Treblecross

Treblecross is a degenerate tic-tac toe variant.^[1] The game is an octal game,^[2][3] played on a one-dimensional board and both players play using the same piece (an X or a black chip^[4]).^[5][1][3] Each player on their turn plays a piece in an unoccupied space. The game is won if a player on their turn makes a line of three pieces (Xs or black chips) in a row.^[1][4][6]

Gameplay

The game begins with all the 1×n spaces empty. Each player plays an X on the one-dimensional board in an empty cell. The game is won when a player makes a row of three Xs.^[7]

See also

• n^d game – Generalization of the game Tic-tac-toe to higher dimensions

References