<div class='user_solution'><p class="MsoNormal"><b>1.</b><b><span lang="EN-US">Qc</span>5+</b> (1.<span lang="EN-US">Qe</span>3+ {?} 1...<span lang="EN-US">Ka</span>8 2.<span lang="EN-US">Nc</span>6 <span lang="EN-US">Bxc</span>6 {=}) </p> <p class="MsoNormal">1<b>...</b><b><span lang="EN-US">Ka</span>8</b> (1...<span lang="EN-US">Kb</span>7 2.<span lang="EN-US">Qb</span>6+ {+_})</p> <p class="MsoNormal"><b>2.</b><b><span lang="EN-US">Kb</span>6</b> (2.<span lang="EN-US">Nc</span>6 {?} 2...<span lang="EN-US">Bxc</span>6 3.<span lang="EN-US">Kb</span>6 <span lang="EN-US">Qd</span>8+ {=})</p> <p class="MsoNormal"><b><span lang="EN-US" style="color: red;">a)</span></b><b><span lang="EN-US"> 2...Qa4</span></b><span lang="EN-US"> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">3.Nc6</span></b><span lang="EN-US"> <b>Qb3+</b> (3...Bc8  4.Kc7 Qa6 5.Na5 Bh3 6.Qf8+ {+-}) <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">4.Nb4</span></b><span lang="EN-US"> (4.Kc7 {?} 4...Qb7+ 5.Kd6 Bc8 {=}) <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">4...Qa4</span></b><span lang="EN-US"> {unpin}<o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">5.Kc7 Qb5</span></b><span lang="EN-US"> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">6.Qxb5 Bxb5</span></b><span lang="EN-US"> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">7.d6 Be8</span></b><span lang="EN-US"> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">8.Nc6</span></b><span lang="EN-US"> <span style="color: rgb(0, 112, 192);">{zz+-} </span>+-<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="color: red;">b)</span><b><span lang="EN-US">2...Qf6+</span></b><span lang="EN-US"> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">3.Kc7!<o:p></o:p></span></b></p> <p class="MsoNormal"><span lang="EN-US">(3.Nc6 {? selfpin position 1} 3...Qb2+ 4.Kc7 Qb7+ 5.Kd6 Bc8<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US"> 6.Qa5+ Qa6 {selfpin-pin} 7.Qb4 {unpin} 7...Qb7 {unpin position draw=}  7. ..Bb7? 8.Kc7! unpin +- ) <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">3...Qe5+<o:p></o:p></span></b></p> <p class="MsoNormal"><span lang="EN-US"> 4<b>.Kd8</b> (4.Kxd7 {?} 4...Qc7+ 5.Kxc7 <span style="color: rgb(0, 112, 192);">{stalemate=}) </span><b>4...Qb8+</b> <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">5.Nc8</span></b><span lang="EN-US"> {selfpin position 1a} <b>5...Bxc8</b> (5...Bb5 6.d6 {+-}) <o:p></o:p></span></p> <p class="MsoNormal"><b><span lang="EN-US">6.Qxc8</span></b><span lang="EN-US"> {selfpin-pin+-}) <a name="_GoBack"></a><o:p></o:p></span></p></div>