Derek, I have changed your values again within my piece value table.
I hope, you will report on some 9*N vs. 4*A games using your special SMIRF
engine modified to your values. I am very convinced, that the effect of
value reduced unbalanced big pieces exists.
P.S.: Here is a hint to check out my marginally refined approach at page: http://www.10x8.net/Compu/schachansatz1_e.html
http://www.10x8.net/Compu/schachansatz1_e.html