It sometimes happen that a quick win is possible against an inferior opponent via a risky procedure that the inferior opponent is unaware of or is not organized enough to counter. For example, there are situation in chess like this, but it also happens in real life. For example, Nelson gambled that the opposition at Trafalgar would not be alert and organized enough to exploit the window of vulnerability that he was accepting as part of his unconventional battle plan.
[weighing the odds]
[acceptance of risk]