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Wild tic-tac-toe is an
Wild tic-tac-toe is an impartial game In combinatorial game theory, an impartial game is a game in which the allowable moves depend only on the position and not on which of the two players is currently moving, and where the payoffs are symmetric. In other words, the only difference betw ...
similar to tic-tac-toe
Tic-tac-toe (American English), noughts and crosses (Commonwealth English), or Xs and Os (Canadian or Irish English) is a paper-and-pencil game for two players who take turns marking the spaces in a three-by-three grid with ''X'' or ''O''. T ...
. However, in this game players can choose to place either X or O on each move. This game can also be played in its misere form where if a player creates a three-in-a-row of marks, that player loses the game.
Regular game
Wild tic-tac-toe is played on a 3-by-3 board. Each of the players take turns placing a X ''or'' an O on any unoccupied square. The player who creates a line of 3 X's in a row or 3 O’s in a row wins. This version of the game is forced win for the first player.Misere game
This game is exactly like the regular version of the game except the player who creates a line of any three marks (Xs or Os) in a row loses the game. The second player can force a draw by playing a mark opposite of the opponent's mark and choosing X if the opponent chose O (or vice versa).See also
*Tic-tac-toe variants
Tic-tac-toe is an instance of an m,n,k-game, where two players alternate taking turns on an ''m''×''n'' board until one of them gets ''k'' in a row. Harary's generalized tic-tac-toe is an even broader generalization. The game can also be general ...
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