<div class='user_solution'><b>1.Rb1+ d1Q+ 2.Rxd1+ Bxd1+ 3.Kb4! </b>[3.Ka3? Kg2 4.Rd8 Bf3 5.Kb3 Kg3 6.Rc8 Nd5! 7.Rc5 Nf4! 8.Ka2 Bb2! 9.Rg5+ Kh4 10.Rc5 Bg4 11.Rc7 Bc1–+] <b>a) 3...Kg2 </b>[3...Kg1 4.Rf5 Bb2 5.Ra5=] <b>4.Rd8 </b>[4.Rf5? Bb2–+] <b>4...Be2 </b>[4...Bg4 5.Rd2+ Kf3 6.Ra2=] <b>5.Rd2 </b>[5.Kb3? Bg4 6.Rd2+ Kf1 7.Rh2 Kg1 8.Rd2 Nb5 9.c4 Nd4+ 10.Kb4 Bf3 11.c5 Nc6+ 12.Kc4 Bf6–+] <b>5...Kf3 </b>[5...Kf1 6.Ra2 Na6+ 7.Kb3 Nc5+ 8.Kc2 Bd3+ 9.Kd2 Bb1 10.Ra8! Bb2 <i>(10...Nb3+ 11.Kd1 Bxc3 12.Ra3=) </i>11.Rb8 Ne4+ 12.Kd1 Nxc3+ 13.Kd2 Ba1 14.Rb3=] <b>6.Kb3 Ne6 </b>[6...Nb5 7.Ra2 Bxc3 8.Rxe2 Kxe2 9.Kc4=] <b>7.Kc2! </b>[7.Ra2? Nc5+ 8.Kc2 Bd3+ 9.Kd2 Bb1 10.Ra8 Nb3+ 11.Kd1 Ke3–+] <b>7...Kf2 </b>[7...Nf4 8.Rd8=] <b>8.Rd7! </b>[8.Rd5? Ke1 9.Ra5 Bd1+ 10.Kd3 Nf4+ 11.Kc4 Bb2–+] <b>8...Ke1 </b>[8...Nc5 9.Rc7 Ne4 10.Ra7 Bxc3 11.Re7=] <b>9.Rd5! </b>[9.Re7? Bg4 10.Ra7 Bd1+ 11.Kd3 Bb2–+] <b>9...Nf4 </b>[9...Nc7 10.Ra5 Bd1+ 11.Kb1 Bxc3 12.Rc5=] <b>10.Re5! draw</b>, for example 10.- Kf2 11.Ra5 =, <b>b) 3...Nd5+ 4.Kc4 Nxc3</b> [4...Nb6+ 5.Kd3 Kg2 6.Rb8 Nd5 7.Rb1 Be2+ 8.Kd4=] <b>5.Ra8 Bb2 6.Rd8!</b> tempo [6.Rb8? Na4!–+ ] <b>6...Ba1 7.Ra8 Bb2 8.Rd8 Ba4</b> [8...Kg1 9.Rb8 Ba1 10.Ra8=] <b>9.Kb4</b> [9.Ra8? Bc6! 10.Rc8 Bd5+–+, 9.Rd2? Nd1–+]<b> 9...Bc2 10.Rd2 draw,</b> for example 10.- Bf5 11.Rxb2 =. <div><br /></div><div>Meredith. Precise manoeuvres of white rook. Material disadvantage is dynamically balanced by blocked black bishop in the corner. More various draws.</div><br /></div>