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Gamehelppontedeldiavolo

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Contents

Introduction

The object of the game is to form groups of islands linked by bridges. An island is exactly four orthogonally adjacent tiles of your own colour. Any fewer adjacent tiles are a sandbank.

Game start

The first player places two light tiles anywhere on the board. They may be adjacent or separate.

The second player chooses either to adopt this move and play using the light tiles, or to place two dark tiles and play using those.

Each Turn

Each player takes turns to place either: (i) two tiles of their own colour, OR (ii) one bridge.

(i) Tiles can be placed anywhere on the board, either adjacently or separately, provided that:

  • they are not placed under bridges
  • no tile is adjacent to an island of the same colour, even diagonally

(ii) A bridge can be placed between two tiles of the player's colour (islands OR sandbars) that are two spaces from each other orthogonally or diagonally, or at a knight's move.

  • the centre of the bridge must be over water (knight's bridge needs both water spaces), not a tile
  • each tile can have a maximum of one bridge connection
  • bridges may not cross each other

Game End

Game end is triggered when either player is unable to place two tiles and chooses not to (or is unable to) place a bridge. (The player using dark tiles gets opportunity to take an equal number of turns). Note: unlike the printed rules, in the BGA implementation, there is an infinite supply of tiles and bridges. Thus, the game will only end when a player has fewer than two valid squares available for tiles.

The players score each group of islands connected by bridges (including connections via sandbanks) according to a rule of triangular numbers:

Number of connected islands Score
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
9 45
10 55
11 66
12 78


In the case of a tie, the player with the most islands is the winner. If still tied, then the player with the most bridges is the winner.

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