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Player guide

Strategy

Triple Move

Two people share a three-by-three board. X opens every round and O answers. Once a square is marked, neither player can change it.

Player guide

How to play

Your objective

Be the first to put three of your marks in one row, column or diagonal. A full board with no line is a draw.

Controls

  • Take turns tapping or clicking an empty square. New round clears the marks and puts X back on turn while retaining the session’s win counts.
Worked example

Block a diagonal before it is too late

  1. To try a defensive puzzle, let X take the top-left corner and O take the top-right.

  2. Let X claim the centre. The diagonal from top-left through the centre now has two X marks.

  3. On O’s turn, take the bottom-right square. If O plays elsewhere, X can take that corner on the next turn and win.

Player tip

Before blocking, first check whether you have an immediate winning square yourself. If not, look for an opponent line with two marks and one empty square.

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