Sixteen Stone - Rules

7/26/2019 Sixteen Stone - Rules

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Pushing a Stone

Players may push an opponent’s stone(s) if theyhave more stones in a line than their opponentIf a stone is pushed off of the board it is re-turned to the opponent’s pool.

Stones may be pushed diagnonally.

3 Stone may push 2 stones. Players must havea stone to push. Players may not push their

own stones.

Designed by Gary Boyd

2 Players10-15 minutes

Components:

8 Red Stones8 Blue Stones

5x5 Grid Board

Sixteen Stone is an abstract game played on a5x5 grid. The objective of the game is to re-move your opponents stones from the board

by either pushing them off the board or bycapturing them.

Each player takes 8 stones in red or blue. Thered player goes frst. Players alternate placingtheir stones on any of the open cells of the

grid. Once all stones have been placed, thegame begins.

As the game progresses, pieces will be re-moved and placed into the player’s pool. Piecesin a player’s pool are useful later in the game.

Starting with the red player, players take turnspeforming several actions. Players may per-

form each of the following actions once perturn in any order :

• Push

• Move

• Sacrifce

On their rst turn the rst player may performeither a push or move but not both.



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Pieces pushed off the board are returned tothe player’s pool.

Moving a stone

In addition to pushing, players may move oneof their stones to any adjacent cell that is open.

A stone may be moved diagonally as well as

orthogonally.

If a player moves a stone into a positionwhere it surrounds an opponent’s stone ontwo opposing sides, they may return that stoneto their opponent’s pool and replace it with

one from their own pool. This is referred to ascapturing.

This move will result in the capture of 2 blue stones as the red stone moving causes both to

be surrounded on opposing sides.

A piece is not captured if it moves voluntarilyinto a position between two opposing stones.



3

A stone pushed into position between twoopposing stone is captured.

The stone in the red box is not capturedbecause it was already surrounded whenthe push began, even though a blue stone ismoving into a capturing position.

End Game Conditions

If either player is reduced to a single stone, thegame ends immediately and that player losesthe game.

If any player concedes defeat, the game endsimmediately and the opposing player is thewinner.

Sacrifce a stone

Players may remove one stone from their poolpermanently to take one additional move orpush action that turn. This is referred to as sacrifcing.

Note: Sacricing stones should be considered

carefully because it reduces your available pieces for the rest of the game.

Additional Rules & Clarifcations

• Players may perform each of the three

actions during their turn. It is possible for a player to push, move, and sacrice to pushor move again in a single turn.

• Players may only push an opponent’s stone.

A player may never push one of their own.• In order to push, there must be a stone topush.

• Stones which are pushed are pushed onecell in the direction of the push. If they are

pushed off the edge of the board, they areplaced in back into their pool.

• While pushing, if one of your stones movesinto a position not previously occupied byone of your stones and surrounds an oppo-nent’s stone, you may capture that stone.

• If you push an opponent’s stone into a posi-tion between two of your stones, you may

capture that stone.• When you capture an opponent’s stone, the

stone you replace it with cannot be immed-diately used to surround another stone.Stones must be moved in order to capture.

• When you capture an opponent’s stone,it is returned to the opponent’s pool andmust be replaced with a stone from yourpool.

• If all a player’s stones are on the board,that player may not capture an opponent’sstone. Players must be able to replace astone with one of their own to capture it.

• A stone which is voluntarily moved into aposition between two opposing stones isnot captured.

Sixteen Stone - Rules

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