I thought I'd lose if the king was trapped—like some sort of stalemate—so I played through the game with that in mind. It might make for a fun variant.
I should add I didn't expect to find the rules in the Post-mortem, so I gave up on that after skimming through the page and jumped right into the game.
It's worth noting if the board is full this doesn't happen. This was helpful in my strategy because I could set up several pathways like I was playing checkers without fear of losing anything.
I should add I didn't expect to find the rules in the Post-mortem, so I gave up on that after skimming through the page and jumped right into the game.