I patched the exe to connect to dreamcast talk servers.
Unzip the package and place pool.exe into the game directory overwriting pool.exe.
or if you would like to patch it yourself:
Do a find for in your hex editor for coolpool.east.won.net and replace it with dc.dreamcast-talk.com
do the same with coolpool.west.won.net
you can download the game here:
https://www.myabandonware.com/game/maximum-pool-ea5