byLev Alburt 300 Most Important Positions & Ideas gives you the maximum results in the minimum amount of time. Each position is distilled from thousands shown to students both in Russia and the US over decades. Each holds something special and important. When you study one of these positions, you can be sure that you are acquiring an important piece of practical chess knowledge. Indeed, the major portion of all practical chess knowledge is represented in this book! It's a small book, but its construction has taken a lifetime. Chess Training Pocket Book will save you years of hit-and-miss reading and sporadic improvement, because it gathers together for you the crucial, game-winning knowledge in one easy-to-carry volume. Not surprisingly, this most time-efficient approach is also the approach that leads to both the deepest understanding and the most enjoyment of chess.