Grandelicious

Author of The Magnus Queen's Gambit - a reliable and very easy-to-learn repertoire as Black against 1.d4. Check it out here: https://gingergm.com/library/the_magnus_queens_gambit

Author of The Grand Ruy Lopez - a complete in-depth strategic repertoire for White in the Spanish Opening that will last you a lifetime! https://www.chessable.com/the-grand-ruy-lopez/course/76698/

Author of Lifetime Repertoires: The Classical Slav - a complete repertoire for Black against 1.d4, based on the Slav Defence (1.d4 d5 2.c4 c6). Highly combative while at the same time very solid! https://www.chessable.com/lifetime-repertoires-classical-slav/course/140404/