Melt the butter and blend with crumbs, pecans, & 2 TB sugar in a food processor. Press into a 13 x 9 pan. Mix softened cream cheese with 3/4 c sugar. Add vanilla & eggs and beat. Add melted chocolate and beat. Pour mixture over crust and bake at 325 for 1 hour. Mix blueberries, wine and sugar in saucepan, simmer for about 10 minutes and blend in blender. Pour over cheesecake.