Pedzisa mutsara unotevera: Dalton akatambira chikwata chenyika mitambo 252 pakati pa 1983 na 1994. Makwikwi ake neOpals anosanganisira makwikwi mana eWorld Championship - 1983,
1986, 1990 uye 1994 - uye Mitambo yeOlympic miviri; 1984 uye 1988.