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a British journalist, [https://en.wikipedia.org/wiki/Correspondence_chess Correspondence Chess] Senior International Master <ref>[http://www.iccf-webchess.com/PlayerDetails.aspx?id=211655 SIM Williamson, Harvey D - Player Details] from [http://www.iccf.com/content/index.php International Correspondence Chess Federation]</ref> and computer chess expert. As [[:Category:Opening Book AuthorsAuthor|opening book author]] and operator, Harvey is member of the [[HIARCS]] team around [[Mark Uniacke]], representing HIARCS at various [[World Computer Chess Championship|World Computer Chess Championships]], [[Dutch Open Computer Chess Championship|Dutch Open Computer Chess Championships]] and [[International CSVN Tournament|International CSVN Tournaments]]. Harvey is along with [[Robert Hyatt]] and [[Mark Lefler]] member of the [[Who's Who|Secretariat]] of [[ICGA Investigations]].