<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b>After Luigi Centurini -The Chess Player's Chronicle - 1853 (a5-a1)</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.d6</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1.Kh4? g2!=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1...cxd6 2.Kh4 g2</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">2...Qd4 3.Kh3 Qg7 4.Qe8+ Qg8 5.Qe7 g2 6.Qf6+ Qg7 7.Qh4+ Kg8 8.Be6+ Kf8 9.Qd8#</span> <span style="text-align:justify;display:block;" class="MsoNormal">2...d5 3.Qe8+ Qg8 4.Qh5+ Kg7 5.Qg6+ Kh8 <i>(5...Kf8 6.Qd6+-) </i>6.Qh6+ Qh7 7.Qxh7#; 2...Qf8 3.Qg6 Qe7+ 4.Kh3 g2 5.Qh6+ Kg8 6.Be6+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>3.Qe8+ Qg8 4.Qh5+ Kg7 5.Qg6+ Kf8 6.Qxd6+ Kg7 7.Qe5+ Kf8</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7...Kh6 8.Qf6+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>8.Qxc5+ Kg7</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">8...Ke8 9.Qc8+ Kf7 10.Be6+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>9.Qd4+ Kf8 10.Qxb4+ Kg7</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">10...Ke8 11.Qb8+ Kf7 12.Be6+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>11.Qb2+ Kf8 12.Qa3+ Kg7 13.Qa1+ Kf8</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">13...Kf7 14.Be6+ Kxe6 15.Qa2+-Pin</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>14.Qa8+ Kg7 15.Qxg2+ Kh8</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">15...Kf8 16.Qa8+ Kg7 17.Qa1+ Kf8 18.Qa3+ Kg7 19.Qc3+ Kf8 20.Qc5+ Kg7 21.Qe5+ Kf8 22.Qd6+ Kg7 23.Kg5 Kf7+ 24.Bg6+ Kg7 25.Qf6#</span> <span style="text-align:justify;display:block;" class="MsoNormal">15...Kh6 16.Qc6+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>16.Qb2+ Qg7 17.Qb8+ Qg8 18.Qe5+ Qg7 19.Qe8+ Qg8 20.Qh5+ Kg7 21.Qg6</u>+ </b>21.Qg5+? Kf8 22.Qd8+ Kg7 23.Qd4+ Kf8 24.Qd6+ <span class="hps"><span lang="EN">It</span></span><span class="shorttext"><span lang="EN"> </span></span><span class="hps"><span lang="EN">is</span></span><span class="shorttext"><span lang="EN"> </span></span><span class="hps"><span lang="EN">a waste of time</span></span><span class="shorttext"><span lang="EN"> </span></span><span class="hps"><span lang="EN">compare</span></span><span class="shorttext"><span lang="EN"> </span></span><span class="hps"><span lang="EN">with</span></span><span class="shorttext"><span lang="EN"> </span></span><span class="hpsatn"><b><span lang="EN">(</span></b></span><span class="shorttext"><b><span lang="EN">1)</span></b></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>21...Kf8 </u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal">21...Kh8 22.Qh6+ Qh7 23.Qxh7#</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>22.Qd6 (1) Kg7 23.Kg5 Qc4 24.Qf6+ Kg8 25.Be6</u>+-</b></span></div>