Supertris

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Game Structure

The game is played on a large 3x3 grid, called the board, where each cell of the board is itself a 3x3 grid, called a dial.

• Board: The outer 3x3 grid
• Dial: A single cell of the board, representing a 3x3 grid

Objective of the Game

The goal is to achieve a three-in-a-row on the board. To do this, you need to win the individual dials.

• Winning a Dial: Achieve three-in-a-row within a 3x3 grid (dial).
• Winning the Board: Obtain three-in-a-row on the board by using the won dials.

How to Play

The game is turn-based between two players, X and O.

1. Starting the Game

• Player X begins by choosing any cell of the board to place their mark.

2. Subsequent Turns

• After Player X makes their move, Player O must play in the board cell that corresponds to the dial cell chosen by X.
• Within that dial cell, Player O can place their mark in any available cell of the dial.

3. Rules for Already-Won Dials

• If a dial has already been won by a player, the next player can choose any available cell on the board, without following the dial correspondence rule.

Example of Gameplay

1. Turn 1: Player X chooses cell (0,0) of the board and plays in cell (1,0) of the dial.

2. Turn 2: Player O must now play in cell (1,0) of the board. They play in cell (2,0) of the dial.

3. Turn 3: Player X plays in cell (2,0) of the board.

4. [...]

5. Turn 8: Player O must play in cell (2,0) of the board and chooses cell (2,0) of the dial, winning that dial.

6. Turn 9: Player X must now play in cell (2,0) of the board. Since this dial has already been won by O, X can play in any available cell on the board.

Additional Notes

• Turn-Based: Players alternate turns.
• Marks: Players use X and O for their moves.
• Strategy: Carefully plan your moves as you need to consider both the board and the dials simultaneously.

Have fun and good luck!