<div class='user_solution'><p class="MsoNormal"><b><span lang="EN">Themes: Mutual zugzwang and elimination of the threat of stalemate in the black counterplay</span></b></p> <p class="MsoNormal"><b> </b></p> <span class="MsoNormal" style="text-align:justify;display:block;"><b>1.Nf2+ exf2 2.Qb4 Rd1+ 3.Rxd1 Bc4+ </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">3...Qe3 4.Qe4+ Qxe4 5.Kxf2+ Qe1+ 6.Rxe1#</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>4.Qxc4 f3 5.Qe4! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">5.Qd3? Qe3 6.Ra1 <i>(6.Qxe3 </i>stalemate<i>) </i>6...Qc1+ 7.Kxf2 <i>(7.Rxc1 </i>stalemate<i>) </i>7...Qg1+ 8.Kxf3 Qxa1=</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>5...Qb3 6.Rc1! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">6.Ra1? Qe3!= <b>Zugzwang</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>6...Qe3 </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">6...Qd1+ 7.Kxf2+-</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>7.Ra1! </b><b>Zugzwang</b> </span> <span class="MsoNormal" style="text-align:justify;display:block;">7.Qxe3? stalemate</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>7...Qc1+ </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><span>7...Qe2+ 8.Qxe2 fxe2+ 9.Kxf2+ e1Q+ 10.Rxe1#<b> </b></span></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>8.Kxf2 Qxa1</b> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>8...Qg1+ 9.Kxf3 Qxa110. Kf2#</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i> </i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>9.Qxf3#</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <p class="MsoNormal"><span style="font-size: 10pt; font-family: &quot;FigurineCB AriesSP&quot;;"> </span></p></div>