Dutch Defence
1...f5: fight for e4 and play on the kingside. You play Black. The Dutch Defence is named after Elias Stein, an 18th-century Dutch player who recommended it. With 1...f5 Black fights for e4 and plays for the kingside. Botvinnik used the Dutch, and the Leningrad Variation was developed by Leningrad players in the 1950s.