My automated tuner seems to help here a bit. The tuned version is much more willing to give up some material to improve its position then the old "materialistic" version was.
In Jeremy Silman's "The Amateurs Mind" he discussed the following position
1r4k1/5p1p/1p3np1/pR6/P1Pr3P/2R2B2/1P4P1/7K w - -
|Fischer - Taimanov, Palma de Mallorca 1970, White to Play|
I gave this position to my original version and it wasn't really understanding the position. At lower depths it tried to save the pawn with g3 and at higher depths it suggested 1. h5 Ne4 2. Bxe4 Rxe4 giving up its strong bishop and its advantage.
The tuned version very quickly found a better move. 1. c5! (1. .. Rxh4+ 2. Kg1 Rb4 3. Rb3 Rxb3 4. Rxb3 Nd7 5. c6). The pawn then queens after a rook sacrifice (Rxb6) which was a tactics my engine still missed so deep down the tree.
But it seems to make a little progress in the area of positional understanding.