Originally posted by Bedlam
Having more pieces attacking the square than your opponent...text shortened
This answer is probably more involved then WriterAnathema
was asking for, but I think that the definition given by Varenka
is more accurate. For example, consider the following position (black to move):
White has a slight material advantage, though that is not terribly relevant to our discussion. The question I would ask is: Who controls d5
? If we go by Bedlam's
definition, it is White, but that clearly is not the case. Admittedly, Black does not have absolute control of d5 (Re5 would be a mistake), but Black does have considerably more influence over d5 than White does. Consider that Black could even play Ra8 on this move and the following move Nd5 would still be playable.