Bois employs the metaphor of chess, arguing that the game represents the artists’ exchange as “a competitive rivalry and a complex temporality” that can be viewed both as a linear process and a simultaneous structure.
As per wikiwand, it has this meaning - https://www.wikiwand.com/en/Temporality
But I am not able to tie the sentence with this meaning
Entire paragraph - Matisse and Picasso; Picasso and Matisse. Throughout the twentieth century, this pairing has been touted as the quintessential artistic rivalry. In Matisse and Picasso, Yve-Alain Bois follows Hubert Damisch in proposing that the interaction between Picasso and Matisse should be seen as a dynamic game rather than a static conflict of artistic polarities. Bois employs the metaphor of chess, arguing that the game represents the artists’ exchange as “a competitive rivalry and a complex temporality” that can be viewed both as a linear process and a simultaneous structure."