ikeymans@aol.com asked:
if he drink revi'is one is not yotzei kidush bimkom seudah?
The Kollel replies:
For Kidush Raba (Kidush during the day, as opposed to Kidush on Friday night), which is mid'Rabanan, b'Di'eved one is Yotzei Kidush b'Makom Se'udah by drinking a full Shi'ur of wine. (SHULCHAN ARUCH 273:5; MISHNAH BERURAH 273:21,22)