Hi @Vero, thank you very much for the reply. I saw the advanced settings before posting, but I interpreted that bit as Cmd+# of the result to reveal the file. I now see that Cmd+left click and Cmd+return both do what I wanted.
I currently don't have the powerpack (by the way, it's surprising how good the free version of Alfred actually is), but I'll check the universal actions and consider the purchase later on once I have a better idea of various options. I already use Hazel and BetterTouchTool for file management, clipboard, gestures, window snapping, MacBook customizations, automations, text input, etc. so I'm still unsure whether the powerpack is really worth it for my current needs. The possibility to search also URLs history sounds good but I need to research universal actions and workflows a bit more to see what they can add to my existing settings.
If you have thoughts about that, feel free to share your experience. In the meanwhile, thank you again for the helpful answer! Much appreciated