<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b>Themes:a) Domination QB vs.Q ; b) Final culminating in matte; c) Elimination of the threat of stalemate in the black counterplay</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span><b> </b> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.e7</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1.Qb7? Qf8+ 2.Kg6 Qe8+=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1...Qxe7 2.Be6+ Kf8 3.Qc8</u>+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Thematic Try :</b> 3.Qxf1+? Nf3! 4.Qxf3+ Ke8 5.Qc6+ Kf8 6.Qc8+ Qe8 7.Qc5+ Qe7 8.Qf5+ Ke8 9.Qb5+ Kf8 10.Qb8+ Qe8 11.Qe5 Qxe6+! 12.Qxe6 stalemate</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>3...Qe8 4.Qc5+ Qe7 5.Qf5+ Ke8 6.Qb5+ Kf8</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">6...Kd8 7.Qb8# mate (1)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>7.Qb8+ Qe8 8.Qe5 Qa4</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">8...Qc6 9.Qf6+ Ke8 10.Bf7+ Kd7 <i>(10...Kf8 11.Qxc6+-) </i>11.Be8+ pin</span> <span style="text-align:justify;display:block;" class="MsoNormal">8...Qe7 9.Qh8# mate (2)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>9.Qc5+ Ke8 10.Kg7! Qa1+ 11.Kg8 Qf6</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">11...Qa6 12.Qf8# mate (3)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>12.Qb5</u></b><u>/c6 <b>Ke7 13.Qd7</b></u><b># </b>mate (4)</span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 10pt; font-family: &quot;FigurineCB AriesSP&quot;;"> </span></span> <p class="MsoNormal"><span style="font-size: 10pt; font-family: &quot;FigurineCB AriesSP&quot;;"> </span></p> <p class="MsoNormal"><b> </b></p></div>