<div class="user_solution"><span class="MsoNormal" style="text-align:justify;display:block;"><b>Theme: positional draw. The elimination of the threat of domination of the queen against RB/RN </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>1.Nd1</u>+! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>Try:</b> 1.Na4+? Kxb3 2.Nxd4+ Kc4 3.Nxc2 Bg3+ 4.Kd1 Qxd7+ 5.Kc1 Qd2+ 6.Kb1 Qd1+ 7.Kb2 Be5–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>1...Kxb3 2.b8Q</u>+! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">2.Nxd4+? Kc4 3.Nxc2 Bg3+ 4.Nf2 e.g. 4...Bxf2+ 5.Kd1 Qxd7+ 6.Kc1 Qxb7 7.Ra4+ <i>(7.Rb1 Qd5–+) </i>7...Kc5 8.Ra5+ Kb6 9.Rh5 Qd7–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>2...Bxb8 3.Nxd4+ Kc4 4.Nxe3</u>+ </b><b><span style="font-size: 14pt;">with two lines</span></b></span> <span class="MsoNormal" style="text-align:justify;display:block;">4.Nxc2? Bg3–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><span style="font-size: 14pt;">A)</span><u> 4...Kxd4 5.Nxc2+ Kc3 6.0–0–0</u>! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">6.Ra3+? Kxc2 7.Bh3 Qg5–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>6...Bf4+ 7.Kb1 Bd2 8.e4! Qxd7 9.Na3 Qf7 10.Ka1</u>! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>Try :</b> 10.Nb5+? Kb4 11.Be2 <i>(11.Nd4 Bc3 12.Nc2+ Ka4–+) </i>11...Qb3+ 12.Ka1 Qe3 13.Rb1+ Ka4 14.Bd1+ Ka5–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>10...Qf2</u> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;">10...Qa7 11.Ka2 Qa4 12.Rb1!=</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>11.Nb1</u>+! </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>Try :</b> 11.Rb1? Bc1! 12.Nb5+ Kd2 13.Bc4 Qf6+! 14.Ka2 Qc6! 15.Rb4 Qa8+ 16.Kb3 Qxe4 17.Ka4 Ke1! 18.Nc7 Bd2–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>11...Kb3 12.Bc4</u>+!= </b><b>Positional Draw</b></span> <p class="MsoNormal">12.Nxd2+? Kc2–+ or 12.Rxd2? Qf6–+<br /></p><br /> <span class="MsoNormal" style="text-align:justify;display:block;"><b> </b></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><span style="font-size: 14pt;">B)</span></b> <b><u>4...Qxe3 5.Nxc2 Qg3+ 6.Kd1/d2 Qd6+ 7.Ke1</u></b>! </span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>7.Kc1? Qf4+ 8.Kd1 Qxf1+ 9.Ne1 Qf6–+</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i> </i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>7...Kb3</u></b><u> </u></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>7...Kc3 8.Ne3!=</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>8.Ra6</u></b>! </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b>Try:</b> 8.Bg2? Kxc2 9.Be4+ Kb3 10.Rd1 Qb4+ 11.Kf2 Qf8+ 12.Kg2 <i>(12.Bf3 Bc7 13.e3 Qh6 14.Rd3+ Kb2–+) </i>12...Bc7–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>8...Qxd7 9.Na1+ Kc3</u></b> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>9...Kb2 10.Rb6+ Kxa1 11.Rxb8=</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>9...Kc4 10.e3+ Kc3 11.Ra3+ Kb2 12.Rb3+ Kxa1 13.Rxb8=</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i> </i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>10.Ra3+ Kb2 11.Rb3+ Kc1 12.Rc3+</u></b>! </span> <span class="MsoNormal" style="text-align:justify;display:block;"><i>12.Rd3? Qg4</i>/g7–+</span> <span class="MsoNormal" style="text-align:justify;display:block;"> </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><u>12...Kb1 13.Rb3</u></b>+! </span> <span class="MsoNormal" style="text-align:justify;display:block;"><b><i>Try:</i></b><i> 13.Nb3? Kb2 14.Rd3 Qg4 15.Nd2 Kc2 16.Kf2 Qh4+17.Kg2 Qh2+ 18.Kf3 Qg3+ 19.Ke4 Qe5+ 20.Kf3 Bc7–+</i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i> </i></span> <span class="MsoNormal" style="text-align:justify;display:block;"><i><span> </span></i><b><u>13...Kxa1 14.Rxb8</u></b>= <b>positional draw</b></span></div>