Comprises an e-book in pdf format plus a chess database file.

A unique repertoire for the busy chess player as White and Black who simply hasn't the time to study openings.

Done in the exclusive Improve Your Chess Action Book formula, The B-Formula gives a complete interactive learning course in real time...plus a comprehensive PDF E-Book as reference material.

The author is one of the leading specialists in repertoire books, Andrew Martin, International Master and holder of the world' record for a simultaneous display.