Queen's pawn, Mason variation, Steinitz counter-gambit
1. d4 d5 2. Bf4 c5
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AllPlaying the Queen's pawn, Mason variation, Steinitz counter-gambit
The Mason Variation – Steinitz Counter-Gambit arises after 1.d4 d5 2.Bf4 c5. ECO code: D00.
Black immediately challenges d4 with ...c5. After 3.e3 or 3.dxc5, the position can become tactical. The counter-gambit disrupts the typical London System structure and requires White to adapt their plans.