Here are some LottoLibre rules and guids to help you through.
Each Pool has a fixed entry fee and fixed max number of users.
Pools are TRANSPARENT and you can verify its activities on the blockchain.
A Player is anybody who joins a pool.
A Miner is anybody who mines a pool.
A Pools Expiration Time is the minimum time a pool has to remain OPEN before it is mined if it is not full.
When joining a pool you automatically pay the entrace fee.
Mining a pool means, ending the pool and looking for random winner. Mining a pool can only be done after the respective pool's expiration time or by the admin if something goes wrong which is unlikely.
A Pool can only be mined when it is full (automatically), when its expiration time is up(by a miner) and by the admin (if something goes wrong).
A Player can Join a pool multiple times to increase their chances of winning (basic probability).
Pools are designed to be autonomous with the help of miners who get rewarded for their services.