WTF is My Gear Score?

#	Class	Name	Guild	Score
1	monk	Hulao	dont ape you release	18,040
2	mage	Eleen	Public Enemy	17,404
3	death knight	Yimyâm	Engel in Zivil	17,321
4	paladin	Tanrel	Hakuna Matata	17,234
5	mage	Discordius	Perfect Insanity	17,209
6	death knight	Tommynator	De Sackbauer	17,091
7	hunter	Arkasia	Cause we can	17,065
8	hunter	Yamyim		12,860
9	paladin	Jumpy	Socius Fortis	9,666
10	hunter	Theobaldus	Mercenaries	5,396
11	death knight	Perit		5,303
12	death knight	Ergoler		3,614
13	mage	Mexx		2,643
14	druid	Carlyundsam	Schlafwandler	2,509
15	paladin	Borelias	Lumpensammler	1,782
16	mage	Bernhardsölk	Lumpensammler	1,193
17	shaman	Elcativo	Revenge of Alliance	907
18	rogue	Xfeetunder		253