The ratings on this site include as many competitions as possible where results are known. It is the long-term aim to include every competition result back to 1895 (or 1908 for Australia), and to provide details of the greatest teams in all periods of rugby league history.
At the moment competitions that influence records are included as follows:
International
Rugby League World Cup
4-Nations (and predecessors)
Pacific Cup
European Bowl/Cup/Shield
Mediterranean Cup (and similar)
European Championship (historical)
Or, to put it succinctly, All matches between international teams are included (but not including such as England v Cumbria or tour matches)
Europe
Super League
Rugby League Championship (e.g. First Division, Northern Rugby League)
Championship and Championship 1 (and predecessors such as Divisions 2 and 3)
Challenge Cup
World Club Challenge/Championship
Northern Rail Cup (and similar)
National Conference League
BARLA National Cup
County Cups
Regal Trophy
Premiership Trophy
Divisional Premiership
Trans-Pennine Cup
Treize Tournoi
Australia
NRL (and predecessors ARL, NSWRL etc)
Australian Super League
World Club Challenge/Championship
Tournaments to be included
Australian Midweek Cup (and other similar)
BBC2 Floodlit Trophy
Captain Morgan Trophy
Rugby League Conference
We could include more lower-level competitions, but that's a very long-term aim due to the work required.