Scandinavian Defense:Icelandic-Palme Gambit

It is reached after 6 moves: 1. e4 d5 2. exd5 Nf6 3. c4 e6. It is a line of the Scandinavian Defense.

White is to move and has 30 legal moves. Over the next four moves — two for each side — the game can branch into 1,034,481 different games. Those games reach 354,105 different positions: most positions can be reached in more than one way, 2.9 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 10 different legal orders that all reach this position. For example 1. c4 d5 2. e4 Nf6 3. exd5 e6, which starts as the English Opening.