Hansen: The Nimzo Indian 4.e3 improvers the Petroff was opening that

the Petroff was opening that was favoured by a few top Grandmasters

the authors dissect unconventional continuations that defy human intuition

This emphasizes the fundamental importance of having a clear understanding of how to build up and execute an attack

Jeremy Silman

d4 has a similar profile: variations that are straightforward and easy to remember

Hansen: The Nimzo Indian 4.e3 improvers the Petroff was opening thatComprehensive coverage of the long established main line of the Nimzo The reprint of the 2002 classic! Ever since Nimzowitsch introduced his flexible, dynamic defence to the queen's pawn, debate has raged over White's best reply. Many variations have been in and out of fashion, but one line in particular has proved an enduring weapon the sound and solid 4 e3 line, known as the Rubinstein Variation. The 4 e3 Nimzo is extraordinarily rich in strategy.