http://img167.imageshack.us/my.php?image=relationbetweeng... this pic is also good, the gameshape was monitored in the first week of the season.
At your stats above, i miss the correlation betwenn the current gameshape, i believe you could a improvement with bad improvement, easily if the gameshape was worse before, also you got a similiar amount of +/- if you play then constant 55 minutes or 100 only that it changes betwen 6-7 or 8 and 9