It is now seventy years since Nimzowitsch wrote his monumental work iMy Systemi. While it remains a fundamental work on chess strategy, the way chess positions are handled has changed greatly since Nimzowitsch's time - both refinements to existing ideas, and completely new concepts. John Watson's book fulfils the need for a thorough, profound work on the modern handling of chess positions, and how Nimzowitsch's theories - still controversial and revolutionary at the time iMy Systemi was written - have been refined and used alongside classical concepts.br br The first section of the book investigates the development of classical themes, such as pawn majorities, the centre, and structural weaknesses. Watson then moves on to discuss new concepts, including the willingness of modern players to accept backward pawns in return for dynamic play, the idea of a good 'bad' bishop, knights finding useful roles at the edge of the board and the exchange sacrifice ideas that became prevalent with th