<my-pairings v-show="display=='pairings'" :players="players" :write-score-to-db="writeScoreToDb"></my-pairings>
<my-timer v-show="display=='timer'" @clockover="display='pairings'"></my-timer>
<my-pairings v-show="display=='pairings'" :players="players" :write-score-to-db="writeScoreToDb"></my-pairings>
<my-timer v-show="display=='timer'" @clockover="display='pairings'"></my-timer>