job of keeping players from sliding a tile back and forth repeatedly, but the tiles definitely introduce some weird en passant and castling edge cases.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3139/
Maybe instead of starting with a hole, one player gets to choose which 2x2 to remove? It would have to be early on to ensure there is always a few empty 2x2s to choose from.
So maybe black chooses the 2x2 to remove and then white makes their first move. That way black gets a bit of an advantage since white moves first.