Grandmaster Benjamin Bok teaches a chess class on a topic of his choice.
2023.09.05
Benjamin Bok vs Dariusz Swiercz, Summer Chess Classic (2023): E06 Catalan, closed, 5.Nf3
https://www.chessgames.com/perl/chessgame?gid=2558990
Yasser Quesada vs. Benjamin Bok, 2023: C77 Ruy Lopez, Anderssen variation
https://www.365chess.com/game.php?back=1&gid=4409772