Traditional folk custom stone scissors cloth

Solution: (1) All possible outcomes of gestures made by players A and B in 1 game are (stone, stone), (stone, scissors), (stone, cloth), (scissors, stone), (cloth, stone), (cloth). ?

(ii) According to (i), there are nine basic events.

The basic items that A lost to B are (stone, stone), (stone, scissors), (scissors, scissors), (scissors, cloth), (cloth, stone), (cloth, cloth), and there are six.

Therefore, in 1 game, the probability that A loses to B.