Seirawan chess
...that chess grandmaster Yasser Seirawan invented a new chess variant in 2007, Seirawan chess, which features two new pieces to the chess: elephant and hawk?
...that <a href="./Chess" id="mwCgo" rel="mw:WikiLink" title="Chess">chess</a> <a href="./Grandmaster_(chess)" id="mwCgs" rel="mw:WikiLink" title="Grandmaster (chess)">grandmaster</a> <a href="./Yasser_Seirawan" id="mwCgw" rel="mw:WikiLink" title="Yasser Seirawan">Yasser Seirawan</a> invented a new <a href="./Chess_variant" id="mwCg0" rel="mw:WikiLink" title="Chess variant">chess variant</a> in <a href="./2007" id="mwCg4" rel="mw:WikiLink" title="2007">2007</a>, <b id="mwCg8"><a class="mw-redirect" href="./Seirawan_chess" id="mwChA" rel="mw:WikiLink" title="Seirawan chess">Seirawan chess</a></b>, which features two new pieces to the chess: <i id="mwChE">elephant</i> and <i id="mwChI">hawk</i>?