This is the good polo ball. Super hard, super durable. Best thing I've found so far!! These were the balls used at North American Championships in Madison.
Bike Polo Swiss Round Software
Click Here to download
Extract all files to the same folder, and run SwissRules.exe
to start the program.
Operation is pretty straight forward. If you have any questions you can email me at firstname.lastname@example.org and I'll see if I can help.
I spent a considerable amount of time and effort creating
this program, it is free to download and use, however if you
find it useful and you use it to run your tournaments a small donation would be appreciated. Thanks.