Do you think “rock, paper, scissors(剪刀)” is a children's game? Think again.

    Top players from {#blank#}1{#/blank#} the world came together in Toronto to compete for a 10,000-Canadian-dollar prize and the title of World Champion(世界冠军头衔).More {#blank#}2{#/blank#} 500 players, including national champions from Australia, Norway {#blank#}3{#/blank#} New Zealand, attended.

    The simple game is often used to make decisions and solve simple {#blank#}4{#/blank#}. Players hold their fists closed and count {#blank#}5{#/blank#} three before making a fist (rock), a flat hand (paper) or two fingers (scissors).Paper covers rock, scissors {#blank#}6{#/blank#} paper and rock breaks scissors.

    Players have different opinions about the history of the game, but it is commonly believed to have been played {#blank#}7{#/blank#} centuries in Japan. The Paper Scissors Stone Club opened in England in 1842 and {#blank#}8{#/blank#} could play together there. In 1918, the name was {#blank#}9{#/blank#} to World RPS Club and its headquarters (总部) moved {#blank#}10{#/blank#} London to Toronto.