Weapons - Blunt weapon. 1 side armed, probably a knife or both unarmed can be an option too. Armed person should be able to retain weapon, unarmed should be trying to take it away and if possible use it.

Scoring - If one is stabbed or slashed cleanly (killing or maiming blow based on degree of penetration) 3 times then fight is over, person with weapon wins. If hits are like short jabs, one point for a solid, easily identifiable jab. 2 clean throws/submission (lock) ends fight, with unarmed person winner. Points awarded for partial waza and throws as in Judo rules. This entices solid attacks as well as clean technique.

Gear - Everyday clothing would be best but keikogi can work to absorb lots of sweat and limit clothing being destroyed, naked competitors etc.

If one has dealt with a single attacker in a resistance-type environment one would realise the severe danger that accompanies the added difficulty of another resisting attacker. No technique should be disallowed but could get very messy. If all parties were armed with a knife though it could be interesting.

Fighter experience - anybody.

Time Limit - 5 minutes or until submission/unconsciousness.

Fatigue? - Don't see the reason if one is having multiple bouts separated by a few minutes. Fatigue will be happening by 3rd bout or so.

Terrain - Open matted area. Would be nice to have some environmental hazards.

Just my few cents, obviously I have nothing better to do right now.

LC