What character trait that helps Rainsford win the game in most dangerous?

The character trait that helps Rainsford win the game in "The Most Dangerous Game" is his intelligence. Rainsford is a highly intelligent and resourceful man, and he uses his intelligence to outsmart General Zaroff. For example, Rainsford uses his knowledge of the jungle to create traps for Zaroff, and he also uses his knowledge of psychology to manipulate Zaroff's emotions. Rainsford's intelligence is ultimately the key to his victory over Zaroff.