WTF is My Gear Score?

#	Class	Name	Guild	Score
1	rogue	Zikli	Slack	21,291
2	druid	Heppis	Slack	21,280
3	paladin	Omgwth	Slack	21,238
4	druid	Luontojäbä	Slack	21,232
5	paladin	Leviculus		20,830
6	paladin	Miceryn	Retkikunta	20,806
7	mage	Aqrippa	Slack	20,700
8	death knight	Caralys	Memento	20,532
9	shaman	Vatsa		19,900
10	mage	Quiz	Arcaos	19,783
11	paladin	Tourniquet	Colour	19,772
12	rogue	Joac	Exploding Labrats	19,287
13	mage	Threat	Tony Halme Pro Skater	19,280
14	monk	Enthycia	Sydäntalvi	19,241
15	mage	Dellangel	Nil Sine Labore	19,073
16	paladin	Craise	Unity	18,951
17	druid	Vahtae	Tony Halme Pro Skater	18,355
18	hunter	Wargusen		18,338
19	shaman	Hilsu	YARR	17,944
20	mage	Txt	Slack	17,852
21	priest	Quenyá	Power Word Perkele	17,491
22	priest	Zubbi	ODZ	17,003
23	druid	Ntv		13,150
24	mage	Maggma	Slack	13,145
25	death knight	Freddan	Seven Sins	12,675