<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES">Solution </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES">1.Nxd7</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES" style="color: red;">1.Ng8? dxc6 2.Nd7 Ne4 3.Be5 Nc5+ 4.Nxc5 Rxe5 5.Na4 Kb8–+</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES" style="color: red;">1.cxd7? Nb7+ 2.Kb5 Rxf6 3.Ng8 Re6 4.Nxc4 f4–+</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES">1...Rxf6 2.Nxf5 </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES" style="color: red;">2.Nxf6? c3 3.Nxf5 c2 4.Nxd6 c1Q 5.Nd7 Qxc6+ 6.Nb6+ Kb8–+</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES" style="color: red;"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES">2...Rxf5 3.c7 Nc8 </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES" style="color: green;">3...Rb5 4.c8Q+ Nxc8 5.Kxb5 c3 6.Ne5=</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES"> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="ES"><span> </span>4.Nb6+ Nxb6 5.c8Q+ Nxc8= Stalemate</span></b></span></div>