<p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US">1. Qh8 1... Bxc1 2.Qa1#, 1...Kxa4 2.Qa8#, 1... </span>Ka2 2.Qxb2#<span lang="EN-US"> </span></p><p></p> <p></p> <p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US">Queen at all corners of a chessboard. </span>(Author)<strong><font size="6"><span lang="EN-US" style="font-family: Arial; font-size: 9pt;"> </span></font></strong></p><p></p><strong><font size="6"> </font></strong><p></p>