<div class='user_solution'><p><strong>1.Rg6+!</strong> (<u>Thematic try: 1.Rh6+? R5d6</u> (same result after 1...R7d6 2.Rxd6+ Rxd6 etc ) <u>2.Rxd6+ Rxd6! 3.Rg4 Rd8+ 4.Ka7 Rd7+! 5.Ka8!</u> <u>Kd5! 6.Kb8 Rf7(h7) 7.Rg1 Rf2(h2) 8.Rd1+ Ke5(e6) 9.Re1 Rc2! 10.Kb7</u> <u>Rc3! 11.Kb6 Kd5! 12.Rd1+ Rd3 13.Re1 Kc4 14.Kc6 Kc3 15.Re2</u> (15.Kc5 Kd2 -+) <u>15...Rd2 16.Re1 Rd8! 17.Rh1 Kd2 18.Rh3 Rd3</u> -+)  <strong>1...R7d6(R5d6)</strong> <strong>2.Rxd6+ Rxd6 3.Rh4 Rd8+</strong> (3...Kd5 4.Kc7(b7) =) <strong>4.Ka7 Rd7+! 5.Ka8!! </strong>(<u>Thematic try: 5.Kb8? Kd5 zz,wtm 6.Kc8 Ra7!</u> (not 6...Rg7? 7.Rh1! Rg3 8.Rd1+ Ke5 9.Re1=) <u>7.Kd8 Ra3 8.Rh3 Kc4</u> <u>9.Ke7 </u>(9.Kc7 Ra6=) <u>9...Ra6 10.Rh4 Kd3</u> -+; 5.Ka6? Rd3 6.Rh6+ Kc5 7.Rh3 Rb3 -+) <strong>5...Kd5 6.Kb8!</strong> zz,btm  <strong>6...Rg7 7.Rh1!</strong> (7.Rh2? Rg3 8.Rd2+ Ke5 9.Re2 Kf5 10.Rf2+ Rf3 -+) <strong>7...Rg3</strong> (7...Kc4 8.Rd1 Kc3 9.Rd4=) <strong>8.Rd1+ Kc5!</strong> (8...Ke5 9.Re1=; 8...Kc4 9.Rd4+ =) <strong>9.Rc1+ </strong>with  <strong>A) 9...Kd6</strong> <strong>10.Rd1+ Ke6 11.Re1</strong>, draw;</p><p><strong>B)  9...Kb4 10.Kc7! Rxe3 11.Kd6,</strong> draw.</p></div>