Football Tactics, 4, Collisions with opponent teams

In the previous books (Football tactics 1, 2, and 3), the theme was how to construct what a team should do. In these books, no opponent team was considered. In this book, discussed is a theory of the football tactics to achieve a goal of a game (win or draw). For this aim, the main subject in this book is `collisions with other teams.' Collisions in football are described and discussed. In this book, it is assumed that there is no difference in abilities of the players. 

Football tactics, 3, Formations

The purpose of this book is discussions on selecting a formation at midfield. Properties of 36 formations are overview. These 36 formations are derived from 3 and 4 DF players and 3 and 4 layers.