Description:The Dutch Defence has a well-deserved reputation for being an uncompromising and aggressive opening; it is used by attack-minded players who are determined to win. The Leningrad system is one of the most popular and dynamic variations of the Dutch, and is a particular favourite of the younger generation of Russian and former Soviet Grandmasters. Joan Ehlvest, one of the greatest modern exponents, provides a clear explanation of the key ideas of the Leningrad variation, concentrating on dynamic new ideas.