duel.js
function Id(bracket, round, match) {
  if (!(this instanceof Id)) {
    return new Id(bracket, round, match);
  }
  this.s = bracket;
  this.r = round;
  this.m = match;
}
function Id(bracket, round, match) {
  if (!(this instanceof Id)) {
    return new Id(bracket, round, match);
  }
  this.s = bracket;
  this.r = round;
  this.m = match;
}
function Id ( bracket , round , match ) { if ( ! ( this instanceof Id ) ) { return new Id ( bracket , round , match ) ; } this . s = bracket ; this . r = round ; this . m = match ; }
Id class - so each Id has an automatic string representation
Id class - so each Id has an automatic string representation