Benoni Defense:Czech Benoni Defense

It is reached after 6 moves: 1. d4 Nf6 2. c4 c5 3. d5 e5. It is a line of the Benoni Defense.

White is to move and has 31 legal moves. Over the next four moves — two for each side — the game can branch into 626,790 different games. Those games reach 215,381 different positions: most positions can be reached in more than one way, 2.9 on average.

The Lichess opening list names 1 further line after this position, such as King's Indian System (4. Nc3 d6 5. e4 g6).

The same moves can be played in 6 different legal orders that all reach this position. For example 1. c4 Nf6 2. d4 c5 3. d5 e5, which starts as the English Opening.