The Australian gambler you're thinking of is most likely David Walsh, who made many millions by deploying similar systems in horse races across South East Asia;

The Australian gambler you're thinking of is most likely David Walsh, who made many millions by deploying similar systems in horse races across South East Asia; he is also noted as a collector of eccentric art. https://en.wikipedia.org/wiki/David_Walsh_(art_collector) https://en.wikipedia.org/wiki/David_Walsh_(art_collector)