Enter Your Reply The Comment You're Replying To George Duke wrote on Wed, Mar 31, 2004 11:21 PM UTC:Antoine Fourriere mis-reads Larry Smith's idea, which I agree with, that potential for advantage in the exchange comes from significant differences in piece values, regardless whether many an exchange may appear equal. I incorporate these piece-value disparities numerically in what is called Exchange Gradient. In Antoine's words, 'a useful variable' of 'over-all strength by piecetype variance' is exactly what EG is. Edit Form You may not post a new comment, because ItemID Game Design does not match any item.