<div class="user_solution" style="line-height: 16px;"><div><b><u>1.c7!</u> </b> (2.Sc6+<span style="background-color: rgb(0, 255, 255);"> A</span> Kd5 3.fxe4#<span style="background-color: rgb(0, 255, 255);">B ,</span>Se3#<span style="background-color: rgb(0, 255, 255);"> C).</span></div><div><span style="background-color: rgb(0, 255, 255);"><br /></span></div><div><span style="background-color: rgb(241, 101, 34);">Main variations:</span></div><div><span style="background-color: rgb(241, 101, 34);"><br /></span></div><div>1... Rxh5 2.fxe4 <span style="background-color: rgb(0, 255, 255);">B </span>~  3.Sc6#<span style="background-color: rgb(0, 255, 255);"> A,</span></div><div>1…e3+ 2.Sxe3<span style="background-color: rgb(0, 255, 255);"> C </span>~  3.Sc6# <span style="background-color: rgb(0, 255, 255);">A.</span></div><div><br /></div><div><span style="background-color: rgb(0, 255, 0);">Fringe variations:</span></div><div><span style="background-color: rgb(0, 255, 0);"><br /></span></div><div>1…exf3 2.Sc6+ Ke4 3.Bxf3#, </div><div>1…Sg5 2.Sc6+ Kxf5 3.Se3#.</div><br /></div><div class="user_solution"> </div><br />