While the site is free to all who wish to play, contributory membership is vital to ensure its continuity and development, and special features will be offered in return for this support:
- Competing against computer players of various levels from beginner to expert.
- Computer assistance during the game examination.
- Use of the broadcast command to replay and analyze games played outside ISC.
- Limits for noplay, buddies lists are increased from 100 to 150 players.
- Access to our backup server.
- Stop observers during your games from seeing the racks.
- Detailed statistics about your games: best plays, best games, stats vs. another player, etc.
- Create your own chat channel.