<div class='user_solution'><b><span style="font-size: 14pt; font-family: 'FigurineCB AriesSP';">1.Ra7+ Kb8 2.Rb7+ </span></b><span style="font-size: 14pt; font-family: 'FigurineCB AriesSP';">switchback <b>2...Kc8 3.Rc7+ Kd8 4.Bf6+ Ne7+ 5.Bxe7+ </b>[5.Rxe7? Qh1+ 6.Kb6 c1Q 7.Rxf7+ Ke8 8.Re7+ Kf8 9.h8Q+ Qxh8–+] <b>5...Ke8 6.Nd5 </b>with mate threat <b>6...Qh6+ </b>[6...Qh1 7.Rc8+=] <b>7.Nf6+ Qxf6+ 8.Bxf6 </b>switchback <b>8...c1Q+ 9.Kb7 </b>[9.Kb6? Qe3+–+] <b>9...Qb1+ </b>[9...Qh1+ 10.Ka7= as main line] <b>10.Ka7! </b>[10.Ka8? Qxh7–+] <b>10...Qa2+ 11.Kb8! </b>[11.Kb7? Qb3+ 12.Ka7 Qe3+–+] <b>11...Qb1+ </b>[11...Qb3+ 12.Rb7! Qg3+ 13.Rc7 Qh2 14.h8Q+ Nxh8 15.Bxh8 Kd8 16.Bf6+=] <b>12.Ka7 </b>[12.Rb7? Qxh7–+] <b>12...Qxh7 13.Re7+ Kf8 14.Rb7! </b>zz, switchback <b>14...Kg8 </b>[14...Ke8 15.Re7+ Kf8 16.Rb7= zz] <b>15.Rb8+ Nd8+ 16.Kb6! Qb1+ 17.Kc7 draw</b>, for example 17.- Qc2+ 18.Kxd8 Qc6 19.Ke7+ = [17.Ka7? Qa2+ 18.Kb6 Qe6+–+] <b> </b></span><div><font face="FigurineCB AriesSP"><span style="font-size: 18.6667px;"><b><br /></b></span></font><div><span style="font-family: 'FigurineCB AriesSP'; font-size: 18.6667px;">Meredith. Switchbacks. Queen phoenix. Reciprocal zugzwangs.</span></div><br /></div><br /></div>