ELF Fighter
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Attributes:
12 Str
16 Dex(16+2 racial
14 Con(14 -2 Racial)
14 Int
14 Wis
8 Cha
Fighter(OPEN) 1 Weapon Finnesse, Education
Fighter 2 Imp Weapon Familiarity
Fighter 3 Weapon Focus(Elven Courtblade)
Fighter 4 Weapon Specialization(Elven Courtblade)
Fighter 5
Fighter 6 Knowledge Devotion, Improved Unarmed Strike
Fighter 7
Fighter 8 Superior Unarmed Strike
Fighter 9 Versatile Unarmed Strike
Fighter 10 Melee Weapon Mastery(Slashing)
Fighter 11
Fighter 12 Combat Reflexes, Robilars Gambit
Fighter 13
Fighter 14 Combat Expertise
Fighter 15 Greater Weapon Focus(Courtblade)
Fighter 16 Overpowering Attack (PHB II)
Fighter 17
Fighter 18 Greater Weapon Specialization(Courtblade), Weapon Supremacy(Courtblade)
Fighter 19
Fighter 20 Sense Weakness
You will need to do your own equips, but I would start with something like a Large sized Elven Courtblade
*not my original build
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edit: A non-core wouldnt be as hard. Some of those feats are probably not core but what ever
its straight fighter so thats pretty core only haha