If I shoot to the left and the goalie dived to the right, then I score 90% of the time, so my payoff is .9.

如果我从左路射门而门将扑向右路,那我有90%的概率进球,即我的收益就是9

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Conversely, if I shoot to the right and he or she dives to the right, then I score 40% of the time, so here's my payoff 4.

相反如果我从右路射门而门将扑向右路,我进球的概率是40%,收益是4

耶鲁公开课 - 博弈论课程节选

If I shoot to the left and there's no probability of the goalie diving to the right, which means that they dive to the left, then my payoff is 4, meaning I score 40% of the time.

如果我从左路射门,而门将不会去扑向右路,也就是说他会扑向左路,此时我的收益是4,也就是说我进球的概率是40%

耶鲁公开课 - 博弈论课程节选