[Part 4: 4. Bxc6] Learn the Schliemann Defense: Fight the Ruy Lopez as black!

Apologies for the audio being a little funny in this one... Hopefully it will improve by the next one... Here is the study for the Schliemann: https://lichess.org/study/b1MNMtQ5 In this part we will review the interesting 4.Bxc6 known as the exchange variation