What does the phrase sporting proposition most closely mean as it is used in paragraph 95?

I'm sorry, you will need to provide the necessary text from "paragraph 95". My text does not contain paragraph numbers.

“Simply this: hunting had ceased to be what you call ‘a sporting proposition.’ It had become too easy. I always got my quarry.27Always. There is no greater bore than perfection.”

The general lit a fresh cigarette.

“No animal had a chance with me any more. That is no boast; it is a mathematical certainty. The animal had nothing but his legs and his instinct. Instinct is no match for reason. When I thought of this it was a tragic moment for me, I can tell you.”

Rainsford leaned across the table, absorbed in what his host was saying.

“It came to me as an inspiration what I must do,” the general went on.