411 REFERENCE · Wiktionary
Hippopotamus Defence
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en hippo
Noun
Hippopotamus Defence
en chess A defensive opening in which a player places pawns on b6, d6, e6, and g6, brings out the knights and fianchettoes the bishops (on b7 and g7).
en Chess openings