E57 ECO index

	GM Petrov’s New Strategies in the Middlegame - Vd15: Isolated Pawn Petrosian, Balashov E57 Nimzo-Indian: 4.e3 - Main line with 8...dxc4 and 9...Bxc4 cxd4
	GM Yermolinsky - What it takes to be a complete 1.d4 player - Nimzo - Vd 1 Yermolinsky, Henrichs, Thompson E57, E54 Nimzo-Indian 4.e3 Main line with 8...dxc4 and 9...Bxc4 cxd4, Nimzo-Indian 4.e3 Gligoric System with 7...dxc4
	GM Misa Pap - Best Championship Matches - 1. 1886 - Steinitz vs. Zukertort Steinitz, Zukertort D11, C47, D10, C67, E57, D26, C49, D35, C65, C25, D60 QGD: Slav Defence, 3.Nf3, Four Knights Game, QGD; Slav Defence, Ruy Lopez: Berlin Defence Open Variation, Nimzo-Indian, QGA