The Steinitz Defense Deferred

The Steinitz Defence Deferred is an interesting and still relatively unexplored system against the Ruy Lopez (3.Bb5). Apparently passive, yet

Marshall Gambit - Playing Against the Ruy Lopez - Chessable Blog

How to play against the Steinitz Deferred?

Chess Puzzles from the Ruy Lopez, Steinitz Defense Deferred (ECO C79).

Bc4 Against the Open Games

Slay the Spanish! (Everyman Chess) by Taylor, Timothy

Chessable - Where Science Meets Chess Chess books, Chess opening moves, Ruy lopez

Chess Stars The Caissa Kid

Ruy Lopez - Spanish Opening (Theory, Variations, Lines, Strategy) - PPQTY

Beating The Ruy Lopez