In the latest of his "New Ideas In..." series, GM Ronen Har-Zvi looks at "The 150 Attack," a sharp line for white against the Pirc that was pioneered in the 1980s by a new generation of English players, such as John Nunn, Nigel Short and Mickey Adams.

The main idea is Be3, Qd2, Bh6, advance the h-pawn and then deliver mate. Naturally, this seemed too good to be true and was quickly dubbed the 150 Attack (a peculiarity of the English grading system, with 150 equating to 1800 Elo), since it seemed that only a club player would use such a blatant attacking system and expect the game to finish in checkmate.

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Secrets of Opening Surprises Volume 10 - Bosch

Secrets of Opening Surprises brings you a wide variety of unusual opening ideas. They may seem outrageous at first sight, but have proven to be perfectly playable. An SOS deviates very early from the regular lines in a mainstream opening, usually even before move six!

That is why it is so easy to actually bring the variation on the board. You will baffle your opponent without having studied large quantities of stuffy theory.

Soft cover, 143 pages.

Price: $20.95 -   Buy now!

Chess Secrets: Great Attackers - Colin Crouch

The chess world has witnessed a great number of wonderfully gifted attacking players, geniuses who have dazzled the chess public with their brilliant masterpieces. Everyone has their own favourites, and in Chess Secrets: Great Attackers, Colin Crouch chooses three of his own: Garry Kasparov, Mikhail Tal and Leonid Stein. World Champions Kasparov and Tal need no introduction, while Stein was a highly creative and intuitive player with the ability to destroy the world's best players with his vicious attacks.

Crouch examines their differing approaches and styles, and highlights some crucial themes, including the idea of controlled risk - in some sacrificial attacks even the greatest players can't always see everything to the end. A study of this book will help you to enhance your skills in one of the most crucial elements of the game.

Soft cover, 269 pages.

Price: $22.95 -   Buy now!

Winning Chess Middlegames: An Essential Guide to Pawn Structures - Ivan Sokolov

Winning Chess Middlegames addresses the often ignored but extremely important topic of pawn structures, divided into four main types: doubled pawns, isolated pawns, hanging pawns and pawn majorities.

With its highly accessible verbal explanations and deep analyses of top-level games, this book helps you to solve the basic problems of the middlegame: space, tension and initiative.

Soft cover, 260 pages.

Price: $28.95 -   Buy now!

Play the Queen's Indian - Greet

The Queen's Indian is a dynamic and sophisticated opening. Black's hypermodern approach of controlling the centre with pieces rather than pawns often leads to complex and intricate positions, ones which are rich in ideas for both sides. Such is the high regard for the Queen's Indian that virtually all the World's top players have utilized it at one time or another.

In this book, Andrew Greet presents a complete repertoire for Black in the Queen's Indian. He reveals his secrets from years of experience in the opening, offers answers for Black against all of White's options, and highlights the key tactical and positional ideas. This book tells you everything you need to know to play the Queen's Indian with condfidence in your own games.

Soft cover, 256 pages.

Price: $22.95 -   Buy now!