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The Substitute Teacher

Games of Strategy

The Topological Game of Gale


Image of a winning round of The Topological Game of Gale
[Gale - Game Board] [Gale - Instructions]


Player A uses a black dry marker. On his turn he connects two adjacent 'dots', either horizontally or vertically. He may skip around the board. His objective is a continuous line connecting the left and the right sides of the field. Player B uses a red dry marker (indicated by a dashed line, and he is to connect two adjacent 'X's, either horizontally or vertically. He may also skip around the board. His objective is a continuous line connecting the top and the bottom sides of the field. Players may find that blocking an opponent is a major component of this game. The illustration above depicts a winning hand for player B.


Credits: The Second Scientific American Book Of Mathematical Puzzles and Diversions", Martin Gardner, The University of Chicago Press, 1961