<div class='user_solution'><span class="MsoNormal" style="text-align:justify;display:block;"><b>Theme: Elimination of the threat of stalemate in the counterplay of black </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>1.d4! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">1.g6+? Kh8 2.Ba5 Nf8=</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>1...Qxc2 2.g6+ Kh8 3.Ba5 e1Q 4.Bxe1 </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">4.Nd6+? Nd8+! 5.Bxe1 Qc7+=</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>4...Nf8! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>main1 :</b> 4...Qe4 5.Nc7+ Nf8+ 6.Kd6! <i>(6.Kxf8 Qxa8+ 7.Nxa8 </i><b>stalemate</b><i>) </i>6...Qxd4+ 7.Nd5!+-</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>5.Rd8! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">5.Nd6? Qc7+ 6.Kxf8 Qd8+ 7.Rxd8 <b>stalemate</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>5...Qe4+ </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">5...Qe2+ 6.Kxf8 Qf2+ 7.Ke7 <i>(7.Nf6? Qxf6+ 8.Ke8 Qe6+=) </i>7...Qxe1+ <i>(7...Qe2+ 8.Kd7 Qb5+ 9.Kc7 Qc4+ 10.Kb6 Qb3+ 11.Ka5 Qa3+ 12.Kb5 Qd3+ 13.Kb4+-; or 7...Qf8+ 8.Kd7+-) </i>8.Kd7+-</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>6.Kxf8 Qxd4 7.Bh4! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">7.Nxg7? Qxd8+ 8.Ne8 Qf6+ 9.Nxf6 <b>stalemate</b></span> <span class="MsoNormal" style="text-align:justify;display:block;">7.Bc3? Qd6+! 8.Kf7 Qd7+ 9.Rxd7 <b>stalemate</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>7...Qd6+ </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>main 2 :</b> 7...Qxh4 8.a8Q Qxd8 9.Qe4! Qd5 10.Qh4! Qe6 11.Qd8 Qd5 12.Qc7 Qd7 13.Qe5 Qf5+ 14.Qf6 Qf3 15.Qf7 Qa3+ <i>(</i>or by another route <i>15...Qf4 16.Nf6 Qb4+ 17.Qe7 Qb8+ 18.Qe8+-) </i>16.Qe7 Qf3+ 17.Nf6 Qa8+ 18.Qe8 Qxe8+ 19.Kxe8 <i>(19.Nxe8? </i><b>stalemate</b><i>) </i>19...gxf6 20.Kf8/f7+-</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><span> </span><b>8.Be7! Qxd8 9.Bf6!+-wins</b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><span> </span></b>[9.Bxd8? <b>stalemate</b>] <b><span> </span></b></span></div>