National Master Caleb Denby continues his series on the f3 Variation of the Nimzo-Indian. In part 4, learn about the lines with 4…O-O.
2020.11.16
Shakhriyar Mamedyarov vs Sergey A Fedorchuk, Villarrobledo International Rapid Open (2008): E20 Nimzo-Indian, Kmoch variation
https://www.chessgames.com/perl/chessgame?gid=1501593
Gawain Jones vs Lawrence Trent, British Championship (2009): E20 Nimzo-Indian, Kmoch variation
https://www.chessgames.com/perl/chessgame?gid=1552753
Wesley So vs Daniel Naroditsky, US Championship (2015): E20 Nimzo-Indian, Kmoch variation
https://www.chessgames.com/perl/chessgame?gid=1788931

![This Solid Opening Wins in Only 8 Moves [Even Against 2000 ELO]](https://chessterra.com/wp-content/uploads/2025/12/AbPh9jPg4JI-300x169.jpg)

