The Valentine Core War Tournament will be held on 14th February using CWS'88 Redcode. Players may enter one or two warriors. The maximum total length of both warriors added together is 50 instructions. Entries will compete in core size 8000 with max processes 8000 and extended cycles — a tie is declared after 1000000 cycles.

All entries take part in a round robin qualifier with the highest scoring entry from each player advancing to the final. The highest scoring warrior in the final will be awarded the $50 first prize. The $25 second prize will be awarded to the highest scoring warrior in the qualifier.

Entries can be sent by email to . The deadline is 14th February 2015. All entries will be published at the end of the tournament. Updates will be posted to,, #corewars on and on twitter using the hashtag #corewar. Good Luck!

Technical Details:

Players may enter one or two programs with a maximum combined length of 50 instructions. Programs face each other in a one-on-one round robin with no self-fights. Entries must be your own work. CWS'88 Redcode applies with extended cycles as follows:

Further Details:

More information about Core War can be found at:

Software is available from:

Core War can be played online at:

For help, advice and updates see: