for the different CPU socket, an example
one E8600 CPU for S775 on a DDR3 board , if your country submits an E8500 on DDR2, the highest ref frequency will count and will make the other score redundant
one CPU for 2011
one for AM2
A different CPU for AM3
...
Each country just needs subs of 8 different CPUs BUT related to the CPU-Z socket which is mentioned by CPU-Z... If you sub two S775 CPUs only the highest one will count for the compo...