When to Capture or exchange
	when should we make captures
	we give values to various pieces, but we always have to think of their mobility
	a piece that can't move very much is not strong
	your own pieces are usually the problem
1						2
	how valuable is the white pawn
3						4
	if white could move the Knight to e7, without
	having the black King trapped in h8 which would
	be a stalemate, white will win
5						6
							white 'sees' the possibility of Ne7 +