<div class='user_solution'><p class="MsoNormal">Solution: <br /></p><p class="MsoNormal"><span> </span><span> </span><span> </span><span> </span><span> </span><span> <br /></span></p> <span style="text-align:justify;display:block;" class="MsoNormal"><b>1.Ne3+ Kxd4 2.Nxg4 Qxg5</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="color: green;">2...hxg5 3.Nxf6 gxf6 4.a5 g4 5.a6 g3 6.hxg3 h3</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: black;">In this line if</span><span style="color: green;"> 6...hxg3 7.a7 g2 8.a8Q g1Q 9.Qxd5+ Kc3 <i>(9...Ke3 10.Qxc5++-)</i>10.Nb5+! Kc2 11.Nxa3+ Kc1 12.Qxe4 Qg8+ 13.Nc4+-</span> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: green;"> </span><b><span style="color: green;">7.a7 h2 8.a8Q h1Q 9.Qxd5+ Ke3 10.Qc4</span> Q<span style="color: green;">e1 11.Nd5+ Kf2 12.Nc3 f5 13.Qxc5+ Kxg3 14.Kxa3 Qd2 15.Kb3+- </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="color: green;">2...Qf1 3.Nb5+ Kc4 4.Ne3+ Kb4 5.Nxf1+-</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: green;"> </span><br /><b>3.Ne6+ Kc4 4.Nxg5 hxg5 5.Kxa3 d4 6.Ne5+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: green;">6...Kd5 7.a5 Kd6 8.Kb3+-</span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="color: green;"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>6…Kc3 7.a5 c4</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: green;">7...d3 8.exd3 e3 9.a6 e2 10.Nf3 g4 11.Ne1 Kd2 12.a7 Kxe1 13.a8Q g3 14.hxg3!+- e.g.14… Kd1 15.Qf3 h3 16.Kb2 h2 17.d4 cxd4 18.Qc6 e1Q 19.Qc2# </span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="color: green;"> </span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>8.Nxc4!+- </b></span> <span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;; color: red;">8.a6? d3 9.exd3 cxd3 10.a7 d2 11.a8Q d1Q 12.Qc6+ Kd2 13.Qxe4 Qc1+= </span></div>