For those of you running JK2 servers that wish we could engage in more than 1 locked duel at a time on FFA servers, here's what you have been looking for!
g_privateDuel 1(<--JK2 default ofcourse)
--Set to the amount of locked duels you would like to transpire at one time and your all set! VV00T!!
Also, to change the players Force regeneration time and the maximum Force Rank try these command lines out!
g_force_RegenTime 200(<-- JK2 default)
g_maxForceRank 7(<-- JK2 default)