Stefán Kristjánsson
... that Icelandic chess grandmaster Stefán Kristjánsson was also a successful poker player?
... that Icelandic chess grandmaster <b id="mwBnU"><a href="./Stefán_Kristjánsson" id="mwBnY" rel="mw:WikiLink" title="Stefán Kristjánsson">Stefán Kristjánsson</a></b> was also a successful poker player?