D55 ECO index

	GM Yermolinsky - What it takes to be a complete 1.d4 player - QGD - Vd7 Yermolinsky, Brownescombe, Shapiro, Formanek, Kolvick D55, D58, D67, D63 QGD; 6.Nf3, QGD; Tartakower, QGD; Orthodox Defence - Bd3 line Capablanca freeing manoeuvre, QGD; Orthodox Defence 7.Rc1
	GM Yermolinsky - What it takes to be a complete 1.d4 player - QGD - Vd1 Yermolinsky, Lobachev, Zamansky, Polovodin D59, D55, D58 QGD; Tartakower, QGD; 6.Nf3, QGD; Tartakower (Tartakower–Makogonov–Bondarevsky) System
	GM Petrov’s Attacking Ideas in the Openings - Video 9: Queen’s Gambit for White Botvinnik, Alatortsev, Pillsbury, Marco D61, D55 QGD: Orthodox Defence - Rubinstein Variation, QGD: 6.Nf3
	GM Joel’s Need to Know Basics - Video 6 Alekine, Yates, Gelfand, Salov, Dautov, Reshevsky, Sveshnikov, D55, A81, E18, B22 Queen's Gambit Declined, Dutch Defence with 2.g3, English: Mikenas-Carls, Sicilian; Alapin's variation (2.c3)
	GM Joel’s Chess Week Recap - Episode 153 Goryachkina, Ju, Carlsen, Kovalev, Firouzja, Caruana, Artemiev, Van Foreest, Mamedyarov, Gordon D00, A07, D55, E71, A13, B90, D38
	GM Joel’s Chess Week Recap - Episode 131 Tomashevsky, Alekseenko, Artemiev, Fedoseev, girya, Pogonina, Nepomniachtchi, Nakamura, Ding, Caruana D78, A34, D55, D37
	Every Russian Schoolboy Knows: Coulda, Shoulda, Woulda - part 1 Pillsbury, Walbrodt, Janowsky, D53, D55 QGD, QGD: 6.Nf3