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The Seven Pis

Introduction

The name of this one player/solo/patience game of dominoes comes from the Greek letter π. Four dominos are used to make the π shape, meaning that from a double six set, seven Pis (π) will be constructed.

Equipment

The game was designed and tested using a double six domino set, but other sets can also be used, however the number of Pis (π) and size will have to be increased accordingly. For example for a double nine domino set it is best to make 11 Pis (π) each of 5 dominoes - an elongated Pi (π) with 3 tiles along its back is used.

An Overview

Dominoes from the hand are placed to form the π shape with the object being to deploy all tiles in forming seven Pi (π) shapes. Ends of tiles have to match.

The Play

The dominoes are placed face down and shuffled to form the draw pile.

Three dominoes are drawn and a decision made on which should be played and where. Possible plays are to start either one, two or three Pis (π) keeping the other tiles in hand. To play all three tiles on one Pi (π), to play two tiles on one Pi (π) and either starting another Pi (π) or keeping the odd tile in hand.

Game in Play

In this game one Pi (π) has been completed and 3 others started. 7 Pis (π) have to be completed to finish game.

sevenpis.gif

Scoring

The number of remaining tiles is the score - the aim is to score zero.

Comments & Strategy

An addictive game, which is for the connoisseur as it is not easy to get out. The game holds a player’s interest up until the last few tiles and often finishes are with one or two tiles not placed. To go out is tricky.

Various strategies have been tried, from starting all or most Pis (π) with just one tile, to working through and completing Pis (π) one at a time. Neither seems to give better results than the other.

Variations

Try CrissCross and UpStopDown. Any comments, suggestions or improvements please email

ChrisSmyth©2009


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Last updated 24th July 2009