ANTIGUA AND BARBUDA – South Africa edged the West Indies by three wickets in a rain-affected Super Eights match on Sunday to reach the T20 World Cup semi-finals and eliminate the hosts.Chasing a revised 123 off 17 overs, South Africa stuttered to 110-7 as Roston Chase took three wickets, but they reached their target when Marco Jansen hit the first ball of the final over for six.Man of the match Tabraiz Shamsi took 3-27 after South Africa won the toss and restricted the West Indies to 135-8 at the Sir Vivian Richards Stadium in Antigua.All-rounder Chase top scored with 52, featuring in an…