Tetronogo

In this Death Match, wield your chosen tetromino effectively to claim the most empty groups.

Designer(s): Dems, Sam	Match Type: DM (for 2 players)
Featured in: Genius One

In this Death Match, players try to have their tetrominoes capture groups of empty spaces, by having more of their shape’s edges surround an empty group than their opponent’s edges.

Bouts

The game will take place over a maximum of 4 bouts. At the start of each bout, players will privately select one of seven tetrominos to use. You will be placing copies of this shape tetromino during the entire bout - for example, if I pick the I piece for bout one, I will be placing I pieces only during that bout and no other shape.

However, a player who picks a certain tetromino cannot select the same tetromino to use in a future bout. For example, if choose to use only I pieces during bout one, I cannot choose I pieces in bouts 2, 3, and 4.

The pieces available are as above - O, I, S, Z, L, J and T.

For the first bout, the DMO (Awesome) will select the starting player. In all other bouts, the player who lost the most recent bout will select who goes first instead.

Play will alternate between the starting player and the other player. On a given turn, a player must place a copy of their chosen tetromino somewhere on a 12 x 12 board so it fits into the grid without overlapping with previously-placed shapes. You can rotate this shape, but you may not flip it. You can place this shape by dragging it in google slides and saying “done” in the arena or by asking the dealer to place one at specific coordinates.

Players will take up to 60 seconds per turn, with 2 minutes of reserve time for each bout. If a player runs out of reserve time, they lose the bout.

A bout finishes when a player begins their turn with no valid places to set down a tetromino (note: a player MUST place a tetromino if they are able to).

Then, scoring will begin.

Scoring

For each “group” of empty spaces (groups of orthogonally adjacent unfilled empty tiles) we will count the number of edges each player has surrounding them. Whichever player has more edges touching the group will have their score increase by the number of spaces in the entire group (regardless of whether your edges touch all those squares). If both players have the same number of edges, the group will be unscored.

For example, on the following board, blue has 7 edges touching the group of five, while red has 3, so blue will score the group, and earn 5 points.

After we score each group, the player with the highest total score wins the bout.

Ending

The game ends when one of two conditions are reached.

1) A player wins two consecutive bouts.

The first player to win two consecutive bouts wins the deathmatch.

2) The fourth bout ends, and neither player has won two consecutive games

In this case, we will sum the scores of the players across all 4 games. The player with the higher cumulative score wins the game.

If both players are still tied, the player who won the most recent game wins.

Place and block tetrominos carefully to win Tetronogo.

Clarification: Groups can be formed by walls / borders + piece edges in combination. A group does not need to be surrounded solely by pieces. Groups can be of just one tile.

Tetronogo

Bouts

Scoring

Ending

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