English Orangutan is a chess opening with the ECO code A15. It goes 1. c4 Nf6 2. Nf3 g6 3. b4. White opens with 1. c4 (the English move) and Black answers 1... Nf6. After 5 moves it is Black to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.