- Learn: Memorize the most popular openings played in professional games. - Browse: Explore 1750+ openings. - Test: Test your memory by going through randomized openings that you've memorized. - Daily Openings: Learn one random opening a day. Learning different opening sequences is critical in improving in chess. Chess Openings is an app that makes it easier for you to memorize all of your favorite openings. Browse through 1700 openings and learn variations of openings that grandmasters use.