Just my personal opinion on the leaderboards' top 10. Ratings out of 10
Attack: how well a debater refutes and notices holes in arguments
Defense: how well they support their arguments
Trickery: how well the debater thinks through the premise and argues semantics/specifics, chooses topics, as well as versatility
Oromagi
Attack: 11
Defense: 9
Trickery: 10
Ragnar:
Attack:9
Defense: 9
Trickery: 11 (never lost a debate, ever)
Ramshutu
Attack: 8
Defense: 10
Trickery: 7
MisterChris
Attack: 8
Defense: 8
Trickery: 3 (plays it straight)
Trent0405
Attack: 7
Defense: 9
Trickery: 10
Semperfortis
Attack: 8
Defense: 8
Trickery: 9
RM
Attack: 8
Defense: 7
Trickery: 5
Blamonkey
Attack: 10
Defense: 10
Trickery: 10
Intelligence
Attack: 9
Defense: 8
Trickery: 9
Nihilist
Attack: 6
Defense: 6
Trickery: 9