The justification described in the preceding sections of this chapter is not available to a person who:
...
(2) Initially provokes the use of force against himself or herself, unless: (a) Such force is so great that the person reasonably believes that he or she is in imminent danger of death or great bodily harm and that he or she has exhausted every reasonable means to escape such danger other than the use of force which is likely to cause death or great bodily harm to the assailant;
I highlighted the relevant parts.
You can't claim self-defense if you initiated it UNLESS ... well, damn near anything that comes after the "unless" makes this law bullshit. You can start a fight, and if you're losing bad enough you can shoot the other guy.