As admin of this place, I'm really interested in getting more skiers here from Western NY. Welcome.
Gore has some good terrain for blue and green skiers. Park at the main base. Since you are going to be at Gore on a weekday, arriving super early not critical. Almost all of the East Side and North Side should be right in your wheelhouse. The North doesn't always run, on weekdays so you might not get it. Twister, Showcase, Wildair, Sleighride, Sunway, there are no blacks.
If you are going to be there 2 days you might check out the summit. There is almost no green and blue up there but it might be worth checking out.
You could take the gondola to the top of bear and take Pine Knot down to the Straightbrook Chair. Pine Knot is rate blue but it is borderline black, so maybe only consider it if the snow is really good. If it's ICY choose the other way > take the Adirondack Express and make the traverse over to the High Peaks Chair.
Either way from the summit ski Cloud to Headwaters to Tannery to the Topridge chair and head back down from there.
What am I missing? There are a lot of Gore skiers here.
Again, welcome. And post in Holiday Valley Conditions when you ski there!