The Dutch Defence is one of the most ambitious and most underrated replies to 1.d4. The Dutch Powerpook is based on 35,000 selected games from the Mega Database 2016 as well as 20,000 high-class engine games from the machine room of playchess.com. Here you find the complete statistic evaluation of all Dutch systems, from the various versions of the Classical Dutch (including the Stonewall) to the modern Leningrad Variation.