Ruy Lopez with 3a6 and 4Bc5 - Complete Repertoire for Black

In the introduction to the current database, GM Mihail Marin writes:\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\r\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\n\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"When talking about developing the bishop on c5, the modern (or Modern Chess) reader may first think of the Neo-Arkhangelsk system, while I am still nostalgic about the classical Arkhangelsk.\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\r\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\nThere is a third possibility, though: Black can deviate from these by developing his knight to e7. This has been first played in the \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'30s but started its modern trend with two games played by Mihail Rodin in the first decade of the third Millenium.\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\r\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\nOne typical aspect is that in the beginning engines seem to be very critical about this setup, but after the game advances a bit they start approving Black\\\\\\\\\\\\\\

Bologan's Ruy Lopez for Black: How to Play for a Win against the Spanish Opening: Bologan, Victor: 9789056916077: : Books

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Chess openings - Ruy Lopez open varaiant — svarogbg on Scorum

Chess Openings For Black Explained A Complete Repertoire PDF, PDF, Chess

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In the Ruy Lopez opening, are 4. Ba4 and 4. Bxc6 the only viable moves for the bishop after 3. … a6? - Quora

Chess Openings For Black Explained A Complete Repertoire PDF, PDF, Chess