Fantasy rules + scoring:

1. you need at least 1 of every class, or else it's not a valid team
2. Limit of people from teams? Not sure if I like, will consider
3. logs.tf must be used for it, not sizzlingstats

Scout scoring:

1 point per kill
1 point per 25 damage per minute
1 bonus point per every 10 points capped (5cp/koth only)
1 bonus point per med kill
½ point per assist
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more kills than other scout, 2 extra bonus pts (3 total) for >=5 more kills than other scout
2 bonus points per melee kill

Soldier scoring:

1 point per kill
1 point per 25 damage per minute
½ point per assist
1 bonus point per med kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more kills than other soldier, 2 extra bonus pts (3 total) for >=5 more kills than other soldier
1 bonus point for every 25 health packs taken
2 bonus points per melee kill

Pyro scoring:

1 point per kill
1 point per 20 damage per minute
1 point per assist
1 bonus point per spy kill
1 bonus point per med kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more kills than other pyro, 2 extra bonus pts (3 total) for >=5 more kills than other pyro
2 bonus points per melee kill

Demo scoring:

1 point per kill
1 point per 35 damage per minute
½ point per assist 
1 bonus point per med kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more frags than other demo, 2 extra bonus pts (3 total) for >=5 more frags than other demo
1 bonus point for damage/death above 500, 2 extra bonus points (3 total) for damage/death above 750, 4 extra bonus points, (5 total) for damage/death above 1000
2 bonus points per melee kill

Heavy scoring:
1 point per kill
1 point per 25 damage per minute
½ point per assist
1 bonus point per med kill
1 bonus point per spy kill
1 bonus point per heavy kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more frags than other heavy, 2 extra bonus pts (3 total) for >=5 more frags than other heavy
2 bonus points per melee kill

Engineer scoring:

1 point per kill
1 point per 20 damage per minute
1 point per assist
1 bonus point per med kill
1 bonus point per spy kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more frags than other engi, 2 extra bonus pts (3 total) for >=5 more frags than other engi
1 bonus point for fewer deaths than other engi, 2 extra bonus pts (3 total) for >=5 fewer deaths than other engi
1 bonus point per 500 dispenser heals
1 bonus point per 10 sentries built
2 bonus points per melee kill

Medic scoring:
2 point per kill
1 point per 500 damage
1 point per assist
5 bonus points per med kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
5 points for fewer deaths than enemy medic, 10 pts for >=5 fewer deaths than other medic
1 pt per 1000 heals
1 pt per 5 ubers
-3 points per uber drop
2 bonus points per melee kill

Sniper scoring:
1 point per kill
1 point per 30 damage per minute
½ point per assist
1 bonus point per med kill
½ bonus point per sniper kill
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more frags than other sniper, 2 extra bonus pts (3 total) for >=5 more frags than other sniper
1 point per 5 headshots
2 bonus points per melee kill

Spy scoring:
1 point per kill
1 point per 20 damage per minute
½ point per assist
1 bonus point per med kill
1 bonus point per heavy kill
1 bonus point per demo kill
1 bonus point per engi kill (pl and a/d only)
1 bonus point per sniper kill (koth only)
1 bonus point for ka/d more than 2, 2 bonus points for ka/d more than 2.5, 3 bonus pts for ka/d more than 3, etc.
1 bonus point for more frags than other spy, 2 extra bonus pts (3 total) for >=5 more frags than other spy
½ bonus point per headshot