<div class="user_solution"><span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.Rh8+! Ke7 2.Rh7</u>+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">2.Bg5+? Kf7 3.Rh7+ Kg8 4.Rh8+ Kxh8 5.d5+ Kg8 6.Qxh1 Qxh1+ 7.Kxg3 Qxd5 8.Bf4 Qd3+ 9.Kh4 Kh7 10.a3 Kg6–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>2...Ke8 3.Rh8+ Kf7 4.Rh7+ Kg8 5.Rh8+ Kxh8 6.d5+ Kg8 7.Qxh1 Qxe3</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7...Qxh1+ 8.Kxg3 Qe1+ 9.Bf2 Qe5+ 10.Rf4 Qxd5 11.a4=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>8.Rg4+ Kf7</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>main</b> <u>8...Kf8 9.Qh2 Kf7</u> <i>(9...a5 10.a4!=) </i><u>10.a4</u>! <i>(10.a3? Kf8! 11.a4 a5 12.d6 Rf3–+) </i><u>10...Kf8 11.a5 Kf7 12.d6</u>= <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>9.Qh2 a5 10.a3</u>!! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">10.a4? Kf8 Zugzwang 11.d6 Rf3–+</span> <span style="text-align:justify;display:block;" class="MsoNormal">10.Qxg3? Qh6#</span> <span style="text-align:justify;display:block;" class="MsoNormal">10.d6? Rf3–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>10...Kf8 11.a4</u> </b>Zugzwang <b><u>11...Ke7</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">11...Kf7 12.d6 Rf3 13.Qa2+!=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>12.Re4</u>+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">12.d6+? Kd7–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>12...Qxe4+ 13.Kxg3</u> </b><b>positional draw </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal">Antecedent configuration: Study of N. Elkies- Shahmat –1999-<b> </b></span> <p class="MsoNormal"><span style="font-size: 10pt; font-family: &quot;FigurineCB AriesSP&quot;;"> </span></p></div>