Queen's Pawn Game: Accelerated London System, Steinitz Countergambit

1.d4 d5 2.Bf4 c5

ECO D00

The Queen's Pawn Game: Accelerated London System, Steinitz Countergambit is a chess opening line in the Queen's Pawn Game complex, reached after 1.d4 d5 2.Bf4 c5.

It is catalogued under code D00 in the Encyclopaedia of Chess Openings (ECO).

The defining move c5 is chosen by Black on move 2.

2 named continuations branch from this position, including the Morris Countergambit and the Morris Countergambit Accepted.

Named variations

• Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit — ECO D00
• Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted — ECO D00

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.