Woman Grandmaster Sabina Foisor teaches a chess class on preparation.
2023.03.09
Robert Byrne vs Robert James Fischer, Sousse Interzonal (1967): B87 Sicilian, Sozin with …a6 and …b5
https://www.chessgames.com/perl/chessgame?gid=1044626
Evgenij Ermenkov vs Lajos Portisch, EUR-chT (Men) 7th (1980): B90 Sicilian, Najdorf, Lipnitzky attack
https://www.chessgames.com/perl/chessgame?gid=1113876