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A577 plies · black to move
Benko Gambit Declined: Sosonko Variation
The Benko Gambit Declined: Sosonko Variation is a chess opening classified under ECO code A57 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 4 moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4. The resulting position leaves black to move.
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Resulting Position
Moves
1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4
Resulting Position (FEN)
rnbqkb1r/p2ppppp/5n2/1ppP4/P1P5/8/1P2PPPP/RNBQKBNR b KQkq - 0 48
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Resulting Position