We know all of you were looking forward to John Hartmann's class about the new Stockfish and How to build a computer, but due to a power shortage, the class needs to be postponed.
GM Sabino Brunello will take a class, same time, 17:00 UK time, with some more material from his course, The Style of the World Champions.
Also, tomorrow, Sam's class, How to learn a new Opening, will be at 17:30 UK time.