Dutch Defense:Classical Variation

It is reached after 4 moves: 1. d4 f5 2. c4 e6. It is a line of the Dutch Defense.

White is to move and has 30 legal moves. Over the next four moves — two for each side — the game can branch into 809,462 different games. Those games reach 268,714 different positions: most positions can be reached in more than one way, 3 on average.

The Lichess opening list names 3 further lines after this position, such as Bellon Gambit (3. e4) and Rubinstein Variation (3. Nc3).

The same moves can be played in 4 different legal orders that all reach this position. For example 1. c4 f5 2. d4 e6, which starts as the English Opening.