Pawn Chains
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	Pawn Chains
	Pawns must be looked after because of their vulnerability to attack by pieces, so we often put them in chains
	a chain is where each pawn is protected by another pawn, except the base
	they form a barrier to enemy forces and give a region of space for their own pieces to move about in
	You generally attack a pawn chain at its 'base'
	Sometimes you can break it up into smaller 'chains' with a pawn movement