<div class="docpara " style="line-height: 1.35; margin-bottom: 10pt; margin-top: 0px;"><span class=" f3">1.Qh5+? </span><span class=" f3"><br /></span><span class=" f3">1...Kd4</span><span class=" f3"> 2.Qd1+</span><span class=" f3"> </span><span class=" f3">Ke5 3.Sc4+ Kf5 4.Qh5#    </span><span class=" f3"><br />but 1...Rf5!</span><span class=" f3"><br /></span><span class=" f3"><br />1.Qh8+? </span><span class=" f3"><br /></span><span class=" f3">1...Rf6</span><span class=" f3"> + 2.Q*f6+ K*d5 3.Sc3+ </span><span class=" f3">K</span><span class=" f3">c5 4.Qb6# </span><span class=" f3"><br />but 1...K*d5!</span><span class=" f3"><br /></span><span class=" f3"><br />1.Bc4? </span><span class=" f3">zugzwang</span><span class=" f3">.</span><span class=" f3"><br />1...Kf5 2.Qh5+ K*e4 3.Qd5+ Ke3 4.Sd1# </span><span class=" f3"><br />1...Kd4 2.Qd2+ K*e4 3.Qd5+ Ke3 4.Sd1# </span><span class=" f3"><br />but 1...K*e4!</span><span class=" f3"><br /></span><span class=" f3"><br />1.Bb7? </span><span class=" f3">zugzwang</span><span class=" f3">.</span><span class=" f3"><br />1...Kf5 2.Qh5+ Ke6 3.Qe8+ Kf5 4.Bc8# </span><span class=" f3"><br />but 1...Ke6!</span><span class=" f3"><br />     </span><span class=" f3"><br /></span><span class=" f3">1.Bc6!</span><span class=" f3"> </span><span class=" f3">threat</span><span class=" f3">: 2.Sc4+ Kd4 3.Qd2+ </span><span class=" f3">K</span><span class=" f3">*c4 4.</span><span class=" f3">Qc3# </span><span class=" f3"><br />   </span><span class=" f3"> </span><span class=" f3">2...Kf5</span><span class=" f3"> 3.Qh7+ Ke6 4.Qd7# </span><span class=" f3"><br />     </span><span class=" f3"> </span><span class=" f3">3...Kg4 4.Se5# </span><span class=" f3"><br /> </span><span class=" f3"> </span><span class=" f3">  2...Ke6 3.Q*f4 </span><span class=" f3">threat</span><span class=" f3">:</span><span class=" f3"> </span><span class=" f3">4.Qf6# </span></div><div class="docpara " style="line-height: 1.35; margin-bottom: 10pt; margin-top: 0px;"><span class=" f3"><br /></span><span class=" f3">1...Kf5</span><span class=" f3"> 2.Qh5+ Ke6 3.Qe8+ Kf5 4.Bd7#  </span></div><br />