See: Estimated Rewards
See: Supported Sidechains
Yes, a share on the main or mini sidechain is required to win.
Try GUPAXX: https://github.com/Cyrix126/gupaxx
Check the History page, you should see your donation HR avg. displayed.
Register a new wallet address or ask for help in the chatroom.
Public: https://xmrvsbeast.com/p2pool/stats
Miner: https://xmrvsbeast.com/cgi-bin/p2pool_bonus_history_api.cgi?address=WALLET_ADDRESS&token=TOKEN
See: Monero Nodes
Chatroom: https://matrix.to/#/#xmrvsbeast:monero.social
Community: https://monero.town/c/xmrvsbeast