<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b><u>Thematic</u>: Elimination of threat of stalemate in Black's counterplay with the promotion of minor piece</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.Nh3</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">1.Rxd8? Rf1+ 2.Ke5 Kxh6= or 1.h7? Rf1+ 2.Kxe4 Bf6=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1...Rf1+ 2.Nf4+ Rxf4+ 3.Kxf4 g2</u> <span> </span>( </b>3...Bg5+ 4.Kxg3 Kxh6 5.Rb6+-)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>4.e7 </u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal">4.h7? Bg5+ 5.Kxe4 g1Q 6.h8Q+ Kg4 7.Rd4 Qxc1=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>4...Bxe7</u><span>    </span>(</b>4...g1Q 5.exd8Q Qxc1+ 6.Kf5 Qf1+ 7.Ke5+-)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>5.h7 Bxd6</u>+ (</b>5...Bg5+ 6.Kf5+-)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>6<u>.Kxe4 Bc6</u>+ (</b>6...Kg4 7.h8Q Bc6+ 8.Kd3!+-)</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>7.Kf5 Be4</u>+! (</b>7...Bd7+ 8.Kf6 Kg4 9.h8Q+-)</span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>8.Kxe4 Be5! 9.Kxe5 g1Q 10.h8R</u>+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">Thematic Try : 10.h8Q+ Kg4 11.Qg8+ Kf3 12.Qxg1 <b>stalemate</b> (or 12.Qd5+ Kf2 13.Nd3+ Kg3 14.Qg8+ Kh2 15.Qh7+ Kg3 16.Qg6+ Kh2 17.Qh5+ Kg3 18.Qg5+ Kh2 19.Qh4+ Kg2 20.Ke4 Qb1!= <i>(</i>Not <i>20...Qh1? 21.Qf2+ Kh3+ 22.Ke3 Qa8 23.Nf4+ Kg4 24.Qg1+ Kh4 25.Qh2+ Kg5 26.Qh5+ Kf6 27.Qg6+ Ke7 28.Qg7+ Kd6 29.Qd4+ Kc7 30.Ne6++-) </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>10...Kg4 11.Rg8+ Kf3 12.Rxg1</u>+-</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Comment: A similar figure of elimination of the threat of stalemate can be seen in the study of E. Rinck-Feuille d'Avis de Lausanne –1931 (e5-h5). But the introduction and Black's counterplay is different<span> </span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span></div>