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A57

Mutkin Countergambit, Benko Gambit

1. d4 Nf6 2. c4 c5 3. d5 b5 4. g4

Opening moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. g4. This position is classified under ECO code A57.

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