The Hippopotamus system of defence topmaterial se and teaches at a

se and teaches at a school in the Stockholm area

Foreword by Sune Berg Hansen

And he not only shows how Black fends off White's attempted attacks

We invite the reader to get acquainted with this wounded but valiant warrior

Between 1984 and 1990 they contested five long matches for the World Championship

The Hippopotamus system of defence topmaterial se and teaches at aWhat is the Hippopotamus system? The idea is that at the start of the game, Black develops within his own first three ranks. He creates a solid, flexible and hopefully stable position and waits for the action. Then, at the right moment, he will strike back! The Hippopotamus was named by the eccentric English amateur player JC Thompson, back in the 1950s. That name seems as good as any. If the conditions are right, Black will emerge from the swamp of