<div class='user_solution'><p class="MsoNormal"><b><span>1.Rb2! </span></b></p> <p class="MsoNormal"><span>[1.d7?? Nf5+! 2.Ke6 b2+–+] </span></p> <p class="MsoNormal"><b><span>1...Qxb2 </span></b></p> <p class="MsoNormal"><b><span>2.d7 Ne6! </span></b></p> <p class="MsoNormal"><span>[2...Nf5+ 3.Ke6 Ng7+ <i>(3...Bf6 4.Kxf6+-) </i></span></p> <p class="MsoNormal"><span>4.Kf7/Kd5 Ne6! 5.Kxe6+- see mainline] </span></p> <p class="MsoNormal"><b><span>3.Kxe6 Bf6! </span></b></p> <p class="MsoNormal"><b><span>4.Kxf6 d3+ </span></b></p> <p class="MsoNormal"><b><span>5.Nc3 </span></b><span>self-pin and unpin of the bRb4 </span></p> <p class="MsoNormal"><b><span>5...Rd4 </span></b><span>unpin of the wNc3 </span></p> <p class="MsoNormal"><b><span>6.Nd5+ Kxa4 </span></b></p> <p class="MsoNormal"><b><span>7.Qa5+! Kxa5 </span></b></p> <p class="MsoNormal"><b><span>8.d8Q+ </span></b><span>Phoenix </span></p> <p class="MsoNormal"><b><span>8...Ka4 9.Qa8# </span></b><span>model mate</span><span lang="IT"></span></p></div>