<div class='user_solution'><b>1.e8Q+! </b>[1.Rxe5? Qe8! 2.Rf5+ Ke6 3.Re5+ Kd6 4.Rd5+ Kc6–+] <b>1...Qxe8 </b>[1...Kxe8 2.Rxe5+=] <b>2.Nxe5+ Kf8 3.Kh6! </b>zz <b>3...Kg8 </b>[3...Bf7 4.Ng6+=] <b>4.Rg3+ Kh8 5.Re3! </b>zz, switchback [5.Rg5? Bf7!–+] <b>a) 5...Bf7 6.Ng6+ Bxg6 7.Rxe8+ draw, b) 5...Qc8 </b> 5...Qe6+ or Qf8+ 6.Kxh5= as main line] <b>6.Kxh5 </b>[6.Rf3? Qe6+!–+] <b>6...Qf5+ 7.Kh4 Qf2+ </b>[7...Qf4+ 8.Ng4=] <b>8.Rg3 b1) Qd4+ </b>(or Qf4+) <b>9.Ng4 draw, b2) 8...Qf6+ 9.Rg5 draw, b3) 8...Qh2+ 9.Kg4 draw.</b> <div><br /></div><div> Meredith. Zugzwangs. Switchback.</div><br /></div>