1997, 111 Seiten, kartoniert, englisch Theoretical innovation of positional play and strategy is the main subject of this book. The studious reader will become acquainted with the abstract principles of medium- and long-term planning. Book one presents the basics of positional play and different theories on strategy. Book two reviews the ideas of Euwe´s and Nimzowitsch´s predecessors. A scholarly reader will be fascinated by the historical development of strategic conceptions. Book three displays the origin of planning in chess. Important texts of Philidor are presented and discussed. The finale is a comparison of the roots with Nimzowitsch´s views.