This book is a comprehensive guide to the two-move chess problem that will delight chess lovers. Extensively illustrated. Contents Include: Introduction, Definitions, The Key, Themes. Based on Black Defence, Themes. Based on Black Mistakes, Mating Strategy, Combination Themes, Changed and Added Mates, Construction, Composing, Solving and Analysing, New Developments, Index of Names, General Index. This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.