DW Chess Lab 5.1: Bishop's vs 2...Bc5 and rare replies (part 1 of 3)

Personal chess training session 5, part 1 of 3: Bishop's Opening vs 2...Bc5 beyond the prep, and the rare replies 2...d6, c6, f5, Qf6, h6. Ideas from IM Igor Smirnov / Remote Chess Academy, checked with Stockfish.