Tree path 7 levels Queen's Pawn Game › Queen's Gambit › Queen's Gambit Declined › Queen's Knight Variation › Semi-Slav Defense: Accelerated Move Order › Semi-Slav Defense: Marshall Gambit › Forgotten Variation
D31

Semi-Slav Defense: Marshall Gambit, Forgotten Variation

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Overview

Semi-Slav Defense: Marshall Gambit, Forgotten Variation is a gambit, classified under ECO code D31 within the Closed & Semi-Closed Games family. As with all gambits, one side sacrifices material early — usually a pawn — in exchange for development, open lines, or initiative.

The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.

It begins with 11 plies and takes 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 to reach the canonical position.

It is a variation of Semi-Slav Defense: Marshall Gambit, which itself descends from the root opening Queen's Pawn Game.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code
D31
Group
Closed & Semi-Closed Games (D)
Plies
11
Parent
Semi-Slav Defense: Marshall Gambit

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