Theme: Domination RR vs. RB

1.Rgxg7+! Try : 1.Kb2? Ra8! (no 1...Rd1? 2.Rgxg7+ Kh8 3.Rh7+ Kg8 4.Rdg7+ Kf8 5.Ra7 Kg8 6.Rhg7+ Kh8 7.Rgf7+- similar to solution) 2.Rgxg7+ Kh8 3.Rh7+ Kg8 4.Rdg7+ Kf8 5.Rg3 Rb8+! (5...Ra5? 6.Rf3+ Kg8 7.Rh2+-) 6.Ka3 Ra8+ 7.Kb4 Rb8+ 8.Kc3 Rc8+ 9.Kd2 Ba6!= or 1.Rdxg7+? Kf8!= (1...Kh8? 2.Rg8+-)   1...Kh8 1...Kf8 2.Kb2+-   2.Rh7+! 2.Rgf7? Kg8 3.Kb2 Ra2+! (1) 4.Kxa2 Bc4+= 2.Kb2? Ra8= similar to Try   2...Kg8 3.Rdg7+ Kf8 4.Rc7 Kg8 5.Rhg7+ Kh8 5...Kf8 6.Kb2+-   6.Rgf7 Kg8 7.Kb2 Rd1 7...Ra2+? compare position with (1) 8.Kxa2 Bc4+ 9.Rxc4+-   8.Rg7+ Kh8 9.Rh7+ 9.Rgd7? Rd2+ 10.Kc1 Rg2!=   9...Kg8 10.Rcg7+ 10.Rhd7? Rd2+ 11.Kc1 Rf2!=   10...Kf8 11.Ra7 Kg8 12.Rhg7+ Kh8 13.Rgf7 13.Kc2 or 13...Re1 14.Rgf7   13...Kg8 14.Kc2 Re1 15.Kd2 Rb1 16.Rf4! Bb5 17.Ra5 d5 18.Kc2+- 18.Rg4+? Kf7 19.Kc2   18...Rf1 19.Rg4+-