National Master Julian Proleiko deeply explores the Ragozin variation of the Queen's Gambit and Nimzo-Indian. See the old ways and modern styles of Black achieving equality with the Ragozin.
2017.09.25
Osvaldo Manuel Bazan vs Robert James Fischer, Mar del Plata (1960): D38 Queen's Gambit Declined, Ragozin variation
http://www.chessgames.com/perl/chessgame?gid=1044507
Fridrik Olafsson vs Robert James Fischer, Portoroz Interzonal (1958): D38 Queen's Gambit Declined, Ragozin variation
http://www.chessgames.com/perl/chessgame?gid=1044472
Viktor Laznicka vs Shakhriyar Mamedyarov, World Cup (2009): D38 Queen's Gambit Declined, Ragozin variation
http://www.chessgames.com/perl/chessgame?gid=1565540
Hikaru Nakamura vs Shakhriyar Mamedyarov, Tal Memorial (2013): D38 Queen's Gambit Declined, Ragozin variation
http://www.chessgames.com/perl/chessgame?gid=1721323
Levon Aronian vs Wesley So, Sinquefield Cup (2017): D38 Queen's Gambit Declined, Ragozin variation
http://www.chessgames.com/perl/chessgame?gid=1883706