<div class='user_solution'><span class="MsoNormal" style="text-align:justify;display:block;"><b>1.b8Q! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">1.c7? c2! 2.c8Q c1Q+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>1...Na6+ 2.Kd6 Nxb8 3.c7 b2 </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">3...Nd7?? 4.c8Q! mate in 11 moves; or 3...c2 /Nc6?? 4.c8Q! mate in 12 moves</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>4.c8Q!! </b>It does not capture the knight! </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>Try thematic :</b> 4.cxb8Q? b1Q 5.Qb7+ Kg6 mate in 21 moves with similar figure to solution (1)</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>4...b1Q 5.Qh3+ Kg6! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">5...Kg8?? 6.Qe6+ mate in 18 moves</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>6.Qg4+ Kf7! 7.Qe6+ Kf8 8.Qe7+ Kg8 9.Qe8+ Kg7 10.Bd4+ Kh6 11.Be3+ Kg7 12.Qe7+! </b>Try :<span>  </span>12.Qe5+? Kh7 13.Qh5+ Kg8 14.Qg4+ Kh7 15.Qh3+ Kg6 16.Qh6+ Kf7 17.Qe6+- mate in 20 moves with similar figure to solution (1)</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>12...Kg6 13.Qe6+ Kh5 14.Qh3+ Kg6 15.Qh6+ Kf7 </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">15...Kf5?? 16.Qe6#</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>16.Qe6+ Kg7 </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">16...Kf8?? 17.Bh6#</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>17.Bd4+ with :</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>17...Kf8 18.Qe7/f6+ Kg8 19.Qg7# mate<span></span></b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>17…Kh7 18.Qf7+ Kh6 19.Be3# </b><b>mate<span> (1)</span></b></span> <p class="MsoNormal"> </p></div>