churnpics.png click to enlarge

General info
850 matchframes
30 reaction time
550 fracture threshold

Spar similarities
10 turnframes
-30 grav
no grip
no dismemberment.

other features
enclosed arena
refined scoring and blocking point system
8.01 x 8.01 safe dojo space
Fast spinning churn beneath dojo
2 x weighted high speed balls
Disqualification conditions.
2 game modes.

Really simple low scoring and increased blocking, I think the score is determined by how hard you hit x by the multiplier value.
torihitscore.jpg click to enlarge
0 points awarded for any blows beyond the elbows or knees.
1 x multiplier for body / upper limb blows.
3 x multiplier for head blows.