private void achievementPost()
{
if ( lastChannels != channelsInUse && AEConfig.instance.isFeatureEnabled( AEFeature.Channels ) )
{
Achievements currentBracket = getAchievementBracket( channelsInUse );
Achievements lastBracket = getAchievementBracket( lastChannels );
if ( currentBracket != lastBracket && currentBracket != null )
{
Set<Integer> players = new HashSet<Integer>();
for (IGridNode n : requireChannels)
players.add( n.getPlayerID() );