Enter Your Reply The Comment You're Replying To H. G. Muller wrote on Sun, May 22, 2011 09:01 PM UTC:I could think of several possible explanations why the value difference C-A is much smaller than R-B. 1) B is the only piece of the four that is color bound. 2) B is the only piece of the four that has no mating potential Unfortunately, repairing any of these two shortcomings of the Bishop, e.g. by giving it an extra backward (bW) non-capture or capture did not seem to up its value very much. The hypothesis I currently favor is that there is a very good synergy between Bishop and Knight moves. The Archbishop is extremely efficient in gobbling up Pawn chains. Edit Form You may not post a new comment, because ItemID ARCHBISHOP Value does not match any item.