I would agree with the others who have said a smooth trigger with as light a trigger pull as is allowed by the rules is what you really want. I seriously doubt that you'll notice the other factors. When I'm shooting NRA bullseye (which, I think, is different than the international rules you have), I'm more concerned about keeping my front sight in focus. Honestly, I've seen a lot of good shooters score well with average pistols than I have with average shooters win with top-of-the-line pistols. My revolver is a 1952 vintage Target Masterpiece with original stocks for any revolver matches using a 148 grain HBWC and 2.8 grains of Bullseye for the shortline, or a 158 grain LSWC and 3.6 grains of Bullseye for the 50 yard line. Otherwise, I'm using my Les Baer M1911A1 with a slide-mounted Ultradot for the centerfire matches.