Most computers need an operating system. Programs might act a little smarter if there was an OS in core. The RedOS is a simulated operating system which resides somewhere in core with the two combatants. Scoring goes something like this. 1 Program, opponent, and OS live.
Program dies, opponent and OS live.
Bear in mind that the RedOS is dynamic. The tournament will be round robin style. Results will be given on rec.games.corewars as soon as they are completed. If you have further questions feel free to contact me at the address above. The 25 warriors on the hill are represented by 15 authors.