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A puzzle that asks for determining the winner in a multi-player game.

2
votes
Partial answer: It could be
answered Aug 29 '16 by Deusovi
7
votes
Bob wins. Alice plays anywhere. Assume it's grid 3 - if it's not, replace every instance of "3" with whatever number it is. Bob now plays in column 3 on every single move. This gives Alice grid 3, b …
answered Dec 31 '16 by Deusovi
0
votes
It depends on what happens if they're indifferent. Assuming symmetry is broken somehow (because if it isn't, then they trivially both die), then one person will sound their airhorn first. Then, the se …
answered Sep 20 '15 by Deusovi
1
vote
Wellwell already gave the best answer. If you want it to be embeddable in a larger grid - that is, if you don't want it to depend on the border - then it's impossible if the player is automatically no …
answered Jun 25 '15 by Deusovi
21
votes
28
votes
The solution: The reason:
answered Jan 18 '17 by Deusovi
17
votes
You can't do this going second: The strategy going first is: Interestingly,
answered Oct 25 '21 by Deusovi
16
votes
Up to symmetries of the board, there aren't very many possible moves for the first player: Does this strategy work?
answered Jul 20 '19 by Deusovi
6
votes
Alice then claims the unclaimed X and Y squares on every unnamed board and wins the game. To have this strategy tried against you, you can play here. …
answered Jan 11 '17 by Deusovi
1
vote
No, you do not always have a strategy to beat a distracted Alice.
answered Mar 10 '20 by Deusovi
8
votes
Note that So, let's work backwards: For the record:
answered May 21 '21 by Deusovi
10
votes
The player who can win is by this strategy:
answered Jul 11 '19 by Deusovi