I understand that there is some gain when you raise with 3 cards, but sometimes all you need is a Natural auction as 1♦-1♥;2♣-2NT;3NT.
IMO if you are in the slam zone, raising with almost all 3-card hands with a singleton or a low doubleton ...
If you looking for advanced stuff, Bridge, Probability & Information by Robert MacKinnon is a good choice. If you want to keep it simple, Kelsey's Bridge Odds For Practical Players is excellent.
Doubles that shows specifically a meaning should be alerted. Like 1m (1♥) dbl showing 4♠ or support dbl or 1NT (P) 3NT dbl for a ♠ (or any specific) lead. Dbls for takeout (t/o, values, invitational) or penalty (pure, coop) should not be alerted.
How about polish style from the eighties? Pass with 13+, opening 1M with either 0-2 cards or 5+ cars in the suit bid... You can't double a pass and for sure you don't have any cuebid once opps suits is either short or long....
I believe to be impossible to play a regular pairs session with unrestricted conventions.
How much time would be spent just to understand the opps system and discuss a proper defense with partner?
However in a long match (12+ boards) that you have full disclosure of opps system before hand ...
WBF seems to be failing hard when handling technology. At the same time that the players are not allowed to carry their smartphones into the playing site (for obvious reasons, of course), the infrastructure (CoC, few printers, few minutes between sessions) encourages you to check the results online. "Good luck ...
Bridge players have a much longer career than any athlete in physical sports, therefore if you think in % of total career, 10 years in bridge would be roughly equal to 1 year in physical sports. Another point in a favor of a longer punishment is that when you are talking ...