B51

Sicilian Defense: Moscow Variation

Key moves: 1.e4 c5 2.Nf3 d6

This move order in the Sicilian with 2...d6 can lead to many major variations including the Najdorf, Dragon, and Classical. It's the backbone of competitive chess openings.

History & Notable Players

The 2...d6 Sicilian systems have dominated top-level chess since the mid-20th century.