While most people are aware that stone blunts scissors, scissors cut paper and paper covers stone, there is a psychological element to the game which many players may have missed. According to New Scientist magazine, the way to win is to start with scissors.
Research shows that stone, also called rock, is the most popular of the three possible moves in the game.
That means that your opponent is likely to choose paper, because they will expect to you to start the game with stone.
By going with scissors, you achieve an early victory.