Sicilian Defense:Sozin Attack

Named after Veniamin Sozin. White aims the bishop at Black’s king from c4; Bobby Fischer chose it often.

It is reached after 11 moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4. It is a line of the Sicilian Defense.

Black is to move and has 29 legal moves. Over the next four moves — two for each side — the game can branch into 1,995,763 different games. Those games reach 635,226 different positions: most positions can be reached in more than one way, 3.1 on average.

No later position on this line has a name of its own in the Lichess opening list: the names end here.

The same moves can be played in 4,284 different legal orders that all reach this position. For example 1. e4 c5 2. d4 e6 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4, which starts as the Sicilian Defense: Smith-Morra Gambit.