While admitting that he and his teammates let their level drop as the match went on, Sanchez is happy with the overall performance of the side.
"Maybe we relaxed a bit too early, although we never gave up and kept attacking," he told FIFA.com. "We gave a 100% in hot weather, and the prize is a satisfying victory. I want to dedicate it to the people who came here to support us."
Chile's World Cup campaign resumes on Wednesday when they play reigning champions Spain.