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Infinite Tic-Tac-Toe (Posted on 2006-06-09) Difficulty: 3 of 5
Imagine a grid of squares, like a tic-tac-toe board, that goes on infinitely in all directions.

Players alternate taking turns marking the board with X's and O's. The winner is the first player to get four marks in a row (horizontally, vertically, or diagonally).

On each turn, a player may either:

A: Place two of his/her marks on the board, or

B: Remove one of the other player's marks, and then place one of their own.

With optimal play, does either player have a forced win, or will this game continue on infinitely?

No Solution Yet Submitted by tomarken    
Rating: 3.0000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
tic tac toe | Comment 6 of 11 |
the game could go on forever but it dependes on the players just like tic tac toe.  It doesnt matter who goes first it only matters if the other player can fool one of them, but yes the game could go on forever, just like people draw in tic tac toe.
  Posted by justin lis on 2006-06-29 09:22:12
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