Ban goc (Tiếng Anh)

TRANSLATOR’S PREFACE As the first edition of Edward Lasker’s Chess Strategy was exhausted within a comparatively short time of its appearance, the author set himself the task of altering and improving the work to such an extent that it became to all intents and purposes a new book. I had the privilege of co-operating with him to a slight degree on that second edition, and was in consequence able to appreciate the tremendous amount of work he voluntarily took upon himself to do; I say vo