The Hippopotamus Defense is a chess opening classified under ECO code B00 in the Semi-Open Games family, where Black responds to 1.e4 with something other than 1...e5, including the Sicilian Defense, Caro-Kann, and Pirc. It is reached after 1 move: 1. e4 Nh6. The resulting position leaves white to move.
Resulting Position
1. e4 Nh6
rnbqkb1r/pppppppp/7n/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 1 2Resulting Position