brilliancy

noun3

1. •
   A shining quality; brilliance.

   • The beauty and brilliancy of this insect are indescribable, and none but a naturalist can understand the intense excitement I experienced when I at length captured it. — 1869
2. •
   An act of being brilliant.

   • His brilliancy lay in combining old concepts from far-flung fields into a new idea.
3. •
   A spectacular and beautiful game of chess, generally featuring sacrificial attacks and unexpected moves.