King's Pawn Game: Tortoise Opening

1. e4 e5 2. Bd3

King's Pawn Game: Tortoise Opening is catalogued under ECO code C20. It is reached after 2 moves (3 half-moves): 1. e4 e5 2. Bd3. After the last move it is Black to play. White opens 1. e4. It is a named variation of the King's Pawn Game, which has 38 catalogued lines in total.

Position shown after the last move; Black to play.