the most dangerous game near the end with what words does zaroff congratulate rainsford

"The general sucked in his breath and smiled. "I congratulate you," he said. "You have won the game."

Rainsford did not smile. "I am still a beast at bay," he said, in a low, hoarse voice. "Get ready, General Zaroff." The general made one of his deepest bows. "I see," he said. "Splendid! One of us is to furnish a repast for the hounds. The other will sleep in this very excellent bed. On guard, Rainsford." . . . He had never slept in a better bed, Rainsford decided."

According to zaroff, what was the most dangerous game?