In a large bowl mix together the lettuce, beef, beans, olives, cheese, onion, cilantro, chiles, tomatoes, and chips. Toss to combine.
2 large romaine hearts, 16 ounces black beans, 5 ounces sliced black olives, 1 cup shredded Mexican blend cheese, 1 red onion, ¼ cup chopped fresh cilantro, 4 ounces chopped green chiles, 1 pint grape tomatoes, 5 ounces nacho cheese chips