(also, see https://www.youtube.com/watch?v=0HPDAFqN74A : when challenging the kendō 8 dan exam the former all-Japan champion [at 3 dan] has trouble, because at 3 dan playing to win was sufficient, but for 8 dan it's necessary to be a maestro: a scrub who wins)
[pedantry: that's to first order, what 8 dan aims for is more subtle than that, but it'll do for the purposes of TFA]
(also, see https://www.youtube.com/watch?v=0HPDAFqN74A : when challenging the kendō 8 dan exam the former all-Japan champion [at 3 dan] has trouble, because at 3 dan playing to win was sufficient, but for 8 dan it's necessary to be a maestro: a scrub who wins)
[pedantry: that's to first order, what 8 dan aims for is more subtle than that, but it'll do for the purposes of TFA]