International Grandmaster József Pintér is now the leading theoretician in Hungary. He was Hungarian Champion in 1978 and 1979. He played three times in the Interzonal Final.In a game of his against Kasparov, even the then active world champion had to struggle hard to achieve a draw. He is the captain of the Hungarian Olympic Chess Team. The leading teacher of the Maróczy Chess School, he has educated a large number of young talents.In this book, he deals with one of the most popular openings of today, The Semi-Tarrasch Defence. Within the framework of 64 games (divided over two volumes), he surveys the whole opening, examining some deviations very profoundly, spicing them with not only variations but also with textual explanations.He is dealing at great length with the subject of 'isolated pawn', which plays an important part in this opening, quoting Dr Siegbert Tarrasch words: "Whoever is afraid of playing with an isolated pawn should give up chess."This is an essential handbook for all those who want to gain insight into the mysteries of this very interesting opening.