Michael Tabor and Susan Magnier's Black Sam Bellamy is beginning to show the form everyone expected from the full brother of Galileo after winning Sunday's Tattersalls Gold Cup (Ire-I) at The Curragh. The 4-year-old, who also won his first start of the year at Leopardstown in March, gave trainer Aidan O'Brien one of the few Group I European races he had not yet claimed.Black Sam Bellamy romped by eight lengths at odds of 6-1 in the 1 1/4-mile test .Tracking Narrative in second for a mile, jockey Michael Kinane sent Black Sam Bellamy to the front on the turn for home. He pulled clear in the final stages as Godolphin's Highdown came on for second. His stablemate Narrative held on for third by a neck over In Time's Eye. Eight started.Favored Burning Sun was fifth after chasing the first two most of the way.