Two-Person Zero-Sum Game/Example/-1, 0, 1/Payoff Table

Payoff Table for $-1$, $0$, $1$ Game
The following payoff table specifies the $-1$, $0$, $1$ game whose payoff to $A$ is given by:
 * $\map p A = s \paren {t - s} + t \paren {t + s}$