what day9's pro week for toss, he discusses the exact same thing ... although most of the games are against zerg, i think the build goes, gate-core-gate-xpo-gate-stargate..
very effective ... gives you map control , i think the units u have will give enough deff to hold on , against 4gate,
btw its ogsMC's build... rule the skies,
or you could do what most toss do in GM KR server, they just put pressure , with 3gate, and lock up the opponents ramp with fields, then expos , once he gets blink , u have xpo and maybe 5-6 gate.. he might have colosi , but , u would ahve too many gateway units ,
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