Good job, you played a match in the ladder.  For the record, here is what happened.

$var->w_fullname beat $var->l_fullname 3-$var->score.

$var->w_fullname went up in the ladder from $var->w_oldspot to $var->w_newspot.
$var->l_fullname went down in the ladder from  $var->l_oldspot to $var->l_newspot,