ECO C23 Openings

Anderssen Gambit

Thorold Gambit

Classical Variation, Bishop; Boi Variation

MacDonnell Gambit, Bishop

Labourdonnais-Denker Gambit, Bishop

McDonnell Double Gambit, Bishop

Philidor Variation, Bishop

Lewis Counter-Gambit, Bishop

Lewis Countergambit, Bishop

Walker Variation, Bishop

Lewis Gambit, Bishop

Stein Gambit, Bishop

Lopez Variation, Bishop

Lopez Gambit, Bishop

Khan Gambit, Bishop

King's Gambit Reversed, Bishop

Calabrese Counter-Gambit

Kreijcik Gambit, Bishop

Greco Gambit, Bishop

Horwitz Gambit, Bishop

Blanel Gambit, Bishop

Paschmann Gambit, Bishop

Meitner-Mieses Gambit, Vienna

Bronstein Gambit, Vienna