$playermmr = "413";
switch ($playermmr) {
  case (0 < $playermmr):
  case (249 >= $playermmr):
    echo("Bronze");
    break;
  case (250 <= $playermmr):
  case (549 >= $playermmr):
    echo("Silver");
    break;
  case (550 <= $playermmr):
  case (749 >= $playermmr):
    echo("Gold");
    break;
  case (750 <= $playermmr):
  case (999 >= $playermmr):
    echo("Platinum");
    break;
  case (1000 <= $playermmr):
  case (1249 >= $playermmr):
    echo("Emerald");
    break;
  case (1250 <= $playermmr):
  case (1399 >= $playermmr):
    echo("Diamond");
    break;
  case (1400 <= $playermmr):
  case (1499 >= $playermmr):
    echo("One of the best");
    break;
  case (1500 <= $playermmr):
  case (1749 >= $playermmr):
    echo("Elite");
    break;
  case (1750 <= $playermmr):
  case (1999 >= $playermmr):
    echo("Extra Elite");
    break;
  case (2000 <= $playermmr):
    echo("Pro Player");
    break;