We list the main ECO openings alphabetically showing the ECO code, the opening name and the number of variations available under the opening.
A00 Ware (Meadow Hay) Opening a4
A01 Nimzovich-Larsen attack b3
A00 Polish (Sokolsky) opening b4
A00 Saragossa Opening c3
A10 English Opening c4
A00 Mieses Opening d3
A40 Queen's pawn d4
A00 Van't Kruijs Opening e3
B00 King's pawn Opening e4
A00 Gedult's Opening f3
A02 Bird's Opening f4
A00 Benko's Opening g3
A00 Grob's attack g4
A00 Clemenz (Mead's, Basman's or de Klerk's) Opening h3
A00 Anti-Borg (Desprez) Opening h4
A00 Durkin's attack Na3
A00 Dunst (Sleipner, Heinrichsen) Opening Nc3
A04 Reti Opening Nf3
A00 Amar (Paris) Opening Nh3
Opening Lines
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A00 Anderssen's Opening a3A00 Ware (Meadow Hay) Opening a4
A01 Nimzovich-Larsen attack b3
A00 Polish (Sokolsky) opening b4
A00 Saragossa Opening c3
A10 English Opening c4
A00 Mieses Opening d3
A40 Queen's pawn d4
A00 Van't Kruijs Opening e3
B00 King's pawn Opening e4
A00 Gedult's Opening f3
A02 Bird's Opening f4
A00 Benko's Opening g3
A00 Grob's attack g4
A00 Clemenz (Mead's, Basman's or de Klerk's) Opening h3
A00 Anti-Borg (Desprez) Opening h4
A00 Durkin's attack Na3
A00 Dunst (Sleipner, Heinrichsen) Opening Nc3
A04 Reti Opening Nf3
A00 Amar (Paris) Opening Nh3