 Robson had another excellent performance in losing to 'Silverback' Tony O'Shea in the second round.Robson's biggest tournament win so far was at the World Darts Trophy in Utrecht, Netherlands.He beat Mervyn King 6-4 in the 2005 final, averaging 91.5 for three darts, which was a fair way below his averages during his aforementioned performances in the 2004 World Championship.