Zenon Franco guides readers through 50 top-level games, challenges them to guess key moves correctly, and poses questions at critical moments. Points are awarded for good answers, and at the end of each game, a score-chart rates the reader"s performance. This material has never appeared in the English language before, and represents the pick of monthly articles that Franco has written for a quarter of a century in Spanish-language magazines, revised and rechecked for this book.