My everyday go to pen is UNI-BALL VISION NEEDLE Liquid Ink micro point (0.5mm)
I like that it is fine point but doesn't bleed or smear and is pretty dark. Some find it mildly scratchy but I like it and use it day to day. Pretty good performer for the price.
Lamy 2000 w/ Montagrappa blue
.... in a follow-up to the game below. After my 42...c3, 43.Kxc3 Be6 44.Be6 a3 has been played .... just in case you were following along