At the beginning of a match, each bot has 600 units of stamina.
A match is a sequence of balls.
For each ball, bots must choose how many units of stamina they will invest. This quantity of stamina is called the “force”. The bot with the higher force wins the ball (the game scores like tennis).
Bots’ stamina is lowered by the force they invested. The winner earn 1 stamina unit.
Another ball is played.
Match goes on until both bots have zero stamina.
Bots can’t invest stamina they don’t have.
Bots which have stamina must invest at least 1 unit for each ball.http://pro-stamina.atspace.eu/