To submit requests for assistance, or provide feedback regarding accessibility, please contact support@masterclass.com.

There are few more complex or studied chess openings than the Sicilian Defense. Known since the sixteenth century, it is now recognized as black’s most popular and best-scoring response to white playing 1.e4. But don’t let the word “defense” fool you—the Sicilian is an aggressive, complex opening with many variations, and in the modern era has been a staple of many grandmasters’ repertoires.