1.Bd6+ Bf4 2.Bxf4+ [2.Rd1? Rh1+ 3.Ke2 Rh2+ 4.Kd3 Bxd6= ] 2...Kxf4 3.0-0-0! Kxe4 [3...Rxh3 4.Kb2! (4.Kc2? Kxe4= ) 4...Kxe4 5.Ka3 Rh8 6.b4 Ra8+ 7.Kb3 Rb8 8.Rd7 Ke5 9.Kc4 Rc8+ 10.Kb5 Rb8+ 11.Ka5 Ra8+ 12.Kb6 Rb8+ 13.Rb7+- ] 4.Rd6! zz (kae move) [Thematic try 4.Rd8!? Rxh3 5.Kb2 Rh7! 6.Ka3 Ra7+ 7.Kb4 Rb7+ 8.Ka4 Ra7+ 9.Kb5 Rb7+ positional draw(impossible Rb6+-); 4.Rd7? Rxh3 5.Kb2 Rh8= ] 4...Rxh3 main B [main A 4...Ke5 5.Rd3! zz 5...Ke4 6.Rc3! Ke5 7.Rc5+ Kd6 8.Rh5+- ] 5.Kb2! Rh8 main B1 [5...Ke5 main B2 6.Rg6!! (Thematic try 6.Ra6? Kd5 7.Ka3 Kc5 8.Ka4 Rh4+ 9.Ka5 Rb4 and draws, because impossible Rg5+) 6...Kd5 7.Ka3 Kc5 (7...Rh4 8.b4! Rh1 9.Ka4 Ra1+ 10.Kb5 Ra8 11.Ra6+- ) 8.Ka4 Rh4+ (8...Rh8 9.b4+ Kc4 10.b5 Ra8+ 11.Ra6+- ) 9.Ka5 Rb4 10.Rg5++- ] 6.Ka3 Ra8+ 7.Kb4 Rb8+ 8.Kc4 Rc8+ 9.Kb5 Rb8+ 10.Rb6 wins owning the move 4.Rd6!!.