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Rules
Mind that UCThello has an option menu, too. Selection of specific options might alter the basic rules described as follows. Besides rule options you can find additional options like showing or alternatively hiding markers on available fields a player is allowed to set own game pieces on own turn. Please make sure the current game options are chosen as intended by both players prior to game start.
The game is played in turns by two players namely Black and White. Starting position shows pieces on the central four fields. Initially Black's pieces are on d5 and e4 (near-left-to-far-right diagonal) while White's pieces are on e5 and d4 (near-right-to-far-left diagonal). Initial player is Black.
A player's turn consists in
- setting a game piece of own color on an allowed field followed by
- flipping specific pieces from opponent's color into own color by replacing these according to the rules.
The action of placing a game piece onto a vacant field is called a set. A player must pass his turn if no set is available.
Setting a game piece of own color on an empty vacant field is considered legal or allowed if in at least one direction (horizontally, vertically, diagonally) exactly this game piece and another piece of own color already on board surrounds game pieces of opponent's color in an unbroken row. Such that two own game pieces form a bracket around the opponent's unbroken row of game pieces. If such bracketing by the newly set game piece takes place in multiple directions at once then flipping the opponent's pieces into own game pieces is performed in all these affected directions.
Game is over if either both players must pass with no available sets left or if there is no remaining empty field on the board. The player having the most pieces of own color on the board does win the game then.
Proposal is to offer a revanche or revenge match by the winner. As an option the weaker opponent might choose the game options for the next round.
Have fun and enjoy the game…
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