Rowson write that " in general one would assume that whatever advantage White have would be revealed most clearly in symmetrical positions . " Accordingly , Watson , Suba , Evans , and the eminent player and theorist Aron Nimzowitsch ( 1886 – 1935 ) have all argued that it is in Black 's interest to avoid symmetry . Nonetheless , even symmetrical opening lines sometimes illustrate the tenuous nature of White 's advantage , in several respects .