<div class='user_solution'><style> &lt;!-- /* Font Definitions */ @font-face {font-family:&quot;Cambria Math&quot;; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:0; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:-536870145 1107305727 0 0 415 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-unhide:no; mso-style-qformat:yes; mso-style-parent:&quot;&quot;; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:&quot;Times New Roman&quot;; mso-fareast-font-family:&quot;Times New Roman&quot;;} .MsoChpDefault {mso-style-type:export-only; mso-default-props:yes; font-size:10.0pt; mso-ansi-font-size:10.0pt; mso-bidi-font-size:10.0pt;} @page WordSection1 {size:612.0pt 792.0pt; margin:70.85pt 70.85pt 70.85pt 70.85pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.WordSection1 {page:WordSection1;} --&gt; </style> <span style="text-align:justify;display:block;" class="MsoNormal"><b>1…</b> <b>Nc1+!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1…Nxa5+? 2.Ka2+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>2.Bc3! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">2.Ka4? Rd4+ 3.Bb4 Rbxb4 (3…Rdxb4+? 4.Ka5 +-) 4.Ka5 Nb3+ =</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>2…Rxc3+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">2...Rb3+ 3.Ka4 +-</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>3.Ka4 Rc4+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">3…Ra1+ 4.Kb4 (4.Kb5 Rb1+ 5.Ka4 Ra1+ 6.Kb4 is a loss of time since after 5.Ka5? Black has 5…Ra1+! 6.Qa4 Nb3+! [not 6…Rxa4+? 7.Kxa4 +-] 7.Kb4 Rxa4+ 8.Kxa4 Nc5+ 9.Ka3 Rxb7 10.c8=Q and draws thanks to 10…Ra7+! 11.Kb4 Nd3+! 12.Kc3 Nf4! 13.Qf5+ Ng6) 4… Na2+ 5.Ka5! and White wins (not 5.Kb5? Rb1+ 6.Ka5 Ra3+ 7.Qa4 Rxa4 8.Kxa4 Nc3+ 9.Ka5 Ra1+ 10.Kb6 Nd5+ 11.Kc6 Nxc7 12.b8=Q Ne6! =).</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>4.Ka5 Nb3+!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>5.Kb5!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">5.Ka(b)6? Nc5+ 6.Ka7 Rxb7+ =</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>5…Nd2+!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>6.Ka6</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">6.Ka5(?) Nb3+ 7.Kb5 Nd2+ 8.Ka6 is a loss of time.</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>6…Ra1+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>7.Kb6</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7.Kb5(?) Rb1+ 8.Ka6 Rb1+ 9.Kb6 is another loss of time.</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>7…Rb1+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>8.Qb5!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">8.Ka7? Rxc7 9.Qh5+ Kg8! 10.Qe8+ Kh7 or 10.Qd5+ Rf7=</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>8…Rxb5+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">8…Rcb4 9.Qxb4! +- (9.c8=Q? Rxb5+ and 10…Rxb7 =)</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>9.Kxb5 Rxc7</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>10.b8=Q Rf7</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>11.Qh2+ +- </b>and not<b> </b>11.Qe5? Nf3! nor 11.Qe8 ? Rf5+ =<b> </b></span></div>