<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b>Theme: elimination of threats positional draw, and stalemate, through the coronation of rook</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u><span style="text-decoration: none;"> </span></u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>After A. Troiski Vechernyaya Moskva 1933</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.Ng5</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1.g8Q? Qxg8 2.Kd7 bxa5 3.e8Q+ Qxe8+ 4.Kxe8 Kxe4=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1...Qc8</u>+ </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1...Qd5+ 2.Kc7/d7+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>2.Kxb6 Kf6 3.Nc3</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 3.Nb4? Qb8+ 4.Kxa6 Qa8+ 5.Kb5 Qe8+! 6.Kc4 Qc8+! <i>(6...Kxg5? 7.Nd5 Kg6 8.Nc7 Qc6+ 9.Kd3+-) </i>7.Kd3 Kxg5! 8.Nd5 Qf5+! 9.Kc3 Qe5+ 10.Kc2 Qf5+ 11.Kb2 Qf2+ 12.Ka3 Qc5+ 13.b4 Qc1+= <b>positional Draw.</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">or 3.Ne4+? Kxe7 4.Nac3 Qb8+=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>3...Qb8</u>+ </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">3...Kxg7 e.g. 4.Nd5 Qc5+ 5.Kxa6 Qc6+ 6.Ka7 Qxd5 7.Bc3+ Kh6 8.e8Q+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>4.Kxa6</u></b> </span> <span style="text-align:justify;display:block;" class="MsoNormal">4.Kc6? Qe8+ 5.Kd5 Kxe7 6.Nce4 Qg8+ 7.Kc6 Qa8+ 8.Kb6 Qb8+ 9.Kxa6 Qxb3=</span><span style="text-align:justify;display:block;" class="MsoNormal"><br /></span><span style="text-align:justify;display:block;" class="MsoNormal"></span><span style="text-align:justify;display:block;" class="MsoNormal"> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>4...Kxe7</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">4...Qa8+ 5.Kb5+-</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>5.Bd8+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 5.Nd5+? Kd7 6.g8N <i>(</i>or <i>6.Ne4 Qa8+ 7.Kb6 Qb8+ 8.Ka6 Qa8+ </i>Draw<i>) </i>6...Qa8+ 7.Kb6 Qb8+ 8.Ka6 Qa8+= <b>positional Draw</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>5...Qxd8 6.Nd5 Kd7 7.g8R</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7.g8Q Qa8+ 8.Qxa8 <b>stalemate</b> ; or <i>8.Kb5 Qc6+ 9.Ka5 Qb5 10.Kxb5 </i><b>stalemate</b><i> </i></span> <span style="text-align:justify;display:block;" class="MsoNormal"><i> </i></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>7...Qxg8 8.Nf6</u>+- </b></span> </span></div>